baber/WOPTO huggingface dataset:
Patent CA-2118297-C (CA)
Title: Distributed cryptographic object method
Inventor: SHANTON M GREG
IPC: G06F12/14
Filed: 1994-10-17
Granted: 1999-07-13
Abstract: A system for increasing the security of a computer system, while giving an individual user a large amount of flexibility and power.  To give users the most power and flexibility, a standard object that has the capability to embed objects is used.  To allow users ever. more flexibility, a standard object tracking mechanism is used that allows users to distribute multiple encrypted embedded objects to other individuals in a single encrypted object.   By effecting compartmentalization of every object by label attributes and  algorithm  attributes,  multi-level  multimedia  security  is achieved.
Patent CA-2118799-C (CA)
Inventor: HUNKLINGER HERBERT
IPC: F04B17/04
Filed: 1992-09-03
Granted: 2001-12-04
Abstract: A piston diaphragm pump for delivering doses of liquids, in particular surfactants, wetting agents or the like, has a pump piston movably guided in a pump tube that encloses the pump pressure chamber, and can be electromagnetically driven against the force of a return spring by a magnetic coil that surrounds the pump tube. In addition, a pump diaphragm that is peripherically clamped to the pump housing and faces on one side the pump suction chamber, is rigidly connected on the suction side to the pump piston. A longitudinal bore, within which is arranged a pump piston provided with a piston valve, extends centrally through the pump diaphragm and links the pressure chamber to the suction chamber. In order to obtain the same pump capacity with reduced pump lifts, without the need for providing a specially sealed guidance of the pump piston in the pump tube, the working chamber locted on the side of the pump diaphragm opposite to the suction chamber is designed as an additional pump pressure chamber that is constantly connected to the piston longitudinal bore that leads to the pump tube pressure chamber by cross-channels arranged in the pump piston behind the piston valve.
Patent CA-2126043-C (CA)
Inventor: WILSON GEORGE E
IPC: F04D29/22
Filed: 1994-06-16
Granted: 2001-04-10
Abstract: A centrifugal pump of the type adapted to pump high consistency fiber suspensions includes impeller vanes having portions which are immediately adjacent the fiber suspension in the interior of a vessel from which the suspension is to be pumped. The pump additionally includes a sideplate which is mounted directly to the vessel containing the fiber suspension so as to permit the impeller of the pump to be brought in close proximity to the fiber suspension in the vessel. The sideplate additionally includes elongated portions that extend along the outer contour of the vanes of the impeller to determine the directions from which fiber suspension enters the impeller of the pump.
Patent CA-2130979-C (CA)
Title: Protected programmable memory cartridge and computer system using same
Inventor: COMBS JAMES LEE
IPC: G06F21/14
Filed: 1994-08-26
Granted: 1999-09-07
Abstract: A computer system for high-performance video and audio manipulations comprising a locked memory cartridge and an audio/video/compact disk (CD) drive controller/coprocessor.      The computer system has a central processing unit (CPU) with at least one bus associated therewith, with the bus having at least one bus line. The cartridge comprises a readable memory, a memory control circuit, a lock control circuit, and a connector all in circuit communication with each other. The connector allows the memory, the memory control circuit, and the lock control circuit to be pluggably connected in circuit communication with the CPU. The memory control circuit scrambles some of the bus lines, thereby scrambling the data in the memory on reset, and unscrambles the bus lines responsive to inputs from the lock control circuit. The lock control circuit monitors the bus, waiting for a proper combination of bus values to be asserted onto the bus, at which time the lock control circuit causes the memory control circuit to unscramble the bus lines. The audio/video/CD drive controller/coprocessor comprises a CPU interface, a CPU cache, a memory controller, a memory bus arbitrator, a DRAM refresher, a video controller, a CD drive controller, a digital signal processor (DSP) sound coprocessor, and a "blitter" graphics coprocessor in an integrated package.
Patent CA-2132267-C (CA)
Inventor: KENNEDY E SCOT
IPC: F16G11/14
Filed: 1994-09-16
Granted: 1999-01-12
Abstract: A line tensioner includes a tensioner body and a first bore extending through the tensioner body.   A second bore extends through the tensioner body in a manner spaced from the first bore.  Also extending through the tensioner body are a third bore and a fourth bore which are spaced from the first and second bores as well as from each other.  A line extends through the four bores of the tensioner body. The length of the line can be selectively adjusted by movement of the tensioner body.  The desired length of line can then be tensioned in order to prevent a lengthening of the line.
