baber/WOPTO huggingface dataset:
Patent CA-2117620-C (CA)
Inventor: BOURKE PETER G
IPC: B03D1/20
Filed: 1994-09-01
Granted: 1999-11-02
Abstract: A flotation device (1) which includes a tank (2) to contain a slurry (3) incorporating minerals which are to be extracted.  Aeration of the slurry (3) by suitable means in the device produces a zone (11) of mineralised froth above the slurry (3).  A launder (15) directs the mineralised froth away from the tank (2).  At least one porous diffusion surface (16) in direct contact with the froth dispenses a washing liquid directly into the froth zone (11).
Patent CA-2136133-C (CA)
Title: Improved manufacture of electrodes
Inventor: FROST JONATHAN C
IPC: H01M8/02
Filed: 1994-11-18
Granted: 2005-08-23
Abstract: An electrode suitable for use in fuel cells, for example in solid polymer fuel cells, comprises a non-uniform electrode layer and has improved electrochemical performance
Patent CA-2143683-C (CA)
Title: Improved connector for medical procedures and methods for manufacturing same
Inventor: LO YING-CHENG
IPC: B29K27/12
Filed: 1994-07-06
Granted: 2002-05-14
Abstract: A method for creating a plastic component con-structed, at least in part, from polychlorotrifluoroethy-lene, having improved properties, comprising the steps of: creating a compound from a composition that com-prises polychlorotrifluoroethylene; heating the compo-nent to a temperature that is greater than the melting point of the composition; and rapidly quenching the component in a cold medium.
Patent CA-2147570-C (CA)
Title: Pilot device for a suspended knife of a cutting machine for cutting sheet material
Inventor: GALAN MARIO ANDRADA
IPC: A41H43/00
Filed: 1995-04-21
Granted: 2005-01-25
Abstract: Pilot device for a suspended cutting knife of a cutting head of an automatically controlled cutting machine for cutting fabric sheet material spread out on a cutting table in multiple layers, which cutting head being controlled according to a three-dimensional coordinate system by means for moving the cutting head along the X- and Y- axis and pivoting about the Z-axis for moving the knife tangently along a predetermined cutting path during cutting of said material, said cutting knife is mounted reciprocally movable along said Z-axis, said cutting head further comprises guiding means for guiding the unsuspended part of the cutting knife in the cutting head and a presserure foot rigidly connected to the pivotable cutting head. The suspended end of the knife (10) is mounted in the cutting head freely rotatable around the Z-axis, and the guiding means arranged adjacent to the free end of the knife comprising a socket (53) rigidly connected to the cutting head having a support (60) being freely rotatable mounted in said socket (53) around a vertical axis (6) located in front and adjacent to the cutting edge (11) of said cutting knife and parallel in a predetermined distance to the Z-axis (5) of the coordinate system. Said support (60) having a slot (61) surrounding the flanks (12, 13) of the knife (1), which slot (61) is excentrically positioned to said vertical axis (6) and extends to the trailing edge (12) of the knife and comprising sensor means (58) for detecting the instantaneous rotation angle and/or its direction of the support relative to the socket (53) and providing correcting signals for controlling the movement of the knife (10) about the Z-axis to regulate the cutting of the material by the knife along the predetermined cutting path in response to the detected rotation angle; Fig. 6
Patent CA-2148068-C (CA)
Title: Door system
Inventor: KUYAMA KAZUO
IPC: E06B3/34
Filed: 1995-04-27
Granted: 1999-01-05
Abstract: A door is mounted within a doorway to be pivotal about a pivot axis disposed close to and along one of side surfaces of the doorway to selectively open and close the doorway.  A guide roller protrudes toward the upper surface of the doorway from the upper edge of the door at a location remote from the location of the pivot axis when the door is closed.  A guide rail extends along the length of the upper surface of the doorway for guiding the guide roller along the length of the upper surface of the doorway.  The guide rail is pivotal about the pivot axis.  Means is provided to disengageably engage the guide rail with the upper surface of the doorway.
