baber/WOPTO huggingface dataset:
Patent CA-2117022-C (CA)
Title: Composting apparatus and method
Inventor: AUGSPURGER QUENT
IPC: C05F17/02
Filed: 1994-03-04
Granted: 1997-07-01
Abstract: A composting apparatus is provided herein utilizing a vessel for receiving organic material which is rotatably supported.  In one embodiment, the vessel comprises a body including  a  decomposition  chamber,   the  body  being fabricated from a section of corrugated metal pipe having helical corrugations extending around the exterior and interior wall surfaces of the pipe.  In another embodiment, the body, including the decomposition chamber, is formed of a particularly recited structure of a pair of containers formed of synthetic plastic material, the joint having a controlled leakage structure.  In each embodiment, the body has an inlet at one end and an outlet at the opposite end.          A structure is provided for each embodiment for rotatively supporting the body.  A motor is provided for rotating the body.  Elevation structure is provided to position the body to  control  residence  time  and  accomodate  loading  and unloading. Baffles extend axially along the internal wall of the decomposition chamber, the baffles being adapted to mix the organic material and to move the material between the  inlet  and the outlet  as  the body rotates  at  the predetermined  speed  and  the  rotational  direction  as decomposition occurs.
Patent CA-2118572-C (CA)
Title: Serial flow pressure swing adsorption process for gas separation
Inventor: PAN CHUEN YONG
IPC: B01D53/04
Filed: 1994-03-07
Granted: 1998-12-22
Abstract: The process is conducted in a circuit having first and second adsorbers and a product reservoir vessel, connected serially. The feedstock is a gas mixture containing contaminant and product components (for example, air containing N2 and O2). The process steps involved are: (1) feeding a charge of feed gas into the first adsorber, temporarily retaining it therein, and pressurizing it, so that the adsorbent adsorbs most of the contaminant component and purified product gas is produced; (2) co-currently depressurizing the first adsorber by discharging purified product gas through the second adsorber and reservoir vessel; (3) counter-currently venting both adsorbers; (4) partly repressurizing both the adsorbers with purified gas from the reservoir vessel; and then repeating steps (1) - (4) inclusive. The process includes the following advantages over PSA systems using parallel arranged adsorbers: reversal of product concentration gradient in the adsorbers is avoided; and co-current de-pressurization of the first adsorber to a very low level prior to counter-current venting is made possible, improving process efficiency.
Patent CA-2120564-C (CA)
Inventor: FORD DAVID F
IPC: A47J31/40
Filed: 1994-04-05
Granted: 1997-03-11
Abstract: A multiple orientation drive device (22) for use with a beverage brewing apparatus (20).  The beverage brewing apparatus is a type having a brew chamber (24) which includes a top and bottom assembly (26, 28) and an elongated brewing component (36) extending into the brew chamber.  The elongated brewing component is associated with the drive device such that it is linearly and rotatably shiftable in the brew chamber.  The linear and rotatable shifting are independently achieved by the actions of an independent linear drive assembly 50 and an independent rotary drive assembly 52.  The linear drive assembly is associated with the brewing component for linearly driving the brewing component in the brew chamber and the rotary drive assembly is associated with the brewing component for rotating the component independently of the linear drive assembly.  The present invention also includes synchronizing the linear drive assembly and rotary drive assembly to simultaneously linearly shift and rotatably shift the brewing component in the brew chamber.  A sensor assembly 48 is associated with the drive device to indicate the position of the brewing component in the brew chamber. The sensor assembly is coupled to a control device 94 which in turn is attached to the linear and rotary drive assemblies. The control device selectively energizes and deenergizes the linear and rotary drive assemblies in response to predetermined conditions defined by the control signal from the sensor assembly.
Patent CA-2122516-C (CA)
Inventor: WEISCHEDEL HERBERT R
IPC: G01N27/82
Filed: 1994-04-29
Granted: 2004-04-06
Abstract: A magnetic inspection device for detecting structural faults in elongated magnetically permeable objects has two opposite magnetic poles, at least one pole being an end pole, that induce a first magnetic flux axially in a first section of an object between the poles, and an oppositely directed magnetic flux in another section adjacent the end pole. As the device and object move relative to one another, eddy currents induced in the object by the changing longitudinal fluxes at the end pole are detected to locate structural faults in the object.