Patent CA-2133917-C (CA)
Inventor: MCGREGOR WALTER
IPC: A61B17/06
Filed: 1994-10-20
Granted: 2007-01-02
Abstract: A taper point surgical needle having improved needle point strength is disclosed. In one embodiment of the needle, a tip portion includes first and second integral tapered regions having first and second cross-sectional areas respectively which decrease progressively toward the tip of the needle in accordance with first and second angles of inclination respectively, with the first angle being greater than the second angle. In another embodiment of the needle of the present invention, the tip portion includes a third tapered region integral with the second tapered region and having a cross-sectional area which decreases progressively toward the needle tip in accordance with a third angle of inclination which is smaller than the second angle.
Patent CA-2134652-C (CA)
Inventor: NYE RICHARD V
IPC: A61M16/04
Filed: 1993-04-15
Granted: 2004-08-24
Abstract: The present invention relates to tracheal tubes which are used to introduce gasses or vapors along the trachea, such as by an anesthesiologist during the administration of anesthesia to a patient undergoing surgery. In particular, the present invention relates to a tracheal tube which includes a flexible portion (30) that allows for movement of the proximal end (40) relative to the distal end (20) of the tracheal tube without creating stress at the proximal. or distal ends. The tracheal tube according to the present invention allows 360° access to the head and neck area of a patient, and allows for movement of the proximal end (40) of the tracheal tube during a surgical procedure without requiring re-intubation.
Patent CA-2144792-C (CA)
Title: Aqueous emulsion
Inventor: NAKAMAE MASATO
IPC: C09K23/52
Filed: 1995-03-16
Granted: 2000-05-02
Abstract: The present invention relates to an aqueous emulsion comprising a dispersant of a modified polyvinyl alcohol with an ethylene unit content of 2 to 9 mol% and a degree of hydrolysis of at least 95 mol%, a dispersoid of a polymer of an ethylenically unsaturated monomer, and a ratio (?2rpm/?20rpm) of Brookfield viscosity at 30°C, 2 rpm (?2rpm) as against Brookfield viscosity at 30°C, 20 rpm (?20rpm) being 1 to 1.8 when the latter viscosity (?20rpm) is adjusted to 5,000 to 10,000 mPaS.    The aqueous emulsion according to the present invention is excellent in structural viscosity (flowability, high speed application performance), provides coated layers with high water resistance and low-temperature stability, and can be suitably used extensively as an adhesive for paper, wood and plastics, as a binder for impregnated paper and non-woven products, as an additive for mortar, as a paint, and in paper and fiber processings.
Patent CA-2147650-C (CA)
Title: Selectively actuatable lighter
Inventor: MCDONOUGH JAMES M
IPC: F23Q2/28
Filed: 1993-10-22
Granted: 2001-09-11
Abstract: A selectively actuatable lighter device (10) is disclosed which includes a body defining reservoir (12) for containing a com-bustible gaseous medium such as butane, and having a valve (20) arranged to be selectively actuated between a normally closed position and an open position which permits the exit of the gaseous medium.  Such lighter (10) can selectively produce sparks at a location (19, 22) proximate to the gaseous medium exit to ignite the gaseous medium. Such lighter device (10) embodies a resi-liently releasable valve actuator (14) which normally prevents actuation of the valve (22). The valve actuator (14) includes an inter-fering portion (14A) which is selectively movable to a position out of interference with an interfering portion (12B) of the lighter body, so that the gaseous medium may be released and ignited by the sparks.  Once the valve actuator (14) is depressed and re-leased, it returns to its closed or latched position to prevent actuation of the valve to the open position. To "re-use" the lighter, the valve actuator (14) must again be moved to an unlatched position so that the valve (22) can be actuated for subsequent ignition of the gaseous medium.
