baber/WOPTO huggingface dataset:
Patent CA-2207761-C (CA)
Title: Reseau de diffraction a fibre optique, procede de fabrication et source lumineuse laser
Inventor: TERASAWA YOSHIAKI
IPC: G02B6/38
Filed: 1996-10-16
Granted: 2002-09-17
Abstract: Cette invention concerne un réseau de diffraction à fibre optique, lequel fait appel à une fibre optique (10) d'un diamètre de 125  mu m possédant un réseau de diffraction le long de son axe optique. Cette fibre comporte en outre un revêtement coaxial de résine silicone (14) d'un diamètre externe de 300  mu m, un autre revêtement coaxial d'un polymère à cristaux liquides (16), comme de l'amide de polyester, d'un diamètre externe de 900  mu m, et enfin, un dernier revêtement (18) possédant un diamètre externe de 1 mm et consistant en une résine couleur solidifiée par UV et servant à l'identification. La fibre optique (10) et le revêtement (14) possèdent des coefficients de dilatation thermique positifs, tandis que le revêtement de polymère à cristaux liquides (16) possède un coefficient de dilatation thermique négatif.
Patent CA-2208523-C (CA)
Inventor: GOLDWATER MARK H
IPC: G06F17/21
Filed: 1996-09-12
Granted: 2000-02-01
Abstract: A computer system can translate original font descriptions, often from text contained on one computer, into new font descriptions which use different outline segmentation, and then install the new font descriptions into a computer operating system, often on a second computer, so operating system calls can be used to render the text. The system can send a first message over a network to request a text, and a second message to request a set of font descriptions for rendering the text. Preferably the text includes an identifier which can be used in the second message to identify the particular font descriptions desired. The system can receive a body of text and an old set of font resources and can derive a customized new set of font resource from the old set based on the particular character-font shapes in the text, eliminating multiple font descriptions for the same character-font shape and font descriptions for character-font shapes which do no currently occur in the text. The system can also render the character font shapes of a text from a plurality of portable font resources, each of which can have different characters from the same fonts. Such systems can receive and cache separate portable font resources.
Patent CA-2208993-C (CA)
Inventor: OBITTS SHANE
IPC: A61H3/02
Filed: 1997-06-27
Granted: 2002-02-26
Abstract: A patient support device, particularly a cane, includes a fifth leg that extends outwardly from a central portion of a base assembly at a region intermediate the first,  second,  third,  and fourth legs.   The fifth leg provides increased balance and stability for the user. Moreover, the base assembly includes a one-piece member constructed from a molded plastic composite material to reduce manufacturing costs.  Additionally, the fifth leg is slightly recessed relative to the remaining four legs so that the patient's weight is evenly distributed to the perimeter of the support area defined by the base member.
Patent CA-2212418-C (CA)
Inventor: MADJARAC JOHN
IPC: A01G23/099
Filed: 1997-08-06
Granted: 2005-05-24
Abstract: An improved timber wedge featuring an elongated wedge shaped body formed of natural materials such as wood or plastic or other synthetic material. The wedge shaped body is protected from hammer blows incurred during use by a removable impact protection cap mounted upon the striking end of the wedge which also reinforces the wedge body at the impact end. The cap is held to the body by a screw therethrough which friction mounts to cooperating threads in the wedge body interior or cooperatively engages a nut in an in line relationship with the screw and accessible from the side of the wedge.  Releasable glue may also be used to hold the impact resistant cap to the wedge shaped body.
Patent CA-2215342-C (CA)
Inventor: HOLTJE BRUCE E
IPC: G03G15/00
Filed: 1997-09-12
Granted: 2000-09-05
Abstract: The disclosed rotatable disks type sheet inverting, registration and stacking system finger units, with sheet carrying slots, which are mounted to the disk units for a variable radial movement.  These finger units automatically adjust their radius to release sheets from their respective slots closely adjacent to the top of the output stack of sheets at their registration position to automatically compensate for variations in the height of said stack of sheets, preferable by limited force engagement of the ends of the fingers with the top of the stack.  Preferable the finger units are radially pivotally outwardly lightly spring loaded to provide a transporting and inverting position for the sheets in the sheet slots which is at a substantially greater radius than the reduced radius thereof in releasing the sheets at the stacking registration position.  A vertically movable sheet hold-down bail system is automatically actuated in coordination with the release of the sheet to only engage the sheet when it is very closely adjacent to the top of the stack.