Patent CA-2123300-C (CA)
Title: Method for preserving food products and products made thereby
Inventor: CLAYTON ROBERT PAUL
IPC: A23B4/12
Filed: 1992-10-22
Granted: 2003-02-11
Abstract: A method for preserving a food product; such as meat, is provided. The method comprises the steps of inoculating meat with an effective amount of euhygienic non-pathogenic, non-spoilage bacteria in order to competitively inhibit the growth of un-desired pathogenic and spoilage bacteria. Preferably, either L. delbrueckii or Hafnia alvei bacteria are used to inoculate a meat product. Bacteria present on a meat product is first reduced to a number below about 5000 bacteria per gram of meat, e.g. by de-hairing an animal and then spraying the meat with an organic acid prior to inoculation with euhygienic bacteria. The meat pro-duct is then vacuum packaged and stored in a refrigerated environment of about -1°C to about 7°C. Meat produces preserved in accordance with the method of the invention can enjoy a refrigerated shelf life of up to about I SO days without surface discolora-tion or the generation of undesirable gaseous by-products.
Patent CA-2125939-C (CA)
Inventor: MALOTA BERNHARD
IPC: H03F1/32
Filed: 1994-06-15
Granted: 2003-02-11
Abstract: At high frequencies, the video signal requires a higher current. For this purpose, it would be necessary to operate the video output stage with a higher quiescent current. Since these high frequencies are rarely required, the object is to provide a circuit which makes it possible to select the operating point when the frequency is increasing. For this purpose, a controlled variable which controls the operating point of the amplifier stage is obtained in dependence on the frequency output to which the amplifier stage is driven.      The distortion-free display of video signals with a large proportion of high frequencies, in particular on screens of cathode-ray tubes, is thus possible with little outlay on components.     In particular video amplifiers for projection picture tubes.
Patent CA-2138639-C (CA)
Inventor: ANDERSON KEVIN J
IPC: B66C19/00
Filed: 1994-12-20
Granted: 1997-04-08
Abstract: The disclosure involves a machine, e.g., a portal crane, having two components such as bridge support legs or rail-riding trucks.  Each component is driven by a separate motor and each is moving at a speed, perhaps a different speed.  A method for maintaining the speeds of the two components substantially equal to one another includes the steps of providing a differential signal representing a difference between the speeds of the two components and generating an equalizing signal reducing the speed of the higher-speed component.  Preferably, a second equalizing signal is also generated to increase the speed of the lower-speed component.  A new drive system is also disclosed.  The method and system are particularly useful for maintaining the "squareness" of a double-leg portal crane.
Patent CA-2139560-C (CA)
Inventor: NATTRASS PETER J
IPC: B65D30/04
Filed: 1995-01-04
Granted: 1997-07-22
Abstract: A method of manufacturing a bulk bag having a side wall height H of at least about twenty inches (51 cm) and a total circumferential length L of at least about ninety inches (228 cm) comprises fabricating a fabric side wall structure having a height H and a total circumferential length L, and providing a plurality of lift loops each having a first and second leg portion.  The legs of each lift loop are aligned at spaced locations around the top of the side wall structure, in positions for ready penetration by the tines of a forklift truck, with both leg portions of each lift loop extending a given distance downwardly from the top edge of the side wall structure.  The leg portions of each of the lift loops are stitched to the top of the side wall structure by at least three parallel lines of high-strength thread, preferably by chain stitching or lock stitching.          The stitching lines are all sewn in one or at most two passes; they extend horizontally across the lift loop legs to anchor the lift loops securely to the top of the side wall structure.  There is no horizontal fold of the top of the side wall structure extending down to the anchor stitching.
Patent CA-2148287-C (CA)
Title: Process for combining transmitting/receiving devices of a cordless communication system to form a communicating unit
Inventor: RUETHER RALF
IPC: H04B7/26
Filed: 1993-10-13
Granted: 1998-12-29
Abstract: When  base  stations  (BS1...BSm)  and  mobile stations (MS1...MSn) of a cordless communication system are combined to form a communicating unit,  a supplementary message (M2)  is transmitted, in addition to a DECT-specific  message   (M1),   from  base   stations (BS1...BSm)  to  the mobile  station  (MS1...MSn)  at  a request  stage.  The mobile  stations  (MS1...MSn)  must synchronize to this supplementary message (M2) in order to be combined with the base stations (BS1...BSm) at a registration stage. For this final combining, the mobile station (MS1...MSn) must additionally legitimate itself as authorized mobile station with a legitimation word (I-LW) at the base stations (BS1...BSm).