Patent CA-2149434-C (CA)
Title: Digester for continuous cooking of fibre material
Inventor: OULIE FINN
IPC: D21C3/24
Filed: 1993-04-08
Granted: 2004-07-13
Abstract: The present invention relates to a digester for continuous cooking under raised pressure and temperature of fibre material in a vertical digester (1), where input of fibre material and cooking liquid takes place at the top of the digester, withdrawal of spent cooking liquor is carried out from at least one digester screening arrangement (1D) between the top and the bottom of the digester, and fibre material is fed out from the bottom (1C) of the digester, and at least one screening arrangement (2) in the lower half of the digester, wherein at least one of said screening arrangements (1, 2) has at least one screen element (2A) of which the main configuration is of angular shape, preferably rectangular, most preferred square, having a screen face (3A) of which the total area is less than 1m2, and which is attached to the digester wall (1A) in a manner to form a sealed volume (V) from which liquid only can be supplied and withdrawn via said screen face (3A) and an inlet and outlet means (15) respectively which outlet means penetrates the digester wall (1A).
Patent CA-2149963-C (CA)
Inventor: KRAMPITZ MARK S
IPC: F16D66/00
Filed: 1995-05-23
Granted: 2000-01-04
Abstract: A visual brake cylinder piston travel indicator for a railroad car having a brake cylinder device located remotely from a convenient viewing area. An indicator rod is suitably sized and configured to extend from the remote brake cylinder device to the viewing area where the brake cylinder piston travel may be determined by the relationship of the indicator rod end with respect to a reference point. At the brake cylinder device, the indicator rod is connected to the piston hollow rod by a bearing assembly that includes the hollow rod collar. The bearing assembly provides for relative rotation between the indicator rod and hollow rod, while concurrently transmitting axial movement of the piston to the indicator rod, such relative rotation being necessitated by the fact that the piston and hollow rod typically rotate during reciprocal movement between a brake application and brake release position, due to torsional forces imparted by the piston return spring.
Patent CA-2153610-C (CA)
Inventor: ROBINSON EDGAR C
IPC: F23D11/36
Filed: 1995-07-11
Granted: 2006-03-14
Abstract: Un brûleur ayant un tube de brûleur et un porte-buse montés dans une extrémité du tube de brûleur. Un allumeur est positionné à l'intérieur du porte-buse et agit pour enflammer l'un des combustibles à liquides multiples qui peuvent être utilisés avec le brûleur. Une buse éjecte du combustible liquide atomisé sous l'effet de venturi de la buse, celle-ci étant alimentée en air comprimé. Des trous d'air primaires sont disposés sur toute la circonférence du porte-buse pour assurer l'admission radiale de l'air qui passe directement dans le tube de brûleur. Des trous d'air secondaires sont disposés sur toute la circonférence intérieure du tube de brûleur sur la plaque d'injection d'air secondaire pour assurer l'admission axiale de l'air dans le tube de brûleur.
Patent CA-2155452-C (CA)
Title: Dynamic focus circuit
Inventor: HWANG DONG SUN
IPC: H04N3/26
Filed: 1995-08-04
Granted: 2000-07-04
Abstract: A dynamic focus circuit for a cathode ray tube having a curved screen that corrects clearness difference between the central part and the corners of a screen caused by relative distance difference from an electron gun to the screen. This circuit corrects picture deterioration due to the focal length difference, using dynamic voltages included in vertical and horizontal parabolic wave signals.
Patent CA-2155476-C (CA)
Inventor: VIOLA FRANK J
IPC: A61B17/072
Filed: 1995-08-04
Granted: 2007-05-01
Abstract: A self contained powered surgical apparatus for applying surgical fasteners to body tissue is disclosed which includes a handle assembly, a gear motor assembly disposed within the handle assembly, a power source disposed within the handle assembly for energizing the motor assembly, an elongated body extending distally from the handle assembly, a cartridge assembly detachably connected to a distal end portion of the elongated body, and an elongated drive shaft extending through the elongated body and detachably coupling the motor assembly to the cartridge assembly.
