baber/WOPTO huggingface dataset:
Patent CA-2247458-A1 (CA)
Title: Displacement-current method and apparatus for resolving presence, orientation and activity in a defined space
Inventor: SMITH JOSHUA R
IPC: A61B6/04
Filed: 1997-02-18
Abstract: Apparatus and methods for resolving presence, orientation and activity of a person within a defined space utilizes at least one electrode proximate to the space to be observed. An AC signal is applied to the electrode, and the current measured from that electrode and also to any other electrodes included in the system, and which are effectively connected to the ground return of the AC-coupled electrode. A person (or object) to be sensed intercepts a part of the electric field extending between the AC-coupled "sending" electrode and the other "receiving" electrodes, the amount of the field intercepted depending on the size and orientation of the sensed person, whether or not the person provides a grounding path, and the geometry of the distributed electrodes. Given the nonlinear spatial dependence of the field, multiple electrodes can reliably distinguish among a set of expected cases. The invention can be configured to detect not only static positions and orientations, but also motion through a defined space. This is accomplished by taking sequential measurements at different times and utilizing the time variation in signal magnitudes as well as the absolute magnitudes themselves.
Patent CA-2248083-A1 (CA)
Inventor: RYGAS TADEUSZ PIOTR
IPC: C08K3/16
Filed: 1997-02-26
Abstract: The present invention provides compositions that are intimate mixtures of hydrogen fluoride and a polymer. The compositions of the invention are less hazardous and, therefore, more conveniently stored, transported, and handled in comparison to pure hydrogen fluoride. Further, the hydrogen fluoride may be readily recovered from the compositions of the invention for use.
Patent CA-2248393-A1 (CA)
Title: Identification of vacuous predicates in computer programs
Inventor: VANCE BENNET
IPC: G06F9/44
Filed: 1998-09-24
Abstract: A computer system identifies a predicate in a computer language containing constant expressions as vacuous. The system identifies distinct variables contained in the predicate and represents the predicate by a set of bounding rectangles. The bounding rectangles are represented in a space having a number of dimensions equal to the number of variables. There are finite limits on dimensions of a bounding rectangle which represent the relationship between the variables in the predicate and the constant expressions in the predicate. The predicate is identified as vacuously FALSE where the set of bounding rectangles is empty.
Patent CA-2248959-A1 (CA)
Title: Transversal toothbrush
Inventor: HUGON ROLAND
IPC: A46B7/02
Filed: 1997-05-21
Abstract: PCT No. PCT/FR97/00893 Sec. 371 Date Oct. 28, 1998 Sec. 102(e) Date Oct. 28, 1998 PCT Filed May 21, 1997 PCT Pub. No. WO97/43923 PCT Pub. Date Nov. 27, 1997The invention features a so-called transversal toothbrush to ensure greater brushing efficiency between the teeth and at the neck level of the teeth. It is characterized in that the direction of the handle (2) is preferably perpendicular relative to the longitudinal direction of the brush body (1). The handle is either connected fixedly with the brush body but with a deformation region (6) for transversal or longitudinal use, or it is mounted movably on the brush body. A mechanism for blocking it in position are provided on the brush body by a truncated cone (10) topped by a shaft (13) and opposite, on the handle, by an apertured hood (16) comprising two lugs (17) and part of a cylinder (18).
Patent CA-2249234-A1 (CA)
Title: Thermal head and ink transfer printer using same
Inventor: SUZUKI MINORU
IPC: B41J2/005
Filed: 1998-09-30
Abstract: In a thermal line head according to a first aspect of the invention, a monolithic electrical conductive pattern is formed on a base plate.  The monolithic pattern includes plural sets of two electrodes, with a constriction extending between the two electrodes in each set.  A cross-sectional area of the constrictions is smaller than that of the electrodes, whereby each of the constrictions serves as an electric resistance element.  In an ink transfer printer, a frame, with an opening, is fixed on the thermal head such that the elements are included in the opening.  A film sheet covers the frame, such that the opening is defined as an ink space, and plural pores in the sheet are arranged along an alignment of the elements, with at least one pore being allocated to each of the elements.  When each of the elements is electrically energized to generate thermal energy, an ink drop appears on the film sheet from a pore corresponding to the localized generation of the thermal energy.