Patent CA-2148468-C (CA)
Inventor: HAMMOND PHILIP W
IPC: C12Q1/68
Filed: 1993-08-10
Granted: 2007-09-11
Abstract: bridization assay probes specific for (Chlamydia pneumoniae) and no other (Chlamydia) species.\!
Patent CA-2149261-C (CA)
Inventor: GAMBERTOGLIO LOUIS M
IPC: E21B33/14
Filed: 1995-05-12
Granted: 2005-07-05
Abstract: A liner cementing system and method provide for a landing collar 10 with a bypass passageway 45. Circulation port 62 in collar 10 permits initial circulation through the liner 17 until a pump down plug P1 is pumped therein to seal off circulation therethrough. An increase in pressure in the liner bore 51 acts on a piston 50 until shear ring 48 is sheared at a selected pressure. Cement 90 may then flow through the bypass passageway 45 into a cement shoe 104 and into an annulus 74 to cement the liner 17 in place. Pump down plug P2 seals off the bypass passageway 45 to stop flow into the annulus 74. The closing of circulation port 62, the opening of bypass port 53, and the closing of bypass port 53 produce pressure signals at the surface which may be used to analyze cement job success.
Patent CA-2150210-C (CA)
Inventor: CASE GEORGE M
IPC: F16K31/30
Filed: 1995-05-25
Granted: 1998-04-07
Abstract: A refrigerant flow control system for regulating the flow of a refrigerant liquid from a condenser sump to an evaporator wherein the control system regulates the liquid flow as a function of both the level of the liquid in the condenser sump and the system pressure differential between the condenser and evaporator of the refrigeration system.  The flow control system includes a stop, biasing means, a guidepost, a standpipe, a generally tubular metering sleeve, and a float member.
Patent CA-2150284-C (CA)
Title: Cryogenic rectification system capacity control method
Inventor: BONAQUIST DANTE PATRICK
IPC: F25J3/04
Filed: 1995-05-26
Granted: 1997-10-14
Abstract: A method for operating a cryogenic rectification plant wherein a column sump and/or top condenser liquid setpoint is changed in response to a feed flowrate change to control the operation of the plant to avoid product purity excursions without need for additional storage or holding tankage.
Patent CA-2151910-C (CA)
Title: Flexible spacers for use in disposable absorbent articles
Inventor: FREELAND MARY ELAINE
IPC: A61F5/44
Filed: 1993-12-09
Granted: 1999-11-09
Abstract: A spacer for use in a disposable absorbent article is diclosed. The spacer has an outer cover and a plurality of discrete elements enclosed by the outer cover. The discrete elements can move relative to one another within the outer cover. Relative movement of the discrete elements permits the spacer to plastically deform in response to flexural loading, while maintaining a fecal void space in the absorbent article under compressive loading.
Patent CA-2155980-C (CA)
Title: Curable casting compositions
Inventor: WILHELM THOMAS
IPC: C08K3/013
Filed: 1994-01-05
Granted: 2009-09-15
Abstract: A curable casting composition for producing plastic molded articles comprising a liquid, monomeric acrylate component is proposed, and also a process for producing it, wherein the time-consuming step of producing the sirup can be dispensed with, while, on the other hand, too rapid settling and sedimentation of inorganic particles can be reliably prevented.  To this end, it is proposed that the casting composition comprise in addition to a liquid, monomeric acrylate component, a proportion of a particulate plastic material, a proportion of a particulate inorganic material and, if necessary, a crosslinker.    The total content of particulate plastic material and particulate inorganic material should be approximately 45 to 85 % by weight, preferably 60 to 70 % by weight of the casting composition, with a minimum content of 8 % by weight of particulate plastic material.
Patent CA-2172347-C (CA)
Inventor: TYNDORF TADEUSZ A
IPC: C12M3/00
Filed: 1996-03-21
Granted: 1999-02-16
Abstract: The present invention is a culture slide assembly having a base member, a cooperable receptacle removably attached to the base and means for separating the receptacle from the base. Preferably, the assembly may be used for carrying out biological reactions or growth therein, such as growing tissue or cell cultures.
