baber/WOPTO huggingface dataset:
Patent CA-2220071-C (CA)
Title: Unique electrode configurations for cardiovascular electrode catheter with built-in deflection method and central puller wire
Inventor: WEBSTER WILTON W JR
IPC: A61B5/296
Filed: 1996-05-01
Granted: 2007-09-11
Abstract: An electrophysiological mapping device includes an outer catheter (8), an inner catheter (6) slidable within the outer catheter, and an electronic activation and recording device (4) for electrically activating electrodes (11) on the inner catheter and/or recording electric signals received by the electrodes. The distal end of the inner catheter comprises a plurality of arms (9) that cary electrodes. The arms bow outwardly upon extension of the inner catheter from the outer catheter to form a three-dimensional shape. Each arm has a spine (25) of a super-elastic material. Each spine is semicircular in section, and is disposed within a portion of a flexible sheath (18), the electrode lead wires being disposed in the rest of the sheath. The electrodes are formed from the ends of the insulated electrode lead wires (20) which pass through the sheath, are wrapped around the sheath and then stripped of their insulation.
Patent CA-2223643-C (CA)
Title: Preparation de d-threo-methylphenidate a liberation prolongee
Inventor: BAKER HELEN FRANCES
IPC: A61K31/4458
Filed: 1996-07-15
Granted: 2003-12-23
Abstract: Préparation de d-thréo-méthylphénidate (dtmp) à libération prolongée.
Patent CA-2223773-C (CA)
Inventor: ENSIGN DONALD EUGENE
IPC: D21F5/14
Filed: 1996-06-03
Granted: 2001-10-16
Abstract: A limiting orifice through-air-drying apparatus for papermaking or other absorbent embryonic webs. The apparatus has a first zone (41) and a second zone (42). The first (41) zone is maintained at a differential pressure less than the breakthrough pressure, while the second zone (42) is maintained at a differential pressure greater than the breakthrough pressure. The residence time of the embryonic web to be dried with the apparatus is maintained at preferably less than 35 milliseconds on the first zone. Using the dual zone system described above, the overall energy required to run the apparatus can be reduced.
Patent CA-2225265-C (CA)
Inventor: MARUYAMA IWAO
IPC: B23K26/04
Filed: 1997-12-19
Granted: 2001-11-20
Abstract: The position of a workpiece delivered into a welding station by a feed mechanism is detected by CCD cameras of position detectors, and a positioning error of the workpiece with respect to a reference position is determined on the basis of the detected position.  After training data for welding robots is corrected on the basis of the determined positioning error, scan heads on distal ends of the welding robots are inserted into the workpiece.  After the scan heads have been inserted to predetermined positions in the workpiece, only the scan heads are actuated to weld the workpiece at a plurality of locations thereof with a laser beam.
Patent CA-2225868-C (CA)
Title: Iridium-catalysed carbonylation process for the production of acetic acid
Inventor: WILLIAMS BRUCE LEO
IPC: C07B61/00
Filed: 1997-12-18
Granted: 2007-02-13
Abstract: The present invention relates to a process for the production of acetic acid and in particular to a process for the production of acetic acid by the carbonylation of methanol and/or a reactive derivative thereof in the presence of an iridium catalyst. By operating with a defined liquid reaction composition, it is possible to produce acetic acid of a quality sufficient in terms of water (less than 1500 ppm) and propionic acid (less than 400 ppm) content for its ultimate industrial applications using a single distillation column to separate and recycle the light ends from the acetic acid product.
Patent CA-2228763-C (CA)
Inventor: RADER SYDNEY R
IPC: G01N21/00
Filed: 1995-08-07
Granted: 2009-11-03
Abstract: L'invention porte sur un procédé d'élaboration de bière incolore et limpide par ultrafiltration et adjonction de dextrines, d'agents amérisants et d'un renforçateur de moussage.  Elle a également trait à des procédés d'élaboration de boissons à base de malt sans alcool améliorées et à la préparation de composants moussants pour bière.