Patent CA-2251321-A1 (CA)
Title: Soil working implement
Inventor: LANGBAKK HANS PETTER
IPC: A01B19/02
Filed: 1998-10-23
Abstract: A soil working implement (10) comprising a frame (12), a coupling arrangement on the frame for coupling the implement to a propelling vehicle, a number of rows of soil working tines (15, 16, 23, 24) mounted on the frame and extending transversely of the direction of travel with the tines (25) in each row projecting downwardly so that the lower tips can penetrate and move through the ground, first resilient means (36) acting on the tines (25) so as to apply a biasing force extending parallel to the ground and in the travelling direction, second resilient biasing means (40) acting on each row of tines (25) to apply a downwardly acting force on the tips (26), means (46a) for adjusting the second resilient biasing means (40) to vary the applied downwardly acting force, and a common actuator (49) coupled with the adjusting means (45a) and operable to carry out joint adjustment of the downwardly acting force applicable to the tips (26) of the tines (25) of all of the rows (23, 24).
Patent CA-2252284-A1 (CA)
Inventor: LEPOIRE ROBERT A
IPC: E04C3/02
Filed: 1998-10-30
Abstract: Lintels having metal side plates are described. In an exemplary embodiment, a lintel constructed in accordance with the present invention includes a generally rectangular frame of a height, length and thickness substantially corresponding to the dimensions of the opening in which the lintelis to be installed. The frame is formed by connected, first and second elongate chord members (e.g., nominal "2xN" members) that extend in spaced, substantially parallel, overlying relationship to each other. The subject lintel also includes at least one generally rectangular, metal side plate having at least first and second spaced groupings of integrally formed teeth extending from one side along opposite longitudinal edges thereof. The respective teeth groupings engagethe first and second chords. The metal side plate member has a width intermediate of the height of the frame and the distance between the first and second chords, and is positioned so as to overlap portions of each of the coplanar side surfaces of the first and second chords on one side of the frame, while leaving sufficient space between its lower longitudinal edge and the bottom edgeof the frame to permit convenient fastener attachment of siding or other materials.
Patent CA-2252320-A1 (CA)
Title: Spin-on filter and method of manufacturing same
Inventor: BIERE DAVID A
IPC: B01D35/02
Filed: 1998-11-03
Abstract: A spin-on filter including an improved baseplate preferably die cast from aluminum and an improved seaming lid preferably stamped from sheet steel. The baseplate includes a hub joined to a rim by ribs. The rim includes slots that receive tabs from the stamped seaming lid to provide for torque transfer between the canister and baseplate. The baseplate provides a seat for the seaming lid interfit with the baseplate to form a outer gasket groove. The baseplate provides the groove inner wall, while the seaming lid provides the groove outer wall and base. The inventive design in the baseplate and seaming lid provide for a groove for receiving an outer gasket and for torque transfer without complex or costly manufacture.
Patent CA-2254689-A1 (CA)
Inventor: FOTI SAM J
IPC: F16L33/26
Filed: 1998-11-19
Abstract: A metal hose comprises a metal tube having an annularly corrugated wall, a fitting body, an extension that projects from the fitting body, and a sealing member. The fitting body defines a sealing seat for the sealing member. The extension projects from the body about the tube and defines a corrugation positioner distal the fitting body. The extension is deformed to shift the corrugation positioner toward engagement with the tube and resiliently compress the tube corrugations between the positioner and the sealing member. The resiliently compressed corrugations urge the sealing member against the seat for sealing the juncture of the fitting and the tube.      In one embodiment a reinforcing shroud surrounds the tube and extends into the fitting. The fitting secures the shroud in place. The corrugation positioner compresses the tube corrugations through the shroud so the shroud is clamped and secured in place by the positioner at a location spaced axially from its end within the fitting.
Patent CA-2254962-A1 (CA)
Inventor: BEECHAM JAMES E
IPC: G06F21/62
Filed: 1997-05-09
Abstract: A method and apparatus for collecting medical data from a test subject while preserving anonymity for the test subject. The method includes steps of collecting a sample from the test subject and taking biometric data from the test subject. The biometric data permit a high order of probability of correlation of the test subject with the sample and with test results derived from the sample. The method desirably further includes a step of providing the test subject with a unique correlating code also for permitting unique correlation of the test subject with the sample and with test results derived from the sample, and further desirably includes a step of labeling the sample with information including the biometric data.