Patent CA-2181166-C (CA)
Inventor: MISRA MANORANJAN
IPC: C02F9/00
Filed: 1995-01-12
Granted: 2001-03-27
Abstract: Les métaux contenus dans différentes eaux usées sont récupérés de manière sélective sous forme de précipités métalliques et/ou de ferrite de spinelle, afin d'obtenir de l'eau pouvant être déchargée sans danger dans l'environnement. On extrait du ferrite de spinelle magnétique de grande qualité à partir d'eaux usées contenant de l'aluminium. Lorsque de l'arsenic est présent dans ces mêmes eaux usées, il en est également éliminé. Le traitement des eaux usées comprend trois étapes. Au cours de la première étape de traitement, qui est facultative, on provoque la précipitation d'au moins une partie d'au moins un métal non ferreux ou non ferrique contenu dans les eaux usées en soumettant celles-ci à un agent d'oxydation afin d'augmenter le potentiel d'oxydoréduction des eaux, en ajustant le pH des eaux usées à une valeur à laquelle le métal précipite et en ajoutant à ces eaux, en quantité suffisante, un composé sulfuré organique ou inorganique provoquant la précipitation du métal. Lorsque de l'aluminium est présent dans les eaux usées, il en est extrait par l'addition d'un agent réducteur qui réduit le potentiel d'oxydoréduction de l'eau et par l'ajustage du pH des eaux usées à une valeur proche de 5. L'aluminium qui précipite dans la solution aqueuse est extrait de cette dernière. Au cours de la troisième étape de précipitation, on récupère le fer sous forme de ferrite de spinelle par un processus à température ambiante, en ajoutant aux eaux un agent réducteur et un sel ferreux soluble, en ajustant le pH à une valeur comprise entre 9 et 12 et en oxydant l'eau avec un agent oxydant, par ex. de l'air, pour former du ferrite de spinelle. Lorsque de l'aluminium et/ou de l'arsenic sont présents dans les eaux usées et en sont extraits par ce procédé, on obtient du ferrite de spinelle magnétique de grande qualité.
Patent CA-2182028-C (CA)
Inventor: JUERGENS RALF
IPC: A47L13/60
Filed: 1996-07-24
Granted: 2000-05-02
Abstract: A wringer for a flat mop mounted on a mop carrier includes a main body provided with a pair of spaced-apart parallel and rotatably supported wringer rollers which can be spread apart in substantially parallel orientation against an elastic resetting force provided by the main body which is made of an elastically deformable material.  The wringer is preferably provided with an ejector arrangement for facilitating removal of an inserted mop carrier from the wringer, which ejector arrangement is operated by lateral ejector springs.  The wringer requires very little maintenance and is more economically manufactured.
Patent CA-2187748-C (CA)
Title: Fusogenic liposomes and methods of making and using same
Inventor: BAILEY AUSTIN
IPC: A61K9/127
Filed: 1994-04-12
Granted: 2007-04-10
Abstract: A liposome composition is provided which contains a liposome having: (i) an outermost lipid bilayer containing, in addition to a neutral, bilayer-preferring lipid, a fusion-promoting effective amount of an ionizable lipid having a protonatable, cationic headgroup and an unsaturated acyl chain; and (ii) a compartment adjacent to the outermost lipid bilayer which contains an aqueous solution having a first pH. External to the liposome in the composition is an aqueous solution having a second pH. The first pH is less than the pKa of the ionizable lipid in the outermost lipid bilayer and the second pH is greater than the pKa of the ionizable lipid in the outermost lipid bilayer, such that there is a pH gradient across the outermost lipid bilayer and the ionizable lipid is accumulated in the inner monolayer of the outermost lipid bilayer in response to the gradient. The liposome can be fused in a controlled manner to another lipid bilayer, for example, the plasma membrane of a mammalian cell, by degrading the pH gradient when fusion is to occur, such that the ionizable lipid is neutral, evenly distributed in the outermost lipid bilayer and, fusogenic. Controlled fusion can be used to control the delivery of a biologically active agent entrapped in the liposome into a cell.
Patent CA-2189984-C (CA)
Title: Promoteurs du recepteur p75 du facteur de necrose tumorale
Inventor: WALLACH DAVID
IPC: C12N15/09
Filed: 1995-05-11
Granted: 2008-03-25
Abstract: Séquence promotrice pour le récepteur p75 du facteur de nécrose tumorale, comprenant une séquence située en amont de la terminaison 5' et une séquence située dans le premier intron, et première séquence d'inhibition de la transcription, ainsi que leur préparation et utilisation.
