baber/WOPTO huggingface dataset:
Patent CA-2247690-C (CA)
Inventor: ISHII MIKIHIKO
IPC: F04C27/00
Filed: 1998-09-21
Granted: 2001-11-06
Abstract: In a compressor in which a compression mechanism incorporated in a housing is driven by a drive shaft penetrating the housing, and the compression mechanism is lubricated by mist-form lubricating oil contained in a low-pressure gas refrigerant sucked into the housing, the lubricating oil in a space is prevented from entering a bearing and deteriorating grease in the bearing.  An equalizing hole is formed to allow the space to communicate with the atmosphere, the space being defined between the bearing pivotally supporting the outer end of the drive shaft on the housing and a shaft seal disposed on the inside of the bearing to seal a gap between the drive shaft and the housing.
Patent CA-2248888-C (CA)
Inventor: HELMS DAVID R
IPC: H04B1/40
Filed: 1998-10-15
Granted: 2001-12-04
Abstract: A new class A/F amplifier has an filtering and matching input circuit, a summing junction, an amplifying circuit, a filtering and feedback biasing circuit, and an output filtering and matching circuit.  The filtering and matching input circuit responds to a radio frequency access input signal, for providing a filtered and matched radio frequency access input signal.  The summing junction responds to the filtered and matched radio frequency access input signal, and further responds to a filtering and feedback biasing signal, for providing a summed, filtered, matched and feedback radio frequency access input signal.  The amplifying circuit responds to the summed filtered, matched and feedback radio frequency access input signal, for providing an amplified, summed, filtered, matched and feedback radio frequency access input signal.  The feedback and filtering biasing circuit responds to the amplified, summed, filtered, matched and feedback radio frequency access input signal, for providing the feedback and filtering biasing signal.  The output filtering and matching circuit responds to the amplified, summed, filtered, matched and feedback radio frequency access input signal, for providing an amplified, summed, filtered, matched and feedback radio frequency access output signal.          The class A/F amplifier substantially reduces harmonics in the radio frequency signal that cause power interference between adjacent channels, resulting in greatly improved mobile communication service having much fewer dropped calls and an enhanced calling range.
Patent CA-2255424-C (CA)
Title: Current limiting high voltage fuse
Inventor: HANDCOCK HAROLD JOHN
IPC: H01H85/11
Filed: 1998-12-10
Granted: 2007-10-23
Abstract: A current limiting high voltage fuse wherein a hollow body 1 has conductive caps 2, 3 at either end and is filled with silica sand. A plurality of fusible strips 8 extend between the two caps. Each fusible strip has a low melting alloy spot 10. The locations of the spots are staggered and are positioned substantially one third of the way along a respective fusible strip. In an alternative construction, the fusible strips 13, 14 are wound around a pair of coaxial formers 11, 12, with the fusible strips 14 wound around the central former 12 having a smaller cross section than the fusible strips 13 wound around the outer former 11.
Patent CA-2260243-C (CA)
Title: Traitement ameliore de compositions de pain de savon synthetique comprenant des amphoteriques bases sur des niveaux minimaux de savon a acide gras et rapports minimaux de savon sature sur savon non sature
Inventor: ORNOSKI GREGORY ALAN
IPC: C11D1/92
Filed: 1997-07-02
Granted: 2007-02-13
Abstract: La présente invention concerne des compositions de pains de savon synthétiques comprenant des tensio-actifs amphotériques (par exemple, bétaïne). Dans ces compositions on utilise des concentrations minimales de savon acide gras et des rapports minimaux (quantités minimales) de savon saturé sur savon non saturé ce qui permet d'assurer un traitement amélioré (c'est-à-dire, mesuré en taux d'extrusion) avec des concentrations supérieures de produits amphotériques.
Patent CA-2263511-C (CA)
Inventor: SPRINGER ELKE
IPC: C08J7/04
Filed: 1997-08-07
Granted: 2005-11-01
Abstract: L'invention concerne une pièce moulée plate multicouches présentant une face visible et une couche support, par ex. une baignoire ou un receveur de douche, la face visible étant constituée d'une couche de peinture de polyuréthanne et la couche support d'une couche de polyuréthanne renforcée.