Patent CA-2153456-C (CA)
Title: Continuous preparation of cyclohexene by partial hydrogenation of benzene
Inventor: GAUBE JOHANN
IPC: C07C13/20
Filed: 1995-07-07
Granted: 2006-07-04
Abstract: Cyclohexene is prepared by partial hydrogenation of benzene with hydrogen in the presence of water and a ruthenium catalyst at elevated temperatures and superatmospheric pressure by a continuous process in which benzene is introduced in gaseous form and the resulting cyclohexene is discharged in gaseous form and the catalyst is present in solution or suspension in a liquid, aqueous phase.
Patent CA-2159336-C (CA)
Inventor: AXE JOHN R
IPC: A62B7/00
Filed: 1994-04-14
Granted: 2007-04-10
Abstract: A method and device for controlling sleep disorder breathing utilizes variable multiple level pressures. A pressure source (43) supplies compressed breathable gas at a relatively low pressure to the user's airway. Pressure transducers (45, 48) monitor pressures and convert them into electrical signals. The electrical signals are filtered and processed (49, 55) to extract specific features such as duration and energy levels. If these features exceed selected threshold values for duration and energy level over a minimum period of time, then the microprocessor (57) declares the presence of sleep disorder breathing. If a selected number of these events occur within a selected time period, then the microprocessor adjusts the pressure delivered by the pressure source. If sleep disorder breathing is not detected within a certain time period, then the microprocessor lowers the pressure level gradually.    The device and method disclosed in this patent is capable of detecting apnea, hypopnea, and pharyngeal wall vibration. Further, it is able to distinguish between obstructive, central and mixed apnea and hypopnea.
Patent CA-2159580-C (CA)
Inventor: WHITE RICHARD KEIM
IPC: A61K47/32
Filed: 1994-04-06
Granted: 1999-05-11
Abstract: The present invention describes a product comprising at least one pharmaceutically acceptable active in a mixture of a tri-ester and polyvinylpyrrolidone, and a process for producing the same. In further embodiments, the present invention also relates to a process for encapsulating the composition within soft gelatin shells. The resulting compositions and capsules provide an effective means for oral delivery of a wide variety of pharmaceutically actives.
Patent CA-2159686-C (CA)
Inventor: THOMAS KENNETH G
IPC: C22B3/04
Filed: 1995-10-02
Granted: 2000-09-12
Abstract: A process for recovering gold from a refractory auriferous ore containing sulfide sulfur. An aqueous slurry of refractory auriferous ore is subjected to pressure oxidation in an autoclave while the distribution of oxygen to the various compartments of the autoclave is controlled in order to achieve increased oxygen utilization.
Patent CA-2166983-C (CA)
Title: Determining hemodynamic variables from a pressure sensor
Inventor: CARNEY JAMES K
IPC: A61B5/0215
Filed: 1994-06-21
Granted: 1999-10-05
Abstract: A system and method for determining the hemodynamic status of a heart patient detects pulmonary artery systolic and diastolic pressure as well as right atrial systolic and diastolic pressure from pressure measurements obtained from a single absolute pressure sensor implanted in the patient's right ventricle.
Patent CA-2167958-C (CA)
Inventor: ALLEN JOHN J JR
IPC: B60T13/66
Filed: 1996-01-24
Granted: 2002-04-30
Abstract: A computerized locomotive control system receives as inputs electrical signals representing automatic and   independent  braking  control   signals   from controllers and pipe pressures and has a computer for determining,  from  said  input  signals,  electrical signals  representing  desired  braking  and  pipe pressures.  The computer in the lead locomotive uses the independent application and brake pipe pressure to control the brake cylinder pressure except where the independent application and release brake pipe has been tested as a fault or during the initial buildup of the independent application brake pipe.   In this instance,   independent   application   and   release controller position is used to control the brake cylinder pressure.
Patent CA-2169001-C (CA)
Inventor: TARANOWSKI MICHAEL GEORGE
IPC: H01H36/00
Filed: 1996-02-07
Granted: 2001-03-20
Abstract: A capacitance change switch with a resiliently deformable conductive pad compressible against a dielectric coating on the surface of a pair of spaced coplanar thin foil plates formed on a refractory substrate. The pad forms with the plates a pair of capacitors electrically in series. User movement of an actuator causes pad compression and a significant electrically detectible change in capacitance for effecting a switching function. In one embodiment the pad is formed of conductive elastomer and in another embodiment the pad is formed of non-conductive elastomer with a conductive foil covering.