Patent CA-2237753-C (CA)
Inventor: CARSON THOMAS E
IPC: E21B10/20
Filed: 1998-05-14
Granted: 2008-03-25
Abstract: An improved bushing mounting structure for mounting and lubricating a rotatable cutter head on a mining or oil well drilling bit includes a spindle and cutter wheel in which axial forces bear simultaneously on two distinct complementary surfaces that are spaced axially from each other. A split bushing with a compressible silver coating ensures simultaneous loading of the axial bearing race surfaces while also providing natural lubricant to the race surfaces. A slanted seal retainer groove accommodates a larger bushing positioned closer to the bit leg and a larger seal while allowing more and longer wear on the cutter wheel. An interchangeable differential sleeve and piston lubrication system is provided to adopt grease delivery forces to different well depth and drilling fluid weight conditions.
Patent CA-2239072-C (CA)
Inventor: AUDONNET JEAN-CHRISTOPHE FRANCIS
IPC: C12N15/09
Filed: 1996-11-19
Granted: 2012-04-24
Abstract: Le vaccin vivant recombinant comprend, comme vecteur, un herpèsvirus félin comprenant et exprimant au moins une séquence nucléotidique codant pour un polypeptide, cette séquence étant insérée dans les sites ORF5 et/ou ORF2.  Formule de vaccin multivalent et fragments d'ADN de l'herpèsvirus félin.
Patent CA-2240546-C (CA)
Title: Tracked cycle
Inventor: ABARCA DANIEL
IPC: B62K17/00
Filed: 1998-07-06
Granted: 2006-10-10
Abstract: A tracked cycle including a frame assembly defining a front end and a rear end is provided for receiving a drive assembly mounted to the frame assembly. The drive assembly includes a drive gear assembly mounted to the frame assembly, a first idler wheel mounted to the rear end of the frame assembly distant from the drive assembly, and a second idler wheel intermediate the drive gear assembly and the first idler wheel and pivotally interconnected to the frame assembly to a shock absorber assembly depending from the frame assembly. A continuous track is provided extending around the drive gear assembly and the first and second idler wheels to generally define a triangle such that one side of the triangle defined by the continuous track extending between the first and second idler wheels is in contact with the ground, and a second side of the triangle defined by a portion of the continuous track extending between the drive gear assembly and the second idler wheel is inclined toward the front end of the frame assembly. The tracked cycle also includes a steering post extending to a tube attached to the front end of the frame assembly, a handle bar assembly attached to the upper end of the steering post, and a ski assembly attached to the lower end of the steering post such that movement of the handle bar assembly moves the ski assembly about a longitudinal axis of the steering post. The tracked cycle is also provided with a manual drive system attached to the drive gear assembly. In the alternative, the manual drive may be replaced with an internal combustion engine coupled to the drive gear assembly in a conventional manner.
Patent CA-2241618-C (CA)
Title: Tube and shell heat exchanger with baffle
Inventor: CESARONI ANTHONY JOSEPH
IPC: F28F9/013
Filed: 1996-12-24
Granted: 2002-07-09
Abstract: A tube and shell heat exchanger having inlet and outlet manifolds (6, 7), a plurality of tubes (3) extending   between the manifolds and a shell (2) extending between the   manifolds and enveloping the tubes. The tube and shell heat   exchanger has at least one baffle (16) through which the tubes   (3) pass to locate and maintain the tubes in a spaced-apart   relationship. The baffle (16) is comprised substantially in the   shape of a helix of polymeric material that extends from the   axis of the helix to the periphery of the helix. The tubes (3)   pass through the material in a spaced-apart relationship with   respect to each other and are spaced apart from the axis of   the helix. The tube and shell heat exchanger is particularly   intended for marine applications.
Patent CA-2242868-C (CA)
Inventor: STRAND DAVID E
IPC: B64F5/10
Filed: 1997-03-21
Granted: 2006-10-24
Abstract: A method and apparatus for manufacturing wings is disclosed. The apparatus includes a fixture (42) that holds wing panels (30, 32) for drilling and edge trimming by accurate numerically controlled machine tools (40). The method includes attaching spars (34, 36) to the wing panels (30, 32) using coordination holes to locate the spars (34, 36) accurately on the wing panels (30, 32) in accordance with an original engineering design, and also attaching in-spar ribs (38) to rib posts (204) on the spars (34, 36) using accurately drilled coordination holes in the ends of the ribs (214) and in the rib posts (204). The method further includes determining the wing contour by the configuration of the spars (34, 36) and ribs (38).