Patent CA-2256967-A1 (CA)
Title: Method for optimizing frame error rate settings during soft handoffs in a wireless telecommunications network
Inventor: PITTAMPALLI ESHWAR
IPC: H04W28/04
Filed: 1998-12-23
Abstract: The performance of a wireless telecommunications system is enhanced by the exchange of frame error rate (FER) setting data between base stations and an FER control system within a selection/distribution unit. This exchange occurs when radio facilities from other base stations are added to a call during a soft handoff procedure.
Patent CA-2257554-A1 (CA)
Title: Soft rawhide article and method
Inventor: GLASS RICHARD W
IPC: A23K1/18
Filed: 1998-12-29
Abstract: A soft rawhide product is made by soaking raw animal hides in a humectant or combining chopped rawhide particles with the humectant and a soft edible binder. The humectant is taken up by the rawhide and provides a soft rawhide product even after the product is permitted to dry or is exposed to the air for long periods of time. The presence of the humectant and binder not only contribute to the softness of the rawhide product, but permits an increase in the moisture content and/or flexibility of the rawhide while still maintaining an acceptably low water activity. An additional benefit is an increased ability to import colors, flavors, scents, nutritional material or drugs into the edible chew toy product.
Patent CA-2258067-A1 (CA)
Title: Precast concrete plates
Inventor: BOWE MICHAEL DAMIAN
IPC: E04D3/26
Filed: 1999-01-07
Abstract: A precast concrete plate, such as a roof tile, floor tile, wall tile or house siding, comprises in total from about 0.2% to about 5% by weight of a polymeric modifier having a Tg of above -40°C. The portion of said concrete which comprises no more than about 50% of the thickness of all the concrete which forms the plate, when measured from the bottom surface of the plate towards the top surface of the plate, includes at least about 60% by weight of said polymeric modifier. The plates have a relatively higher degree of resistance to flexural loadings and resistance to impact-impulse loadings in comparison to concrete plates which comprise no polymeric modifier, thus rendering them less likely to be broken or fractured during their storage, transfer and assembly.
Patent CA-2258254-A1 (CA)
Title: Usine de traitement industriel des dechets domestiques et des boues organiques par le recyclage des produits valorisables et par la production acceleree de gaz biologique (le biogaz) et d'un amendement organique (le digestat) generes par la fermentation anaerobie mesophile des matieres organiques
Inventor: BALU ANDRE
IPC: C05F17/00
Filed: 1998-12-23
Abstract: La présente invention concerne une usine rentable de traitement des déchets ménagers et des boues liquides organiques fraiches ayant moins de huit (8) jours. Elle fonctionne en respectant les règles de l'environnement et en produisant des matières recyclées et de l'énergie sous la forme de BIOGAZ qui est composé de gaz méthane avec un produit chimique secondaire appelé gaz carbonique et d'un engrais organique appelé DIGESTAT. Dans la présente invention, après le triage des matières à recycler et afin de générer le maximum de biogaz et de digestat le plus rapidement possible, la fermentation est réalisée par des bactéries mésophiles aérobies et anaérobies qui opérant dans des conditions optimales de température, de PH et du rapport C/N. La première partie de la fermentation qui est acidogène se déroule principalement dans une cuve de fermentation aérobie appelée digesteur hydrolyseur acidogène où proliférant les colonies de bactéries acidogènes. La deuxième partie de la fermentation qui est acétogène se déroule dans une autre cuve de fermentation étanche appelée digesteur accélérateur secondaire acétogène anaérobi et comprenant des surfaces fixes de contacts ou prolifèrent les colonies de bactéries acétogénes. La troisième partie de la fermentation qui est méthanogène se déroule dans une autre cuve des fermentation étanche appelée digesteur accélérateur tertiaire méthanogéne anaérobi similaire au deuxième, et conprenant des surfaces de contacts fixes ou proliférant les colonies de bactéries méthanogènes. L'eau résiduaire est traitée dans une station d'épuration avant son rejet à l'exterieur où son utilisation dans l'usine.
Patent CA-2258373-A1 (CA)
Title: Process for the preparation of acrylate and methacrylate polymers
Inventor: MISHRA MUNMAYA K
IPC: C08L53/00
Filed: 1999-01-05
Abstract: A continuous process for the preparation of linear, branched and star-polymers via anionic polymerization of acrylic monomers, linear, branched and star-polymers obtained by the process and lubricating oil compositions thereof.