Patent CA-2173507-C (CA)
Inventor: HULTIN STIGENBERG ANNA
IPC: C21D6/00
Filed: 1994-10-05
Granted: 2005-09-06
Abstract: L'invention concerne un alliage métallique durci par précipitation. Le durcissement est fondé sur la précipitation de particules ayant une structure quasi-cristalline, ladite structure étant essentiellement maintenue pendant un vieillissement d'une durée pouvant atteindre 1000 h et des traitement de revenu à une température pouvant atteindre 650 ~C. Ce durcissement entraîne une augmentation de la résistance à la traction d'au moins 200 MPa.
Patent CA-2173802-C (CA)
Title: Integrated steam methane reforming process for producing carbon monoxide and hydrogen
Inventor: HUFTON JEFFREY RAYMOND
IPC: C01B32/40
Filed: 1996-04-10
Granted: 1999-11-30
Abstract: The present invention is a process for producing an essentially pure carbon monoxide (CO) product and an essentially pure hydrogen product by reforming a hydrocarbon such as methane and steam in the presence of a reforming catalyst to produce a reformate product enriched in CO, carbon dioxide and hydrogen. The reformate is subjected to an integrated series of separation steps and carbon dioxide present in a portion of the waste effluent recovered from such series of spearation steps is shifted to CO in an integrated sorption enhanced reaction (SER) process.
Patent CA-2176724-C (CA)
Inventor: SAYERS IAN CHRISTISON
IPC: B01D71/02
Filed: 1994-11-16
Granted: 2003-05-13
Abstract: A phase separation apparatus such as a filter element or papermaking belt co mprises an ormocer which provides abrasion resistance, cleanliness and stability.
Patent CA-2180501-C (CA)
Title: Statoreacteur pour aeronef a vol supersonique et/ou hypersonique
Inventor: CHEVALIER ALAIN
IPC: F02K1/78
Filed: 1996-07-04
Granted: 2006-11-21
Abstract: La présente invention concerne un statoréacteur pour aéronef à vol supersonique et/ou hypersonique, destiné à fonctionner sur une large plage de vitesses, du type comportant : . une entrée de comburant, . au moins un injecteur de combustible, . un corps, dans lequel sont effectués le mélange combu- rant-combustible destiné à être brûlé et la canalisation des gaz résultant de cette combustion, . au moins une paroi dudit corps étant constituée, au moins partiellement, de plaques (12) reliées entre elles par des articulations. - Selon l'invention, le statoréacteur comprend des premiers moyens (19, 22) de soufflage de fluide montés au niveau desdites articulations (13), pour assurer le refroidisse- ment de celles-ci.
Patent CA-2183504-C (CA)
Title: Side panel assembly for a motor vehicle body
Inventor: KLEINHANS KLAUS
IPC: B62D25/04
Filed: 1996-08-16
Granted: 2002-06-25
Abstract: A side panel assembly for a passenger motor vehicle body is assembled of two side panel parts which complement one another at least in a side member area to a hollow profile which is visible to the outside and forms the side member.  The side panel assembly extends at least from an A-column to a rear wheel mounting in the longitudinal direction of the vehicle to the rear.  The assembly has a side panel structure as well as a side panel planking.
Patent CA-2184453-C (CA)
Title: Optical device formed with grating therein, add/drop filter using same, and method of fabricating same
Inventor: UETSUKA HISATO
IPC: G02B6/124
Filed: 1996-08-29
Granted: 2001-01-16
Abstract: A width of a core in an optical waveguide is decreased in accordance with a predetermined value, as a distance of a position of the core to the centre position thereof is decreased. Consequently, a rectangular spectrum property having no ripple is obtained on a lower wavelength side in a reflection grating. In addition, the width of the core is changed at the position Z in the direction of light propagation, while UV light is radiated to the core, so that a periodically-striated distribution of refractive indices having an envelope which is changed in accordance with a value of "¦sin(C~Z)¦/¦C~Z¦" is formed in the core of the optical waveguide, and the phase of light to be propagated in the direction of light propagation is shifted at the position Z as defined below by .pi..        Z=m.pi./C(m=...,-3,-2,-1,1,2,3,...) Thus, a rectangular spectrum property is obtained in a low-reflection grating.