Patent CA-2242871-C (CA)
Inventor: WATHEN BOYD J
IPC: F42D1/08
Filed: 1998-01-09
Granted: 2002-04-09
Abstract: Rock slabs (10) or pieces (17) are broken from large rocks (10) or from rock formations (11) with reduced cracking of the broken rock slabs or pieces by drilling bore holes (13, 14, 15, 16) along the desired break lines, placing detonating cord (20) into the bore holes, filling the bore holes with a shock transmitting and moderating composition (21), and detonating the detonating cord (20). The shock transmitting and moderating composition (21) is preferably a gel with shock absorbing material (22) such as microspheres or micro gas bubbles suspended therein. Openings in rock can also be formed by drilling at least one bore hole within the desired opening and drilling a plurality of bore holes along the desired periphery of the desired opening. Explosives within the at least one bore hole within the desired opening is detonated to break rock within the opening and detonating cord (20) in the bore holes along the desired periphery of the desired opening which holes are filled with a shock transmitting and moderating composition (21) is detonated to break the rock inwardly of the desired periphery while leaving stable the rock outwardly of the periphery.
Patent CA-2246009-C (CA)
Title: Plastic conveyor belt and conveyor apparatus comprising the same
Inventor: KOBAYASHI SHOGO
IPC: B65G17/08
Filed: 1998-08-21
Granted: 2004-12-14
Abstract: To provide a conveyor belt which is light in weight, easy to clean, free from rust, and easy to manufacture, a plastic conveyor belt is formed in an endless shape, by sequentially coupling belt constituent units, each of which comprises a cranked connection piece formed by joining horizontal portions of two plates each having an L-shaped cross section such that vertical portions of the two plates are not located on the same side, a rod which is connected integrally with an inner vertical portion of the connection piece, and has a core-sheath structure consisting of a metal core portion and a plastic sheath portion, a connection shaft provided on one portion of the connection piece, and a connection piece having a connection hole formed in a portion of the connection piece where the connection shaft is not provided. The belt constituent units are coupled with each other by bringing the vertical portion of the connection piece into contact with a cranked stepped portion of another connection piece, and inserting the connection shaft into the connection hole such that the connection shaft is freely rotatable. The present invention also provides a conveyor apparatus comprising this conveyor belt and a sprocket.
Patent CA-2246940-C (CA)
Title: Method and means for encoding storing and retrieving hierarchical data processing information for a computer system
Inventor: SHUM PETER K
IPC: G06F16/185
Filed: 1991-03-28
Granted: 2003-03-11
Abstract: A data transmission dictionary is provided, which is adapted for use by a computer system for encoding, storing, or retrieving hierarchically related data transmission information. The dictionary is comprised of a group of one or more computer searchable definition trees relating to transmission information of the computer system. The trees are derived from a first definition group which includes characteristics of commands, replies or data usable by the computer system. The characteristics include structure and value properties and restrictions, if any, applying to the commands, replies or data. Each tree represents, respectively, a definition of a the command, reply or data to which it relates. Each tree includes a root node identified by name, eg. a codepoint. The root node includesinformation describing the type of definition tree concerned (i.e. whether it relates to a command, reply or data), and may include one or more internal or terminal descendant nodes. These nodes represent components of the definition represented by the tree. The descendent nodes include level information describing the level of the node within its tree. The nodes may include attribute information, and may include value requirements relating to transmission information represented by the nodes.
Patent CA-2251801-C (CA)
Inventor: SREDNIAWSKI JOSEPH J
IPC: G01N23/04
Filed: 1997-02-21
Granted: 2001-01-23
Abstract: A multiple station gamma ray absorption contraband detection system utilizes a proton source (200) and disk-shaped target (100) to provide a 360 degree resonant gamma ray cone which is suitable for use in four separate gamma ray absoprtion contraband detection stations (202, 204, 206, 208) simultaneously.  The target has two beryllium walls coated with 13C and 34S so as to facilitate the detection of nitrogen and chlorine in a manner which reliably and effctively identifies contraband such as explosives and drugs via gamma ray absorption.
