baber/WOPTO huggingface dataset:
Patent CA-2120569-C (CA)
Title: Boiler system leak detection
Inventor: AVALLONE STANLEY C
IPC: G01M3/04
Filed: 1994-04-05
Granted: 2003-11-04
Abstract: Leakage of water from a boiler water system wherein steam is generated in a boiler from feedwater fed to the boiler, and the concentration of impurities in the boiler water within the boiler is reduced by withdrawing fractions thereof as blowdown while admitting additional feedwater as boiler-water makeup, is determined. The boiler has a concentration cycle value, the concentration cycle value being the average value of the concentration of an inert component in the blowdown at steady state (C F) divided by the concentration of the inert component in the feedwater (C I). The concentration of the inert component in the boiler at steady state varies from a high concentration C H, having a value that is higher than C F, to a low concentration C L, having a value between the (C I) and the (C F), within a time period. The method comprises:   employing as the inert component an inert tracer;   sensing a characteristic of the inert tracer in the boiler at steady state equivalent to its concentration in the boiler water;   converting the sensed characteristic to a value equivalent to the concentration of the inert tracer in the boiler water; and activation of a signal when a variance in the cyclic concentration fluctuation of said inert tracer occurs that is consistent with a leakage of boiler water.
Patent CA-2120835-C (CA)
Inventor: HAWTHORNE VAUGHN TERREY
IPC: B61F5/12
Filed: 1994-04-08
Granted: 1996-09-17
Abstract: Prior art railcar bolsters and friction shoe assemblies were constructed such that the friction shoe was tightly restrained within the friction shoe pocket. The present invention utilizes a friction shoe sled for promoting lateral sliding of the friction shoe assembly within a laterally wider bolster friction shoe pocket. An elastomeric pad countersunk into the floor of the friction shoe pocket and the base of the sled. The sled is fitted underneath thefriction shoe to support the friction shoe biasing spring as well as the friction shoe. The top of the sled has a post attached to it, for insertion into the bottom of the friction shoe biasing spring. The bottom of the sled preferably has the elastomeric pad attached to it, although it can be smoothly machined, so that the bottom surface of the sled slides along the elastomeric pad anchored to the friction shoe pocket floor. The spring sled and the elastomeric pad anchored to the friction shoe pocket floor create a very low coefficient of friction environment for ultimately allowing the friction shoe, the biasing spring, and the sled, to laterally slide or "float" in unison withinthe wider friction shoe pocket. By providing relative lateral movement between the friction shoe and the bolster friction shoe pocket, any laterally directed forces which act upon the railcar and cause lateral acceleration on thecar, can be isolated in order to decrease lateral car instability.
Patent CA-2126855-C (CA)
Title: Power saving apparatus and method of a monitor
Inventor: KIM YONG-HEE
IPC: G06F1/32
Filed: 1993-11-29
Granted: 2000-02-01
Abstract: An apparatus and method for saving power by cutting off the power supplied to a monitor when an input signal does not exist for a given time period. An input signal is checked to see if it is sensed from input means of the monitor.      A power circuit is operated each time the input signal is sensed and simultaneously a time value for performing a power saving mode is set in a reference buffer. The receiving time of the input signal is counted by updating the time value set in the reference buffer each time as interrupt signal is received from a timer, and then the time value of the reference buffer is read. If the input signal is not sensed until a setting time elapses, an operationg voltage of the monitor is cut off by controlling the operation of the power circuit.
Patent CA-2127191-C (CA)
Inventor: SHOULDICE ROBERT B
IPC: B28B11/08
Filed: 1994-06-30
Granted: 1999-11-23
Abstract: An artificial stone having a chiselled, rough-hewn look on the edges, corners and exposed faces of the product, is produced by preparing a concrete block and then fracturing it, preferably along one plane, to produce a somewhat rough face along the fracture. The fractured block is then placed into the upper end of an inclined rotating cylindrical tunnel, the tunnel having at least one and preferably two internal longitudinal ribs to initially lift the block and then produce tumbling as the tunnel rotates, the block gradually moving along the tunnel towards a lower exit end. The multiple impacts and abrasions within the tunnel produce the desired degree of additional texturing and rounding of corners and edges, to provide the desired natural aesthetic appearance.      Preferably, one or both of the angle of the tunnel and the speed of rotation are adjustable, to permit variations and optimization.