Patent CA-2157277-C (CA)
Inventor: BUCHHOLZ HANS-VOLKER
IPC: B60J10/18
Filed: 1994-03-19
Granted: 2005-04-19
Abstract: A compound profile (43) consists of a fastening section (33) of a thermoplastic plastics material as well as profile sections (30,31) of elastomeric material, namely a profile section (30) of expanded rubber and a profile section (31) of soft rubber. All sections (30, 31, 33) are fixed to one another by co-extrusion and co-vulcanisation. The plastics material fastening section (33) assumes the function of the conventional metallic reinforcement of the compound profile (43). The compound profile (43) can be three-dimensionally shaped in that it is heated up to the plasticisation temperature of the fastening section (33), then is brought to the desired shape in a shaping tool, and in that shape is cooled until the fastening section (33) has again returned to its non-plastic state. One thus creates a profile part which is stable in shape.
Patent CA-2167258-C (CA)
Inventor: TRECHE RONALD
IPC: B25G1/06
Filed: 1996-01-15
Granted: 2005-11-15
Abstract: A hotstick component (40) has a fastening subassembly for securing the component to another component or a hotstick (10) and allowing reorientation of the component with respect to the hotstick while it is still attached. The component has a fastening end (24,44) with a through hole (37,58). A fastening subassembly includes a screw member (70) and a spring member (78). The screw member (70) is received through the through hole (37,58) and secures the other component thereto. The spring member (78) is received along the screw member (70) and maintains the component in an engaged position. The component is reoriented by moving it against the spring member into a disengaged position, readjusting the component's position, then allowing the spring member to push the component into an engaged position.
Patent CA-2168213-C (CA)
Title: Connecteur pour fixer une canule interne dans une canule externe
Inventor: STUART J MICHAEL
IPC: A62B9/00
Filed: 1994-08-08
Granted: 2005-11-08
Abstract: Dispositif pour trachéostomie comprenant une canule interne (14), une canule externe et une tête de connexion (21) munie de manettes pivotales (19) pour bloquer la canule interne (14) à l'intérieur de la canule externe (12).
Patent CA-2172041-C (CA)
Title: Process and device for determining an analyte in a sample
Inventor: COLIN BRUNO
IPC: G01N33/543
Filed: 1994-09-20
Granted: 1999-08-10
Abstract: A method for determining an analyte in a sample comprises the steps of: (i) providing the sample in liquid phase, the analyte comprising a ligand having at least one anti-ligand specific recognition site; (ii) providing at least one reagent containing metal particles in suspension in liquid phase and non-separable from said liquid phase by magnetic or electromagnetic means, each particle having a metal core to which at least one anti-ligand is fixed directly or indirectly; (iii) contacting the sample and the reagent, optionally with another reagent; (iv) placing the metal clusters in a magnetic field; (v) detecting the metal clusters to obtain a signal representative of the mass of metal in said clusters, correlated with the quantity of analyte in the sample initially, the mass of metal being detected using a magnetic or magnetisable sensor generating the field according to (iv), placed close to the sample and moved or subjected to a force caused by the assembled metal clusters, giving a movement or force signal representative of the metal mass of the clusters. A device for implementing the method is also disclosed.
Patent CA-2173458-C (CA)
Inventor: GRABENKORT RICHARD W
IPC: A61M16/06
Filed: 1994-10-11
Granted: 2006-01-03
Abstract: Procédé d'administration d'un anesthésique à un patient et appareil en circuit fermé ou à recirculation du gaz inhalé associé. Le procédé et l'appareil contrôlent la température du système pour l'empêcher de croître, notamment du fait de la réaction exothermique entre l'air expiré par le patient et un absorbeur qui en extrait un constituant donné. L'appareil comporte une enceinte contenant l'absorbeur et présentant un orifice amenant l'air expiré dansl'absorbeur selon un premier cheminement et un orifice d'évacuation de l'air de l'enceinte. L'appareil comporte également un second cheminement contigu au premier et reliant les deux orifices précités, où un fluide de refroidissement circule pour refroidir l'enceinte.
Patent CA-2184904-C (CA)
Inventor: HAAGA JOHN R
IPC: A61B10/02
Filed: 1994-11-07
Granted: 1999-04-27
Abstract: An improved, cone shaped puncturing/cutting tip (25) is provided for the inner cannula (12) or stylet of a biopsy needle. The cone shaped tip is defined by a frontal vertex co-incident with the center of the cannula or the stylet and a circular base (36) of diameter about equal that of the cannula or stylet. The surface of the cone shaped tip end includes at least three circumferentially  spaced, longitudinally extending cutting vane edges (40) extending from the vertex to the base.