Patent CA-2190400-C (CA)
Inventor: GUARALDI GLENN ALAN
IPC: B41F13/24
Filed: 1996-11-15
Granted: 2000-01-25
Abstract: An apparatus for supporting a cylinder within a processing unit is provided, the cylinder having a releasable end portion and a removably sleeve mounted thereon. A counterpoise assembly is assigned to one end of the cylinder. The cylinder is supported on both ends by support housings. One of the support housings is supported, during throw-off of the cylinder, by a horizontally movable supporting device.   A sliding device is assigned to the supporting device on the respective side frame.
Patent CA-2195555-C (CA)
Title: A method and apparatus for determining the concentration of a first fluid which is finely divided in a second fluid
Inventor: VAN DEELEN CHRISTIAAN CHARLES
IPC: G01N29/02
Filed: 1995-07-21
Granted: 2005-08-16
Abstract: A method and apparatus for determining a first (dispersed) fluid concentration in a second (dispersing) fluid stream. A sample of fluid to be analysed is conditioned to produce a well defined size distribution of the first fluid. The said sample is supplied to a detector, which is sensitive to changes in particle size distribution of the first fluid within file second fluid. At least one change is introduced in the size distribution of file first (dispersed) fluid within the second (dispersing) fluid. At least two detector signals of the sample flowing through the said detector are measured, and form the detector signal change, thus obtained, information is derived on the concentration of the dispersed fluid in the said dispersing fluid stream.
Patent CA-2195935-C (CA)
Inventor: HARTFORD ORLA MARY
IPC: A61P31/04
Filed: 1997-01-24
Granted: 2006-06-27
Abstract: The present invention relates to a live attenuated strain of the bacterium Streptococcus equi, a pathogen causing strangles in horses. The invention also relates to a vaccine against strangles, methods for the preparation of such a vaccine and to the use of the strain for the preparation of such a vaccine.
Patent CA-2196552-C (CA)
Title: Method for removing alkaline sulfate scale
Inventor: MORRIS RICHARD LEO
IPC: B01F1/00
Filed: 1995-07-21
Granted: 2001-12-04
Abstract: The present invention relates to the use of solvent and low frequency sonic energy within the range of 1.25 to 6.5 KHz, preferably less than 2.0 KHz and most preferably 1.25 KHz, for enhancing the dissolution of alkaline earth metal scales from well bores using a scale-removing solvent comprising an aqueous alkaline solution having a pH of 8 to 14 and containing EDTA or DTPA and a catalyst or synergist, preferably an oxalate anion. When the scale deposit is contacted with the scale removing solvent while simultaneously transmitting low frequency sonic energy through the solvent, substantially more scale is dissolved at a faster rate than previously possible.
Patent CA-2203901-C (CA)
Title: Polymeric wound healing accelerators
Inventor: SHABANI MOHAMMAD
IPC: A01N43/04
Filed: 1995-10-30
Granted: 2008-01-08
Abstract: The invention describes water insoluble polymeric NONOate complexes which are capable of accelerating wound repair through the controlled therapeutic release of NO. The composition is additionally indicated to be capable of containing an absorbent material, optionally with a matrix material included.
Patent CA-2206925-C (CA)
Inventor: SCHOB GEORGE
IPC: C21D1/40
Filed: 1997-06-04
Granted: 2008-12-16
Abstract: A constant current annealing device for annealing a wire or surgical needle is disclosed. The device includes amplitude and time setting devices, such as thumb-wheel switches. A constant current source is connected to the current setting device. The constant current source is switchable, through a switch for example, in response to a timing signal to provide a constant current for a predetermined duration. A pair of spaced apart electrodes are clamped on the needle and a switching device is connected between the constant current source and the pair of electrodes. The voltage drop across the switching device varies to compensate for load variations, thus keeping the anneal current constant in the anneal ON mode. In the anneal OFF mode, where current is not provided to the needle, the switching device shunts a residual current away from the electrodes. The time setting device include a programmable logic controller (PLC) and a solid state relay to provide an accurate timing signal. A current measuring and monitoring device is connected to another PLC, which shuts down the annealing device after a predetermine number of alarms or after the constant current amplitude deviates by a predetermined amount.