Patent CA-2129652-C (CA)
Inventor: PORAT MICHAEL
IPC: A61K31/155
Filed: 1993-02-05
Granted: 1999-05-11
Abstract: Composition lubrifiante prophylactique, dispositifs et procédé servant à utiliser ladite composition pendant les relations sexuelles et comprenant un lubrifiant efficace, ainsi qu'un composé antiseptique efficace pour détruire le virus d'immunodéficience humaine et d'autres virus; ledit composé antiseptique est un spermicide réagissant également avec la muqueuse vaginale, afin de constituer une barrière contre la pénétration des spermatozoïdes dans l'utérus, ladite composition ne présentant pratiquement aucun effet secondaire négatif.
Patent CA-2138081-C (CA)
Title: Evaporative burner fuels and additives therefor
Inventor: JEFFREY GARETH CHARLES
IPC: C10L1/30
Filed: 1994-12-14
Granted: 2005-02-15
Abstract: Hydrocarbonaceous distillate fuel compositions and additive concentrates are described that provide improved performance in evaporative burners. The additive components comprise a mixture formed from at least (a) a cyclopentadienyl manganese districarbonyl compound; (b) a succinic derivative ashless dispersant; (c) an aliphatic dicarboxylic acid having at least 24 carbon atoms in the molecule, the two carboxyl groups being separated from each other by at least 6 carbon atoms; and (d) a metal deactivator of the chelation type. Preferably, the compositions also contain (e) alkoxylated alkylphenol; (f) a demulsifying agent; (g) a tertiary monoamine in which each substituent on the nitrogen atom is a hydrocarbyl group; and (h) liquid inert solvent having a final boiling point no higher than approximately 300°C. The compositions are devoid of any metal-containing additive component other than the cyclopentadienyl manganese tricarbonyl compound.
Patent CA-2144504-C (CA)
Title: Casing centraliser
Inventor: BARRON WILLIAM
IPC: E21B17/10
Filed: 1995-03-13
Granted: 2006-06-06
Abstract: A casing centraliser (10) includes an annular body (12) and a substantially cylindrical bore (16) extending longitudinally through the body (12). A number of blades (14) extend longitudinally along the body (12) and are circumferentially distributed around the body (12) to define a flow path between each adjacent pair of blades (14), Each flow path provides a fluid flow path between longitudinally opposite ends of the centraliser (10) and each blade (14) has a radially outer edge providing a well bore contacting surface.      The cylindrical bore (16) through the body (12) is a clearance fit around casing intended to be centralised by the centraliser (10). The centraliser (10) is typically manufactured from a material which includes zinc and is preferably a zinc alloy.
Patent CA-2145558-C (CA)
Inventor: BETH DAVID E
IPC: B27C9/02
Filed: 1995-03-27
Granted: 1999-04-06
Abstract: A combination woodworking tool is disclosed.  The combination woodworking tool includes a frame having a horizontal bed for supporting workpieces. A rigid column is supported by the frame in proximity to and extends vertically upwardly beyond the horizontal bed. A powerhead is mounted to an upper end of the column in overlying relationship to the horizontal bed, the powerhead being vertically adjustable for movement toward and away from the horizontal bed. The powerhead further includes a motor and spindle which extends below a lower end of the powerhead. The spindle is adapted to interchangeably receive a chuck for use with a drill or a collet for use with a router. The powerhead is adjustably and rotatably mounted relative to the column for positioning the spindle in predetermined vertical, angular or horizontal positions relative to the horizontal bed for vertical, angular or horizontal drilling or routing. In conjunction with the different relative positions of the powerhead, the horizontal bed is also adjustable to provide different woodworking operations. The powerhead is also adapted to be vertically adjusted in proximity  to the horizontal bed while also being rotatably adjusted relative to the column for positioning the spindle in a horizontal and proximate position relative to the horizontal bed for cooperation with a separately mounted lathe tail stock and tool rest in operating the combination woodworking tool as a lathe.