Patent CA-2187736-C (CA)
Inventor: AOYAMA HIROKAZU
IPC: B01D12/00
Filed: 1995-04-10
Granted: 2004-02-03
Abstract: Composition azéotrope renfermant un cis-1,1,2,2,3,4-hexafluorocyclobutane et au moins un composé choisi dans le groupe suivant: méthanol, éthanol, isopropanéol, n-propanol, tert-butanol, cyclopentane, n-octane, iso-octane, n-heptane et méthylcyclohexane; et détergent, agent de déshydratation et agent gonflant renfermant cette composition. Cette composition présente l'avantage de n'exercer que peu d'effets indésirables sur les matières plastiques et de présenter d'excellentes capacités comme détergent tout en portant peu atteinte à la couche d'ozone, ce qui en fait un substitut du chlorofluorocarbone.
Patent CA-2190843-C (CA)
Title: Long wavelength, vertical cavity surface emitting laser with vertically integrated optical pump
Inventor: JAYARAMAN VIJAYSEKHAR
IPC: H01S5/183
Filed: 1996-03-11
Granted: 2000-05-16
Abstract: A long wavelength VCSEL (40) according to the present invention is optically coupled to and optically pumped by a shorter wavelength, electrically pumped VCSEL (43). Short wavelength radiation emitted from the top surface (33) of the underlying VCSEL is transmitted through the lower mirror (36) of the long wavelength VCSEL. Long wavelength radiation is preferably emitted from the top surface of the long wavelength VCSEL (40). The two VCSELs are preferably joined together using a transparent optical adhesive, a wafer-fusing process, or a metal to metal bond.
Patent CA-2191115-C (CA)
Inventor: BLAKE JULIAN G
IPC: H01J37/317
Filed: 1996-11-22
Granted: 2002-02-05
Abstract: A method of capturing and removing contaminant particles moving within an evacuated interior region of an ion beam implanter is disclosed. The steps of the method include: providing a particle collector having a surface to which contaminant particles readily adhere; securing the particle collector to the implanter such that particle adhering surface is in fluid communication to the contaminant particles moving within the interior region; and removing the particle collector from the implanter after a predetermined period of time. An ion implanter in combination with a particle collector for trapping and removing contaminant particles moving in an evacuated interior region of the implanter traversed by an ion beam is also disclosed, the particle collector including a surface to which the contaminant particles readily adhere and securement means for releasably securing the particle collector to the implanter such that the particle adhering surface is in fluid communication with the evacuated interior region of the implanter.
Patent CA-2194571-C (CA)
Title: Novel amylolytic enzymes derived from the b. licheniformis .alpha.-amylase, having improved characteristics
Inventor: VAN DER LAAN JAN METSKE
IPC: C12N1/21
Filed: 1995-05-02
Granted: 2009-02-24
Abstract: The present invention relates to novel amylolytic enzymes having improved characteristics for the use in starch degradation, in textile or paper desizing and in household detergent compositions. The disclosed .alpha.-amylases show surprisingly improved properties with respect to the activity level and the combination of thermostability and a higher activity level. These improved properties make them more suitable for the use under more acidic or more alkaline conditions. The improved properties allow also the reduction of the Calcium concentration under application conditions without a loss of performance of the enzyme.</S DOAB>
Patent CA-2194827-C (CA)
Title: Rubber building panel and method of manufacturing same
Inventor: CIAO ANGELO
IPC: B01F27/91
Filed: 1997-01-10
Granted: 2005-02-01
Abstract: The present invention relates to the use of rubber fragments from discarded tires in building panels, including panels suitable for house construction. A rubber panel is constructed of metal frame members, using a metal mesh on the interior for structural strength and support, and ground up rubber fragments which may contain strands of steel or other metal or fibre reinforcing materials present in tires. These fragments are mixed with an appropriate glue and bonded together to ensure the structural integrity of the panel. Different types of panels are made wherein a window or door frame is mounted at a suitable location.      The method of manufacturing a rubber panel includes the steps of preforming a metal frame with mesh covering enclosed area, mixing an appropriate glue with shredded vehicle tires to form a mixture, place the mixture over the mesh, clamping the panel and placing it under pressure by a press and maintaining the pressure until the glue has set. Fine rubber particles or a cement mixture can be applied over at least one exterior surface to create a smooth surface.