Patent CA-2253264-C (CA)
Inventor: VAN DER MEIJDEN GERT
IPC: B66B7/00
Filed: 1998-03-06
Granted: 2003-12-30
Abstract: L'invention concerne un procédé et un appareil d'arrangement vertical et d'installation d'un équipement de cage pour un ascenseur. Un gabarit (22) d'arrangement vertical est monté dans la partie supérieure de la cage d'ascenseur à partir du dernier étage (11), des fils à plomb (43) sont fixés au gabarit d'arrangement vertical à partir du dernier étage (11) et, à l'aide des fils à plomb (43) fixés au gabarit d'arrangement vertical (22), on positionne l'équipement (28) de la cage, après quoi on fixe en place l'équipement (28) de la cage. L'appareil de l'invention comprend des éléments de support (41) pouvant être fixés dans une cage d'ascenseur, un gabarit d'arrangement vertical (22) pouvant être fixé aux éléments de support (41) et montés sensiblement au dernier étage (11), et des fils à plomb (43) que l'on peut suspendre au gabarit d'arrangement vertical (22) et s'étendant jusque dans la cage d'ascenseur (2) sous le gabarit d'arrangement vertical.
Patent CA-2266003-C (CA)
Title: Procede de conversion d'hydrocarbures par traitement dans une zone de distillation associee a une zone reactionnelle et son utilisation en hydrogenation du benzene
Inventor: WITTE GERALD
IPC: C10G7/02
Filed: 1999-04-01
Granted: 2009-06-23
Abstract: L'invention concerne un procédé de conversion d'une charge d'hydrocarbures, tel que l'on traite ladite charge dans une zone de distillation produisant en tê te un distillat vapeur et un effluent de fond, associée à une zone réactionnelle a u moins en partie externe, comprenant au moins un lit catalytique, dans laquelle on réalise au moins une réaction de conversion d'au moins une partie d'au moins un hydrocarbure, en présence d'un catalyseur et d'un flux gazeux comprenant de l'hydrogène, la charge de la zone réactionnelle étant prélevée à la hauteur d'au moins un niveau de prélèvement et représentant au moins une partie du liquid e coulant dans la zone de distillation, l'effluent de la zone réactionnelle étant au moins en partie réintroduit dans la zone de distillation à la hauteur d'au moins un niveau de réintroduction, de manière à assurer la continuité de la distillation, ledit procédé étant caractérisé en ce qu'on soutire de la zone de distillation un distillat liquide à la hauteur d'au moins un niveau de soutirage, ledit niveau étant situé en-dessous du niveau de soutirage du distillat vapeur. Ce procédé peut être utilisé pour la réduction de la teneur en benzène d'une coupe d'hydrocarbures.</SDOA B>
Patent CA-2266048-C (CA)
Title: Composition topique et procede associe pour ameliorer la synthese de la barriere lipidique
Inventor: PELLE EDWARD
IPC: A61P17/16
Filed: 1997-09-11
Granted: 2007-07-03
Abstract: Cette invention se rapporte à des compositions topiques servant à améliorer la synthèse des lipides dans la peau, de telles compositions comprenant une quantité efficace de cafestol ou de kahweol, ou d'un dérivé de ceux-ci, en association avec un excipient acceptable sur le plan pharmaceutique ou cosmétique. Ces compositions sont utiles pour traiter ou prévenir la peau sèche et les conditions dans lesquelles la barrière lipidique de la peau est défectueuse ou endommagée. La figure 5 illustre une synthèse améliorée du céramide avec du cafestol.
Patent CA-2270232-C (CA)
Inventor: KALKANOGLU HUSNU M
IPC: E04D1/28
Filed: 1999-04-27
Granted: 2009-02-17
Abstract: A multi-layer shingle is made by cutting an anterior layer of shingle material to have a headlap area and a tab area, and with a plurality of tabs being present in the tab area, separated by slotted openings. The tab area of the anterior layer has a predetermined design that has a repeatability in the longitudinal direction, or from one edge of a shingle to another in the right-to-left direction, which repeatability is a function of the length of the shingle between said left and right edges, as well as being a function of the number of tabs in the shingle's anterior layer, with the repeatability being smaller or greater than the length of the shingle in the longitudinal direction. Thereby, an ornamental appearance is provided that has a random, natural-looking effect when the shingles are laid up on a roof.