Patent CA-2148961-C (CA)
Inventor: MAK SIOE T
IPC: G01R15/18
Filed: 1995-05-09
Granted: 1999-04-27
Abstract: An interface circuit (10) for use with electronic metering equipment (E) to provide a linear output response to an AC or analog input. An air core transformer (12) has a first coil or winding (12a) connected to a load (L). An AC current ILOAD is produced by the load and is coupled to a secondary coil or winding (12b) of the transformer.  The transformer has an air core rather than a ferromagnetic core so to have no saturable core. Because no load is drawn by transformer coil, the voltage across a terminal of the coil equals the EMF induced in the coil The EMF, in turn, equals the mutual inductance of the coils multiplied by the rate of change of magnetic flux linkages over time. The output from the transformer is applied as an input to an operational-amplifier (16) which has a high input impedance. Further, the amplifier is a low drift amplifier which performs a linear amplification of the input signal provided thereto. In certain embodiments, a pair of similar amplifiers are used and the secondary winding of the transformer is a tapped winding so to accommodate both a low range and a separate high range of inputs. The output from the operational amplifier is supplied to an analog-to-digital converter (18) so a digital output is supplied to the metering equipment. If the tapped coil, dual amplifier arrangement is used, the resolution requirements of the converter are lower than if the single amplifier circuit configuration is used. Use of the interface circuit eliminates the DC component of the sensed voltage and provides a linear response for the metered AC input to the measuring equipment.
Patent CA-2152533-C (CA)
Title: Dispositif de mesure de la quantite de charbon dans un broyeur a boulets
Inventor: FONTANILLE DANIEL
IPC: G01N29/36
Filed: 1995-06-23
Granted: 2000-01-04
Abstract: Dispositif pour la mesure en continu de la quantité de charbon à l'intérieur d'un broyeur à boulets, caractérisé en ce qu'il comprend un émetteur (35) d'une onde, choisie parmi les ondes ultrasonores et électromagnétiques, un récepteur (36) de l'onde, l'émetteur et le récepteur étant disposés de manière que l'onde traverse au moins en partie l'intérieur du broyeur, le récepteur (35) étant associé à un circuit électronique déduisant la quantité de charbon de la comparaison du signal reçu avec des données issues de mesures préalables d'étalonnage.
Patent CA-2160438-C (CA)
Title: Recipient thermoplastique bicouche, son procede de fabrication
Inventor: GUERET JEAN-LOUIS
IPC: B65D1/00
Filed: 1995-10-12
Granted: 1999-07-06
Abstract: L'invention concerne un récipient thermoplastique bicouche, la couche externe comprenant au moins une charge contenant des particules de granulométrie variable et d'un diamètre supérieur à 50 .mu.m. Elle concerne aussi un procédé de fabrication de ce récipient, comportant une étape de coextrusion-soufflage.
Patent CA-2161867-C (CA)
Inventor: DE LA CHAPELLE ALBERT
IPC: C12Q1/683
Filed: 1994-05-02
Granted: 2010-04-06
Abstract: Markers of chromosome 2 are associated with cancer predisposition, as shown by linkage analysis, in a significant fraction of families with a history of colon and other cancers. Tumors from these patients progressed through the same series of accumulated mutations in oncogenes and tumor suppressor genes found in non-familial cases, but showed no losses of heterozygosity for the linked chromosome 2 markers. DNA from the tumors (but not normal tissues) in most familial cases revealed a consistent and distinct abnormality: rearrangemnets in short repeated sequences throughout their genomes. This abnormality suggests that a large number of replication errors had occurred during tumor development. Methods are presented for detecting the presence of the gene which predisposes people to have a colon and other tumors and for utilizing this information for diagnostic, prognostic, and preventive purposes. DNA markers useful for such methods are also described.
Patent CA-2174133-C (CA)
Title: Use of alpha receptor antagonists for the treatment of chronic muscle pain
Inventor: HUBBARD DAVID R JR
IPC: A61K31/475
Filed: 1994-10-14
Granted: 2007-09-18
Abstract: Methods are provided for intramuscular needle diagnosis and treatment of muscle pain that is the result of sympathetically mediated spindle spasm. Two simultaneous needle EMG needle recordings are used to establish the presence of and magnitude of the "trigger points" in painful muscle. The abnormal muscle activity so identified is then treated by blocking the sympathetic activation of the muscle with an alpha receptor antagonist, e.g. phentolamine, phenoxybenzamine and guanethidine.
Patent CA-2174259-C (CA)
Title: Coupling device for drive shafts
Inventor: PIERSON NOWAL
IPC: F16D9/06
Filed: 1996-04-16
Granted: 2000-12-12
Abstract: A device for connecting the ends of two aligned sections of a hollow drive shaftwhich are rotatable about a common axis has first and second coupling members for securing to the ends of the drive shaft sections. At least two shearable bolts or pins connect the coupling members for transmitting torque between the drive shaft sections during operation and are arranged for balanced rotation of the coupling members under high r.p.m. conditions. The bolts, and not the drive shaft, will shear when the coupling members are subjected to a predetermined overload condition. The coupling members also include means for maintaining the shaft sections in axial alignment upon shearing of the bolts, and means for preventing the collapse of the shaft sections by restricting axial movement of the coupling members upon shearing of the bolts.