Patent CA-2186688-C (CA)
Inventor: SOUSA ELVINO S
IPC: H04B7/06
Filed: 1996-09-27
Granted: 2005-08-30
Abstract: The present invention provides a bandwidth-efficient fading-resistant transmission scheme where a base station implements transmitter diversity using L antennas or L carrier frequencies or L time slots, regardless of the use of frame oriented power control. When the antennas or carriers are spaced sufficiently far apart, or when a different power is used for each power control frame, the transmission from each antenna or carrier or time frame undergoes independent fading. These transmissions are coordinated to mitigate the effects of Rayleigh fading and the mobile receiver can recover the entire L-dimensional transmitted vector as long as the signal energy of at least one coordinate is large enough. L-dimensional fading-resistant signal constellations are generated by maximizing a figure of merit for the Rayleigh fading channel. This scheme offers a significant performance improvement over a conventional single-antenna or single-carrier narrowband BPSK scheme when coding is ineffective due to slow fading. When there is background white Gaussian noise, the fading-resistant scheme has a significant energy savings advantage over an uncoded BPSK scheme, for a given bit error rate. In the forward link of a cellular network, where cochannel interference is the dominant source of noise, the fading-resistant scheme results in a significant capacity increase over uncoded BPSK, for a given bit error rate.      Both coherent and differentially coherent systems are disclosed.
Patent CA-2188824-C (CA)
Inventor: LYCAN GOODWIN A
IPC: B23Q3/18
Filed: 1996-10-24
Granted: 2003-09-30
Abstract: A fixture for aligning clamping pipes end to end to enable joining the pipes by welding includes a collar circumscribing one of the pipes and circumferentially spaced arms extending outwardly from the collar and then coaxially with the pipes. Pipe clamps are supported by each of the arms at approximately 120 degree intervals about the pipe. The stems of the clamps are supported by the arms such that proper orientation of the clamping shoes and guide members is assured. Furthermore, an extension of the stem which projects between the pipes and carries an inner guide member for engagement with the inner circumferential surface of the pipe has a differential thickness such that the pipes are initially separated by a predetermined thickness by engagement of the pipes with the necked portion of the extension for tack welding. After tack welding is complete, the stems are rotated 90 degrees, thereby bringing a narrower dimension of the necked portion into registry with the gap between the pipes, permitting withdrawal of the stems.
Patent CA-2191570-C (CA)
Inventor: NODA ISAO
IPC: C08G63/78
Filed: 1995-05-25
Granted: 2000-07-18
Abstract: The present invention relates to a process for recovering polyhydroxyalkanoate from a biological source material comprising the polyhydroxyalkanoate, the process comprising: a) comminuting the biological source material; b) air classifying the biological source material such that the polyhydroxyalkanoate particles are separated from other components of the biological source material; and c) recovering the polyhydroxyalkanaoate.
Patent CA-2191747-C (CA)
Inventor: LAUFER STEFAN
IPC: C07D517/04
Filed: 1995-05-31
Granted: 2007-01-23
Abstract: L'invention concerne des composés hétérocycliques de la formule (I) dans laquelle, R<1> à R<7>, B, a et X ont les notations mentionnées dans la description. Ces composés s'utilisent dans le traitement d'affections rhumatismales et dans le prévention de maladies d'origine allergique.
Patent CA-2195489-C (CA)
Inventor: GOLDEN GLENN DAVID
IPC: H04B7/26
Filed: 1997-01-20
Granted: 2001-05-08
Abstract: An apparatus for performance improvement of a burst mode digital wireless receiver comprises a processing circuit for processing a plurality of received signals and providing a processed signal and a delay circuit for introducing a predetermined delay to the processed signal. The delay circuit is coupled to the processing circuit. The predetermined delay is such that the processed signal is delayed to correspond with a later data burst. The processing circuit weights and combines the received signals, where the processing circuit reduces a mean squared error of an output signal. The processing circuit weights and combines the received signals using a predetermined symbol pattern within a sync sequence within a time slot.