Patent CA-2264714-C (CA)
Inventor: PHELPS PATRICIA V
IPC: C12N15/12
Filed: 1997-10-03
Granted: 2004-01-20
Abstract: A method of determining the gender of a bird in ovo comprises detecting the presence or absence of an elevated level of a sex-related hormone in the extra-embryonic fluid of the bird egg, and then determining the gender of the bird within the egg from the presence of an elevated level of a sex-related hormone therein. Preferably, the sex-related hormone is an estrogen. Further preferred are methods in which the extra-embryonic fluid is allantoic fluid. The method is preferably carried out on chicken eggs prior to or during transfer of the eggs from incubator to hatcher.
Patent CA-2271471-C (CA)
Title: Tire-lait
Inventor: NORDVIK TONE
IPC: A61M1/06
Filed: 1997-11-07
Granted: 2004-01-13
Abstract: L'invention concerne un tire-lait comprenant une téterelle (1), des moyens de recueillement (10) reliés à cette téterelle (1), une source de vide, au moins une source de fluide sous pression (14) ainsi qu'un dispositif de régulation, cette téterelle (1) étant caractérisée en ce qu'elle comprend une portion généralement conique (2) ainsi qu'une portion généralement cylindrique (3) reliée à la partie de la portion conique (2) présentant le plus petit diamètre, et en ce qu'elle présente une combinaison des éléments suivants: a) un premier élément destiné à stimuler un téton et dont une première zone de stimulation se compose de la portion généralement cylindrique (3), b) un second élément de stimulation d'une zone du sein se situant immédiatement autour du téton ou dans le voisinage immédiat de celui-ci, lequel second élément est monté au niveau de la portion conique (2) présentant le plus petit diamètre, ou au voisinage de celle-ci, et se compose d'une chambre annulaire (4) ménagée dans la paroi de la portion conique (2) de la téterelle (1), et éventuellement c) un troisième élément de stimulation d'une zone du sein distante de 2,5 à 3 cm de la base du téton, lequel troisième élément (6) est constitué par une partie de la portion conique (2) se situant à une distance de 2,5 à 3 cm du raccord entre la portion cylindrique (3) et la portion conique (2), et se compose d'une chambre annulaire ménagée dans la paroi du corps conique (2), laquelle chambre se présente préférablement sous la forme d'une ou de plusieurs rangées de cellules (6), reliées entre elles par des passages (7).
Patent CA-2272766-C (CA)
Title: Tandem injection molding apparatus and press therefor
Inventor: MEIDAN DANIEL
IPC: B29C45/67
Filed: 1999-05-28
Granted: 2003-03-25
Abstract: A tandem press has a moving frame comprising a moving platen moving in a reciprocating motion between stationary outer platens, between a first clamping position in which the moving platen clamps a first mold mounted on one side of the press, and a second clamping position in which the moving platen clamps a second mold on the other side of the press. The tandem press of the invention thus provides two complete clamping cycles within one press cycle. In the preferred embodiment the hydraulic pistons actuating the moving platen also serve as guide bars for maintaining the moving platen in alignment with the stationary platens. In the preferred embodiment the actuating cylinders are small bore diameter high speed cylinders, and the moving platen is provided with larger bore diameter hydraulic clamping cylinders to apply the required clamping force to the mold after the actuating cylinders have moved the moving platen to the clamping position.
Patent CA-2276378-C (CA)
Inventor: COX INGEMAR J
IPC: H04N7/24
Filed: 1999-06-23
Granted: 2003-02-04
Abstract: A watermarking procedure that is applicable to images, audio, video and multimedia data to be watermarked divides the data to be watermarked into a set of nxn blocks, such as the 8x8 blocks of MPEG. The same watermark signal can be distributed throughout the set of blocks in a large variety of ways. This allows the insertion algorithm to be changed without affecting the decoders. The decoding procedure first sums together the DCT coefficients of N sets of 8x8 blocks to form a set of N summed 8x8 blocks and then extracts the watermark from the summed block. Since the sum of the DCT blocks is equal to the DCT of the sum of the intensity blocks, efficient decoding can occur in both the spatial and frequency domains. The symmetric nature of the decoding process allows geometric distortions to be handled in the spatial domain and other signal distortions to be handled in the frequency domain. Moreover, insertion of a watermark signal into image data and the subsequent extraction of the watermark from watermarked image data which has been subject to distortion between the times of insertion and extraction involves the insertion of multiple watermarks designed to survive predefined distortions of the image data, such as panscan or letterbox mode transformations. Alternatively, a registration pattern in the image data, after the image data containing the registration pattern is subject to an unknown distortion, is used to compensate for distortion of the watermarked image data.