Patent CA-2177771-C (CA)
Inventor: NEFF DENNIS B
IPC: G01V11/00
Filed: 1996-05-30
Granted: 1999-11-30
Abstract: A method of modeling subsurface reservoir conditions deals with non-uniqueness of seismic reflection signals with respect to reservoir conditions by proposing and then comparing both seismic and lithologic data for forward model sites to select the most likely model for each site. Forward modeling techniques are used to build a synthetic seismic trace catalog, which includes a range of corresponding pseudo-logs for reservoir characteristics that could reasonably exist within a defined region. Then each synthetic seismic trace in the catalog is compared against every real seismic trace, and a number (e.g., 10 to 50) of synthetic traces is selected for association with each real trace that best match the real trace. Finally, the pseudo-logs corresponding to the number of selected synthetic seismic traces for each forward model site are compared to the pseudo-logs selected for adjacent sites to select the most lithologically coherent pseudo-log at each site for use in generating a model display of reservoir characteristics.
Patent CA-2179943-C (CA)
Inventor: PERES MAURICIO
IPC: H04Q11/08
Filed: 1996-06-26
Granted: 2000-07-18
Abstract: A digital switch array, comprises a serial input bus providing a plurality of input streams, each defining a plurality of time division multiplexed input channels, a serial output bus providing a plurality of output streams, each defining a plurality of time division multiplexed output channels, and an array of digital switches arranged in rows and columns. Each row is connected to a respective group of input streams and each column is connected to a respective group of output streams. The digital switches are capable of performing timeslot interchange between any input and any output channel. Each digital switch includes an enabling device for each output timeslot so that when the enabling device is enabled the associated output timeslot is driven, and at least first and second enabling inputs which when simultaneously activated cause the enabling means to become enabled. An array of activation lines are arranged in rows and columns. The respective rows of activation lines are connected to the first enabling inputs of each row of the digital switches and the respective columns of activation lines are connected to the second enabling inputs of each column of the digital switches. A selected row and column of the activation lines can be simultaneously activated so that the enabling device of the digital switch whose first input is connected to the activated row and whose second input is connected to the activated column becomes enabled.
Patent CA-2180936-C (CA)
Title: Dispositif d'affichage cartographique pour vehicules
Inventor: KOYANAGI TAKUO
IPC: G06T15/20
Filed: 1995-11-13
Granted: 2005-04-26
Abstract: Cette invention se rapporte à un système d'affichage cartographique, qui est monté sur un véhicule et dans lequel le circuit de commande divise l'écran d'affichage en plusieurs sections et convertit les données de la vue à vol d'oiseau en données d'images cartographiques pour chaque zone. Ce circuit de commande prépare ensuite des données d'images servant d'informations pour le véhicule et utilisées pour afficher une marque indiquant la position présente du véhicule et sa destination. Lorsque la destination se trouve dans la zone affichée sur l'écran, le circuit de commande prépare les données de marque, de façon à afficher la marque à la position correspondant à la destination. Lorsque la destination se trouve hors de cette zone, le circuit de commande prépare les données de marque, de façon à afficher la marque en une position qui se trouve la plus proche de la destination dans la direction de cette destination. En préparant les données d'images cartographiques et les données d'images servant d'informations pour le véhicule, le circuit de commande affiche ces données d'images sur l'écran et détecte à nouveau la position présente du véhicule. Lorsque la distance que le véhicule a parcourue ne dépasse pas une valeur prescrite, le circuit de commande change la position d'affichage de la marque indiquant la position du véhicule. Lorsque cette distance est plus grande que la valeur prescrite, le circuit de commande change les données d'images cartographiques. Des informations sur les lignes de quadrillage, destinées à permettre l'affichage de vues à vol d'oiseau et de cartes de Mercator, sont stockées à l'avance dans une mémoire de stockage d'informations relatives aux lignes de quadrillage, et le circuit de commande sélectionne parmi ces informations relatives aux lignes de quadrillage celles qui correspondent au mode d'affichage d'images choisi par l'opérateur et superpose ces informations sur une carte routière, lors de l'affichage de cette carte routière.