Patent CA-2258643-A1 (CA)
Inventor: MEYER AXEL
IPC: C11D3/20
Filed: 1997-06-24
Abstract: Disclosed is a nonaqueous liquid detergent composition comprising an enzyme particle, said composition having an average particle size of the enzyme particle of less than 600 microns.
Patent CA-2260335-A1 (CA)
Title: Substitute bait fish component for fishing lures
Inventor: MACPHERSON GERALD M
IPC: A01K85/14
Filed: 1999-01-25
Abstract: The substitute component is made of two mating layers of VELCRO (TM) material shaped in planform to resemble the body of a bait fish. The component can be manipulated during or after assembly to curve it to cause it to simulate the motions of an injured fish as it moves through water. The layers can be impregnated with material which provides fish attracting odors.
Patent CA-2261149-A1 (CA)
Title: Procede d'augmentation de la conductivite de la polyaniline au moyen de tensioactifs ioniques
Inventor: KINLEN PATRICK J
IPC: H01B1/12
Filed: 1997-07-25
Abstract: Procédé d'augmentation de la conductivité de la polyaniline. Le procédé consiste à mettre la polyaniline en contact avec un tensioactif ionique qui permet d'augmenter au minimum la conductivité de la polyaniline d'un facteur voisin de 2. L'invention concerne aussi un procédé de préparation de compositions de revêtement.
Patent CA-2267994-A1 (CA)
Inventor: WILDER CHERYL L
IPC: C12R1/19
Filed: 1997-08-13
Abstract: The present invention provides purified and isolated polynucleotide sequences encoding human plasma platelet-activating factor acetylhydrolase. Also provided are materials and methods for the recombinant production of platelet-activating factor acetylhydrolase products which are expected to be useful in regulating pathological inflammatory events.
Patent CA-2269102-A1 (CA)
Inventor: FIEDLER ROBERT L
IPC: G05D23/02
Filed: 1999-04-23
Abstract: An engine coolant thermostat of the type having a thermally expansible wax power element acting against a diaphragm and piston to move a poppet. The poppet has a retainer attached thereto which has portions sliding in slots on the thermostat housing; and these portions contact the ends of the slots to limit piston travel in the event of exposure to overtemperature and prevent failure of the thermostat.
Patent CA-2271584-A1 (CA)
Title: Multi task grinding wheel machine
Inventor: FABRIS MARIO
IPC: B24B19/02
Filed: 1999-05-12
Abstract: This application describes a grinder for grinding a workpiece situated so as to be accessible to two separate grinding wheels simultaneously. A grinding operation may be carried out on a workpiece to simultaneously grind different profiles on the workpiece without removal from the workpiece spindle.
Patent CA-2274625-A1 (CA)
Title: Dispositif de lecteur optique pour codeur optique haute resolution
Inventor: GAUMET DANIEL
IPC: G01D5/347
Filed: 1999-06-07
Abstract: La présente invention concerne un dispositif de lecteur optique pour codeur optique haute résolution. Ce dispositif de lecteur optique pour codeur optique haute résolution , comprenant des moyens (10) d'émission d'un faisceau (22) lumineux, des moyens (11) de réception de ce faisceau, un disque (40) dont on cherche à déterminer la position angulaire, des moyens (21, 20) réfléchissants pour dévier, vers les moyens (11) de réception, le faisceau (22) émis par les moyens (10) d'émission, et des moyens (30) de diffraction du faisceau (22) disposé sur le disque (40) du codeur, est caractérisé en ce que les moyens (10) d'émission et les moyens (11) de réception du faisceau sont situés sur un même plan (12) parallèle au disque (40) du codeur, le disque (40) est disposé entre, d'une part le plan (12) contenant les moyens (10) d'émission et les moyens (11) de réception et, d'autre part les moyens (20, 21) réfléchissants, les moyens (20, 21) réfléchissants comprenant au moins deux surfaces (20, 21) réfléchissantes, chaque surface formant un angle déterminé avec le plan (12) contenant les moyens (10) d'émission et les moyens (11) de réception, les moyens (10) d'émission et les moyens (11) de réception étant alignés sur un rayon du disque (40).