Patent CA-2271641-C (CA)
Inventor: NISHIKAWA HIROYASU
IPC: H04W16/26
Filed: 1998-09-02
Granted: 2005-03-29
Abstract: The present invention relates to remote radio control technology, and a remote radio control system includes a radio movable working machine (1), a remote control apparatus (6A), and a movable repeater station (7). First bidirectional communication means (31, 71) having a high radio wave directionality and first automatic tracking means (32, 71A) are provided between the working machine (1) and the repeater station (7), and second bidirectional communication means (63, 76) having a high radio wave directionality, second automatic tracking means (63A, 76A), and emergency spread spectrum bidirectional communication means (64, 87) for enabling bidirectional communication between the remote control apparatus (6A) and the repeater station (7) when communication by the second bidirectional communication means (63, 76) is impossible are provided between the remote control apparatus (6A) and the repeater station (7). Consequently, even if communication between the working machine (1) and the movable repeater station (7) is disabled, each of the working machine (1) and the repeater station (7) is permitted to perform a minimum necessary operation, and any other person than those skilled in actual controlling operation of the working machine (1) can perform remote control easily.
Patent CA-2272730-C (CA)
Title: .alpha. + .beta. type titanium alloy, a titanium alloy strip, coil-rolling process of titanium alloy, and process for producing a cold-rolled titanium alloy strip
Inventor: FUJII MASAMITSU
IPC: C22C14/00
Filed: 1999-05-25
Granted: 2004-07-27
Abstract: A high strength and ductility .alpha. + .beta. type titanium alloy, comprising at least one isomorphous .beta. stabilizing element in a Mo equivalence of 2.0 - 4.5 mass %, at least one eutectic .beta. stabilizing element in an Fe equivalence of 0.3 - 2.0 mass %, and Si in an amount of 0. 1 - 1 .5 mass %, and optionally comprising C in an amount of 0.01 - 0.15 % mass.
Patent CA-2273322-C (CA)
Title: Apparatus and method for desolvating and focussing ions for introduction into a mass spectrometer
Inventor: PURVES RANDY W
IPC: H01J49/28
Filed: 1999-05-28
Granted: 2008-11-18
Abstract: This invention provides an apparatus and method for desolvating and selectively transmitting and focussing ions, including ions produced by electrospray ionization (ESI), based on the ion focussing principles of high field asymmetric waveform ion mobility spectrometry (FAIMS), for introduction into a mass spectrometer. The ion focussing, trapping and desolvating effects of FAIMS, as identified by the inventors, provides high ion transmission efficiency and high sensitivity for the detection of ions. An apparatus comprising an ESI source, a FAIMS device and a mass spectrometer provides a way of desolvating and selectively transmitting highly solvated ions for introduction into a mass spectrometer for analysis.
Patent CA-2280070-C (CA)
Inventor: LEDUC EDWARD CHARLES
IPC: B32B7/12
Filed: 1999-08-11
Granted: 2007-12-04
Abstract: An insulated foam board system of the present invention comprises a first layer, a second layer and a central layer. The first layer is made from a material selected from the group consisting of alkenyl aromatic polymers, polypropylenes, polyethylene terephthalates, polyethylenes and combinations thereof. The second layer is made from a material selected from the group consisting of alkenyl aromatic polymers, polypropylenes, polyethylene terephthalates, polyethylenes and combinations thereof. The central layer is located between the first layer and the second layer. The second layer is bonded to the first layer and the third layer. The central layer is made from a material selected from the group consisting of crystal polystyrene, impact polystyrene, polyethylene terephthalate and combinations thereof.
Patent CA-2280508-C (CA)
Inventor: DARBY PAUL
IPC: C08K3/36
Filed: 1999-08-20
Granted: 2008-06-10
Abstract: Curable compositions for making fibre-reinforcement structural composites such as GRP comprise an unsaturated polyester resin base, a co-polymerisable monomer and preferably, one or more performance--enhancing additives. Thixotropy is endowed by 5% by weight or less of an organic amide.
Patent CA-2281814-C (CA)
Inventor: BENORE RANDOLPH C
IPC: G07B1/00
Filed: 1998-05-05
Granted: 2005-05-31
Abstract: A system for carrying out transactions (10) includes customer stations (18) and a service provider station (14). The system is operated in a building (12) or other facility in which a service provider operates the service provider station in a secure room (36). Audio and video communications are established between customers at the customer stations and the service provider at the service provider station. Items are exchanged between customers and the service provider through carriers (26) transmitted through a pneumatic tube system (22). A video material presentation device (50) provides promotional or other video material which is presented on displays at the customer stations. Video material is presented to customers when the customer terminal is not in communication with the service provider terminal. The customer stations are readily installed and configured in the transaction facility to maximize the floor space available for other purposes.