Patent CA-2185565-C (CA)
Title: Utilisation de l'il-12 et des antagonistes d'il-12 dans le traitement des maladies auto-immunes
Inventor: LEONARD JOHN P
IPC: A61P37/00
Filed: 1995-03-07
Granted: 2009-02-03
Abstract: La présente invention concerne des états justifiant le traitement de maladies auto-immunes par l'administration d'IL-12 ou d'un antagoniste d'IL-12 à un sujet mammifère. Dans certaines réalisations préférées, l'état d'auto-immunité est l'un de ceux qui sont favorisés par l'accroissement des taux d'IFN-.gamma. ou de TNF-.alpha.. Les états justifiant le traitement sont notamment la sclérose en plaques, le lupus érythémateux aigu disséminé, la polyarthrite rhumatoïde, l'inflammation pulmonaire auto-immune, le syndrome de Guillain-Barré, la thyroïdite auto-immune, le diabète sucré insulinodépendant, et l'inflammation chronique auto-immune de l'oeil.
Patent CA-2201377-C (CA)
Inventor: HAFNER DIETRICH
IPC: A61K35/42
Filed: 1995-09-27
Granted: 2008-07-29
Abstract: L'invention concerne de nouvelles compositions permettant de traiter le syndrome de détresse respiratoire du nourrisson et les insuffisances respiratoires aiguës, qui contiennent au moins un glucocorticostéroïde et un surfactant pulmonaire. Ces nouvelles compositions permettent de réduire de manière notable la durée de traitement de ces syndromes et le taux de mortalité qu'ils induisent.
Patent CA-2201725-C (CA)
Inventor: HUNTINGTON JAMES A
IPC: A61K47/10
Filed: 1995-11-01
Granted: 2008-06-03
Abstract: An electrotransport drug-containing composition is provided. The composition includes a drug to be delivered through a body surface (e.g., skin) of a patient, and a permeation enhancer which is solid or semisolid at temperatures typically encountered during storage of pharmaceuticals (e.g., temperatures up to at least about 25 .degree.C). The composition of the invention may be applied from a device (10) suitable for electrotransport delivery. A method for increasing electrotransport agen t delivery rate and reducing body surface resistance relies on applying the composition of the invention to the body surface, and applying an electric current through the composition and the body surface.
Patent CA-2202417-C (CA)
Inventor: KREUZER THOMAS
IPC: B01J21/12
Filed: 1997-04-11
Granted: 2006-08-15
Abstract: The invention relates to a catalyst for purifying the exhaust gases from diesel engines. The catalyst contains a zeolite mixture of several zeolites with different moduli and platinum group metals as well as further metal oxides from the group comprising aluminium silicate, aluminium oxide and titanium oxide, wherein the aluminium silicate has a ratio by weight of silicon dioxide to aluminium oxide of 0.005 to 1 and the platinum group metals are deposited on only the further metal oxides.
Patent CA-2205978-C (CA)
Title: Connector bushing for injection molding manifolds
Inventor: GELLERT JOBST ULRICH
IPC: B29C45/27
Filed: 1997-05-23
Granted: 2005-01-18
Abstract: Multi-cavity injection molding apparatus having several melt distribution manifolds interconnected by elongated connector bushings. Each connector bushing has an outer sleeve which fits over a nonthreaded cylindrical portion of the main body. The main body is made of a material such as steel with sufficient strength that thermal expansion pushes the manifolds into operating positions slightly further apart without damaging the connector bushings. The outer sleeve of each connector bushing is made of a material such as copper having a coefficient of expansion sufficiently greater than the main body whereby thermal expansion results in the connector bushing forming a seal against melt leakage.
Patent CA-2207076-C (CA)
Inventor: SHIOYA HIROYUKI
IPC: G11B11/105
Filed: 1996-10-24
Granted: 2001-02-27
Abstract: Procédé et appareil de commande de l'accès à un disque d'enregistrement par laquelle est déterminée une obliquité, si bien que le retard de rotation pour une distance de parcours moyenne lorsqu'une tête accède au disque d'enregistrement est réduit au minimum. Le procédé et l'appareil permettent de déterminer la position d'un bloc de données sur le disque d'enregistrement, en fonction au moins de l'obliquité déterminée, d'établir un ordonnancement pour une pluralité de demandes d'accès au disque d'entrées, de sorte que l'ampleur du déplacement de la tête par rapport au disque d'enregistrement au moment de l'accès devient réduit, et la tête accède au disque d'enregistrement sur la base du résultat de l'ordonnancement.