Patent CA-2284254-C (CA)
Inventor: DAVIS LORITA
IPC: D01F11/16
Filed: 1998-04-01
Granted: 2004-10-05
Abstract: The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber which has an oxygen diffusion rate to the center of the fiber which is competitive with the rate of oxidation at the fiber's surface. Further, the present invention provides a high density pitch fiber batt which thermosets without loss of fiber structure.
Patent CA-2288217-C (CA)
Inventor: HIRSCH MARTIN
IPC: C22B5/14
Filed: 1998-04-17
Granted: 2008-04-15
Abstract: The wet granulated iron ore is initially conducted through a drying zone. The ore leaves the drying zone at a temperature of 120-400 .degree.C. The ore is then heated in direct contact with hot gas to temperatures of 700-1,1 00 .degree.C before being delivered to a reduction zone. The ore coming out of the drying zone is fully or partially guided through a separating device so as t o separate the ore into fine and coarse grain fractions. The fine-grained ore fraction is conveyed to a granulating device so as to produce an iron ore granulate which is conducted to the drying zone. The coarse-grained ore fraction is heated to temperatures of 700-1,100 .degree.C before it is guide d into the reduction zone.
Patent CA-2290913-C (CA)
Inventor: COUTURE JOHN R
IPC: G05D23/13
Filed: 1999-11-29
Granted: 2004-02-03
Abstract: An improved tempered water mixing system comprises a thermostatically operated main mixing valve for blending cold and hot water supplies during normal system operation, a secondary temperature-limiting flow-control device in the form of a thermostatic valve, and a pressure-responsive flow control device in the form of a pressure regulating valve (also known as a pressure regulator), with the thermostatic valve and the pressure regulating valve being connected to function as fail-safe devices so as to provide an uninterrupted discharge outflow at a substantial flow rate in the event of a malfunction of the main mixing valve.
Patent CA-2295654-C (CA)
Title: Process for producing hyperbranched polymers
Inventor: TEYMOUR FOUAD
IPC: C08F2/01
Filed: 1998-08-04
Granted: 2006-05-16
Abstract: A method is provided for producing hyperbranched polymers comprising heating a polymerizable reaction charge comprising (a) a monomer mixture comprising 50-99.1 % by weight of at least one monoethylenically unsaturated monomer and 0.1-50 % by weight of one or more multiethylenically unsaturated monomers and (b) if at least one ethylenically unsaturated monomer of the monomer mixture is not a thermally initiating monomer, a free radical polymerization initiator, to a temperature in the range from about 250 .degree. C to about 400 .degree. C in a continuous reactor which allows mixing of the reactor conten ts for a residence time of from about 2 minutes to about 60 minutes, provided that if the total amount of multiethylenecally unsaturated monomer is less than 3 % by weight of the monomer mixture than at least one of said one or more multiethylenically unsaturated monomers must b e tri- or greater ethylenically unsaturated. The hyperbranched polymers prepared by this process are also described.
Patent CA-2300310-C (CA)
Title: Music browser
Inventor: HERPERS YORK PATRICK
IPC: H04H20/82
Filed: 1999-07-01
Granted: 2007-05-08
Abstract: A music browser method and system comprises a recording station, into which reference files for pieces of music are entered and thence, together with corresponding media files, transferred to a data archive. The content of the reference files is deposited in the fields of the data archive and by means of the track management application, it is determined which media files and which corresponding fields of the data archive are to be made available in a server and transferred. Media files deposited in the server and corresponding fields of the data archive are made available on request at the level of an output unit and the corresponding piece of music is played at the level of the output unit.
Patent CA-2307479-C (CA)
Inventor: PARNELL PHILIP K
IPC: B29C45/14
Filed: 2000-05-03
Granted: 2007-07-24
Abstract: This invention provides a mold comprising a first mold half which works in conjunction with a second mold half for forming ophthalmic devices wherein said first mold half comprises at least one changeable cassette comprising inserts for forming said ophthalmic devices. The mold is particularly well-suited for use in an injection molding machine.
Patent CA-2309224-C (CA)
Inventor: WILLIAMS JAMES L
IPC: C07J9/00
Filed: 2000-05-23
Granted: 2006-06-27
Abstract: The present invention provides a method for the direct esterification of stanols and sterols with fatty acids to form stanol/sterol-esters. The method provides a synthetic route that is amenable to large scale production of the esters in high yields. A preferred embodiment employs a food grade process free of organic solvents or mineral acids, does not produce or use non-food grade products and is substantially free of the use of a catalyst.