Patent CA-2201008-C (CA)
Inventor: ANGELO GERALD J
IPC: B60J3/00
Filed: 1997-03-25
Granted: 2000-10-10
Abstract: A sun visor (10) for mounting upon a vehicle (16) without drilling special holes or providing added mounting brackets. The visor (10) includes a visor body (12) configured for mounting adjacent the vehicle's front windshield (18). Light apertures (20) are preferably included in the visor body (12). At least one mounting extension (14) extends rearwardly from the visor body (12) to form a mount . The mounting extension (14) also forms a portion of an enclosure . Light is conveyed to the light apertures (20) such as through the enclosures. A mounting connection (34) is used to provide a mechanical connection between the mounting extension (14) and a clearance light fixture (24) or feature formedon the vehicle cab (16).
Patent CA-2205614-C (CA)
Inventor: BREGGIN DAVID G
IPC: G06F9/44
Filed: 1997-05-15
Granted: 2000-12-26
Abstract: Custom user help information distinctive of a customer's computing environment is made available to users of a software system through the system'shelp facility. Creators of the software system (110) include an uncompressed modifiable and user-accessible "custom information" user help file (113) in the software system, but leave the user help file empty, devoid of any custom information. For installation of the software system at a particular customer's site (101), a user or an administrator (115) of the site populates the user help file with the custom information distinctive of that site, and thereby makes the information a part of the software system. Users of the software executing at the site can then access the custom information in the user help file by selecting a pointer (114) to that user help file from a help menu (112) of the executing software system, just like any other user help information.
Patent CA-2216107-C (CA)
Title: A polytetrafluoroethylene catalyst retaining apparatus and method of making and using same
Inventor: BUSHONG JAMES H
IPC: B01D53/88
Filed: 1996-04-19
Granted: 2000-12-05
Abstract: The present invention is an improved apparatus and method for using a catalyst to remove contaminants from a fluid stream. Catalytic particles are enmeshed within a highly porous expanded polytetrafluoroethylene (PTFE) substrate. The use of an expanded PTFE substrate provides added strength to the substrate and provides open and uniform porosity, thus, assuring proper exchange of molecules between the exterior surface of the substrate and the catalytic particles held within it. As such, the present invention is particularly suitable for use as a cross-flow filter for use in ozone generating office equipment (e.g., an electro-static photocopy machine) or similar application requiring minimal pressure drop across the filter unit.
Patent CA-2221683-C (CA)
Inventor: HEDGES THOMAS M
IPC: G01V8/10
Filed: 1996-05-13
Granted: 2001-10-09
Abstract: La présente invention concerne un système et un procédé perfectionnés permettant des prises de vues aériennes panoramiques directes en numérique. Un détecteur électro-optique direct (80) fonctionnant conjointement avec une unité de traitement des données (82), une unité de commande (84) et une unité d'archivage en temps réel (86), permet d'éliminer le besoin de transporter le film photographique et le boîtier utilisés normalement dans les appareils de prise de vue classiques destinés à la reconnaissance aérienne, et de conserver la qualité de résolution de l'image très élevée nécessaire dans les opérations de renseignement, les systèmes d'information géographique du commerce et la cartographie ou d'autres applications de détection à distance. Des informations géographiques précises sont fournies à la caméra par des systèmes d'aide à la navigation aérienne tels que le système GPS (14) et un récepteur GPS (85) transporté sur une plate-forme aérienne. La caméra panoramique selon la présente invention est plus simple, plus efficace et moins coûteuse car elle est constituée de lentilles à foyer linéaire plus simples et moins chères combionées à un système de détecteurs électro-optiques linéaires.
Patent CA-2221922-C (CA)
Title: Self-cleaning, abrasion-resistant, laser-imageable lithographic printing constructions
Inventor: KEARNEY FREDERICK R
IPC: B41C1/10
Filed: 1997-11-24
Granted: 2004-01-27
Abstract: Wet lithographic printing plates include a protective layer that provides protection against handling and environmental damage, extends plate shelf life, and entrains debris generated by ablation. The layer washes away during the printing make-ready process, effectively cleaning the plate and disappearing without the need for a separate removal process.