Patent CA-2277734-A1 (CA)
Title: Magnetic field generator for mri, method for assembling the same, and method for assembling a magnet unit for the same
Inventor: HASHIMOTO SHIGEO
IPC: G01R33/38
Filed: 1999-07-20
Abstract: A plate yoke has an upper surface formed with a projection and a guiding rail. A new magnet block is transported by sliding on the upper surface of the plate yoke, and is bonded side by side with the projection or a magnet block which is already fixed. During the above operation, a magnetic member is held above the plate yoke. Preferably, the new magnet block is transported toward a corner portion, with side surfaces of the magnet block held parallel to a side surface of the projection and a side surface of the guiding rail respectively. When the magnet unit and the column yoke is connected, the column yoke or the magnet unit is lowered so that a guiding rod attached to an end face of the column yoke is inserted into a hole formed in the magnetic unit. Further, the column yoke is guided by a guiding member disposed between a permanent magnet on the plate yoke and a position where the column yoke is to be connected on the plate yoke.
Patent CA-2278063-A1 (CA)
Title: Storage rack for hockey sticks
Inventor: BOULET RICHARD
IPC: A63B71/02
Filed: 1999-07-19
Abstract: A storage rack for hockey sticks each having a shaft portion and a blade portion, the storage rack comprising a base having a blade support portion to support the hockey stick blade, an upwardly extending post, and a plurality of spaced guide members extending outwardly therefrom to define a plurality of shaft receiving recesses each being arranged in size to support a hockey stick shaft. The storage rack provides an aesthetic convenient place to store hockey sticks in dressing rooms and the like.
Patent CA-2281882-A1 (CA)
Inventor: FUNG KARL
IPC: A61G7/10
Filed: 1998-03-27
Abstract: A personal apparel support system including a lifting mechanism having a cable that extends from a support portion positioned above the shoulders of the user. The cable has at least one counterweight attached to the cable on one side of the support portion. The lifting mechanism is attached to and supported by a lateral maneuvering device that preferably includes a base with a plurality of rollers attached thereto. A link interconnects the cable to an item of personal apparel, such as a radiology apron. A steering handle is slidably mounted on the main mast of the support system to steer and move the support system by the health care provider wearing the personal apparel attached thereto.
Patent CA-2282445-A1 (CA)
Title: Grille de filtrage
Inventor: HOHL JUERGEN
IPC: E03F5/14
Filed: 1998-02-25
Abstract: L'invention concerne un procédé pour vidanger les matières solides d'un courant d'effluents au moyen d'un tamis à bande. Elle se caractérise principalement par le fait que la section de passage des éléments de tamisage est réglée ou commandée. Par ailleurs, l'invention concerne une grille de filtrage pour la mise en oeuvre du procédé. Cette grille comprend deux chaînes (2) latérales, entre lesquelles s'échelonnent les éléments de tamisage constitués de tôle perforée (3). La grille de filtrage a ceci de caractéristique que chaque élément de filtrage (3) est constitué de deux tôles perforées (3a, 3b) superposées et déplaçables l'une par rapport à l'autre.
Patent CA-2282949-A1 (CA)
Inventor: BUESCHKEN WILFRIED
IPC: C07C31/125
Filed: 1999-09-15
Abstract: The invention relates to a process for the hydrogenation of reaction mixtures from the hydroformylation of C5 to C24 olefins using hydrogen on fixed catalysts at elevated temperature, in which the aldehydes, alcohols, formates and low-boilers are evaporated from the reaction mixture and passed in the vapor state over a support-free Cu/Cr catalyst.
Patent CA-2285035-A1 (CA)
Inventor: SCHMALTZ STEVEN
IPC: E21B17/18
Filed: 1999-10-01
Abstract: A dual tubing adapter for use in wells producing fluid comprises a Y-block having a top surface and a bottom surface.      A drive aperture extends from the top surface to the bottom surface. A production aperture extends from the top surface to at a mid-point of the drive aperture. Means are provided to connect a pump to the bottom end of the drive aperture such that fluid pumped thereby enters the bottom end of the drive aperture. A drive tubing string is connectable to the top end of the drive aperture, and a production tubing string is connectable to the top end of the production aperture . A seal is operational to prevent fluid pumped by the pump into the bottom end of the drive aperture from reaching the top end of the drive aperture, thereby directing same up through the production aperture. Means to drive the pump passes through the seal and the drive aperture. A system using the adapter is also disclosed.