Patent CA-2310039-C (CA)
Title: Bipolar electrosurgical instrument with replaceable electrodes
Inventor: TRIMBERGER DANIEL LEE II
IPC: A61B18/14
Filed: 1998-11-11
Granted: 2008-10-07
Abstract: A bipolar electrosurgical instrument for vessel sealing comprises first and second members connected by a pivot. A pair of jaws have opposable seal surfaces that are designed to grasp vascular tissue and conduct bipolar electrosurgical current therethrough. Electrodes on the jaws, including the seal surfaces, are removable and disposable. The jaws of the instrument have mechanical interfaces designed to accept replacement electrodes. The instrument further comprises interlocking ratchets designed to hold a constant closure force between the seal surfaces. Wires extend from the electrodes along one of the members and are connectable to an electrosurgical generator.
Patent CA-2318039-C (CA)
Inventor: NILSEN ROBERT B
IPC: B29D11/00
Filed: 1999-01-26
Granted: 2007-08-21
Abstract: A continuous process for producing printed patterns on retroreflective material is disclosed, wherein a partially cured patterns (20') is printed on a roll of film (46) and partially cured cube-corner prisms (64) a re bonded to the film over the printed matter thereby encapsulating the printed matter to protect the printed matter from the environment.</SDOA B>
Patent CA-2334739-C (CA)
Inventor: GALVIN DONNA
IPC: E05C1/08
Filed: 1999-06-01
Granted: 2007-11-20
Abstract: An automatic door latch is disclosed. In a preferred embodiment, the latch includes a dead bolt which is automatically moved from a partially retracted or trigger position to a fully extended locking position when a door in which the lock is mounted is closed. When a key is used to unlock the dead bolt from outside of the door, or a finger turn or key is used to unlock the dead bolt from inside of the door, the dead bolt is automatically reset to the trigger position.  In a preferred embodiment, the dead bolt lock includes a multi-position switch mounted in the lock housing which engages a contact member mounted on the dead bolt.   Retraction of the dead bolt into the housing causes the multi-position switch to engage the contact member and to secure the dead bolt in the trigger position. Subsequent retraction of the dead bolt into the housing causes the multi-position switch to disengage from the contact member, thereby allowing the dead bolt to extend from the housing to the locked position. In a preferred embodiment, a latch restraint assembly is provided which holds the dead bolt in the fully retracted position until the restraint assembly is manually released. The automatic door latch comprises relatively few component parts in comparison with conventional locks, and is preferably compatible with standard predrilled door cut-outs.
Patent CA-2341233-C (CA)
Inventor: DE NORA VITTORIO
IPC: C25C3/12
Filed: 1999-07-30
Granted: 2008-09-23
Abstract: A composite, high-temperature resistant, non-carbon metal-based anode of a cell for the electrowinning of aluminium comprises a metal-based core structure of low electrical resistance, for connecting the anode to a positive current supply, coated with a series of superimposed, adherent, electrically conductive layers. These layers consist of at least one layer on the core structure constituting a barrier substantially impervious to monoatomic oxygen and molecular oxygen; one or more intermediate, protective layers on the oxygen barrier layer(s) which remain inactive in the reactions for the evolution of oxygen gas; and an electrochemically active layer for the oxidation reaction of oxygen ions present at the anode/electrolyte interface into nascent monoatomic oxygen, as well as for subsequent reaction for the formation of gaseous biatomic oxygen. The active layer comprises at least one transition metal and/or an oxide thereof (excluding the lanthanides and actinides and their oxides alone).
Patent CA-2342892-C (CA)
Inventor: SJOLUND HANS MARTIN
IPC: A01J5/017
Filed: 1999-09-01
Granted: 2009-01-20
Abstract: The invention regards an apparatus for performing an animal related operation like milking or grooming, where the animal (9) is confined in a stall (8). In order to protect animals and equipment, it is so arranged that any breaking of the functions activates an activable state, which retracts devices (21; 10) from the region of confinement before the apparatus is allowed to finally stop.
Patent CA-2344158-C (CA)
Inventor: TOWERS WILLIAM J
IPC: A47F7/00
Filed: 1999-09-14
Granted: 2004-06-29
Abstract: A frame-like carrier (10) for a plurality of various sized, stretchable, elastic cords (28, 30, 32, 34, 36, 38). The carrier ( l0) has at least three spaced apart cross arms ( 12, 14, 16, 18, 20) for supporting cords (28, 30, 32, 34, 36, 38) in an organized and compact manner between any two of the cross arms (12, 14, 16, 18,20). The cross arms (12, 14, 16, 18, 20) are appropriately spaced such that commercially available sizes of cords (28, 30, 32, 34, 36, 38) are supported on the carrier ( 10) in a slightly stretched condition. Thus, the cords (28, 30, 32, 34, 36, 38) are supported under enough tension on the carrier (10) to resit disengagement and maintain proper positioning, yet a small enough amount of tension to prevent an accidently disengaged cord (28, 30, 32, 34, 36, 38) from creating a hazard as it snaps back into a non-tensioned condition.
Patent CA-2356432-C (CA)
Title: Chauffage par induction de surfaces de rouleaux de calandre
Inventor: DOWNING DANIEL RAY
IPC: B29L30/00
Filed: 1998-12-30
Granted: 2007-08-28
Abstract: L'invention concerne un procédé et un appareil de chauffage rapide des rouleaux de calandre (350, 352) pour un appareil de calandrage (200). Dans une zone de chauffage (800), les rouleaux (350, 352) sont préchauffés, réchauffées ou maintenus à une température quelconque avant leur insertion dans l'appareil de calandrage (300). Le chauffage s'effectue par induction. Les rouleaux (350, 352) peuvent être acheminés vers l'appareil de chauffage (802) à partir d'une zone de stockage initiale (420) ou l'appareil de calandrage (300). Les rouleaux (350, 352) sont transportés par un mécanisme de transfert suspendu (400). Le procédé et l'appareil facilitent considérablement la formation de feuilles multicouches et conviennent particulièrement à la fabrication de pneus.
Patent CA-2358560-C (CA)
Title: .alpha.-substitution of unprotected .beta.-amino ester compounds
Inventor: POWNER TORY H
IPC: C07C229/00
Filed: 1999-12-17
Granted: 2010-02-02
Abstract: Methods for stereoselective substitution in which a (mono or un)-.alpha.-substituted unprotected .beta.-amino ester compound or salt thereof is reacted with an aliphatic electrophile in the presence of a base selected from alkyl lithium compounds, lithium hybride, lithium amide, lithium dialkyl amides and alkali hexamethyldisilylamines.
Patent CA-2359654-C (CA)
Title: Clear fabric softener formulations
Inventor: KOHLE HANS-JURGEN
IPC: C11D1/72
Filed: 1999-08-06
Granted: 2007-05-29
Abstract: The invention relates to fabric softener formulations based on one or more cationic surfactants and at least one further component, which give the overall formulation a transparent and clear appearance.
Patent CA-2367028-C (CA)
Title: Process for the preparation of a diol
Inventor: GLASBEY TREVOR OWEN
IPC: C08F20/28
Filed: 2000-03-03
Granted: 2009-07-21
Abstract: There is provided a process for the preparation of a polymerisable monomer of formula (I) comprising the step of contacting a compound of formula (II) with an immobilised acid, wherein X, Y, Z, R1, P and Q are independently selected from a hydrocarbyl group or hydrogen and wherein A is (CH2)n wherein n is 0 or 1.
Patent CA-2376226-C (CA)
Inventor: SJOBLOM BRITA
IPC: A61K47/38
Filed: 2000-06-20
Granted: 2009-10-20
Abstract: An oral dosage form comprising a core material coated with a semipermeable membrane wherein the core material comprises an active ingredient selected from the group of omeprazole, an alkaline salt thereof, S-omeprazole and an alkaline salt thereof, in admixture with one or more alkaline additives, one or more swelling agents, and optionally pharmaceutically acceptable excipients, and the dosage form is not enteric coated.
Patent CA-2377828-C (CA)
Inventor: GUPTA SUDHIR KUMAR
IPC: B05D5/06
Filed: 2001-03-30
Granted: 2009-11-17
Abstract: L'invention concerne un procédé de dépôt d'une substance absorbante sur un substrat en plastique/verre par enduction sous vide selon un angle d'inclinaison compris entre 50 et 30o et au moyen d'un masque sur la source d'évaporation, pour la production d'un matériau en film à densité progressive, et par enduction des deux côtés du substrat d'une ou plusieurs couches antireflets. L'invention porte également sur un procédé de préparation d'un film absorbant à densité progressive et de couche(s) antireflet(s) utile(s) en tant que dispositif optique antireflet pour la protection des yeux par la réduction du reflet par absorption de l'intensité lumineuse tombant sur celui-ci de manière non homogène.