Patent CA-2219966-C (CA)
Title: Process for the production of vinyl acetate
Inventor: KITCHEN SIMON JAMES
IPC: B01J37/16
Filed: 1997-11-03
Granted: 2006-02-07
Abstract: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium, and (c) sintering the supported palladium at a temperature of greater than 500°C.
Patent CA-2225741-C (CA)
Title: Ionophore antibiotic formulations
Inventor: LOWE LIONEL BARRY
IPC: A61K47/34
Filed: 1996-07-04
Granted: 2006-10-03
Abstract: An aqueous base suspension concentrate or use of ionophore antibiotic(s) capable of aqueous dilution (if desired) and capable (with or without such aqueous dilution) of being orally administered to an animal (e.g. by drenching) to prevent or treat conditions treatable by an ionophore antibiotic such as monensin (e.g. bloat, coccidiosis, et al), said concentrate comprising: (I) at least one ionophore antibiotic in (II) an aqueous system containing: (i) optionally a wetting and/or surfactant agent, (ii) optionally, an antifreeze agent or agents in which the ionophore antibiotic or antibiotics is or are no more than sparingly soluble (preferably organic, e.g. a glycol), (iii) a suspension agent (optionally Xanthan gum), (iv) optionally an antifoam agent or system (optionally a Simethicone and particulate carrier system), (v) optionally a preservative, (vi) optionally a de-battering agent, (vii) optionally a pH buffering system, and (viii) water, wherein (iii) is Xanthan gum or at least two of (i), (ii) and (iii) are present in (II).
Patent CA-2229204-C (CA)
Title: Deubiquitinating enzymes that regulate cell growth
Inventor: D ANDREA ALAN D
IPC: C12N15/55
Filed: 1996-08-07
Granted: 2012-10-09
Abstract: The present invention relates to ubiquitin-specific thiol proteases or deubiquitinating enzymes, referred to as DUB (DeUBiquitinating) enzymes, of eukaryotic origin which are members of a superfamily of deubiquitinating enzymes and which comprise a new subfamily of deubiquitinating enzymes which are similar in size and amino acid sequence to one another. DUB enzymes of the present invention are of eukaryotic origin, such as vertebrate origin, including mammalian (e.g., murine, human) origin, as well as yeast origin. All DUB enzymes of the present invention are inducible by at least one cytokine.
Patent CA-2232405-C (CA)
Title: Cryogenic rectification system for producing high pressure nitrogen and high pressure oxygen
Inventor: BONAQUIST DANTE PATRICK
IPC: F25J3/04
Filed: 1998-03-17
Granted: 2002-01-22
Abstract: A cryogenic rectification system for processing feed air wherein a defined large flow of high pressure nitrogen shelf vapor is recovered directly from the higher pressure column of a double column, pressurized oxygen liquid is vaporized to produce high pressure oxygen product against a portion of the feed air, and the resulting condensed feed air portion is split in a defined manner and fed into each of the higher and lower pressure columns of the double column.
Patent CA-2236568-C (CA)
Inventor: KOVAL VERNON
IPC: E21B44/00
Filed: 1998-05-04
Granted: 2005-10-11
Abstract: A procedure is described for determining the power output of a downhole drilling motor, when the motor is inside the wellbore. The technique uses stand-pipe pressure and fluid flow rate as the main inputs. The power output of the motor is calculated by carrying out two low flow stall tests at flow rates lower than the drilling flow rate. These tests result in "off bottom" and stall pressures at the two flow rates. Another off bottom pressure is taken at the actual flow rate that will be used during drilling operations. From the use of the off bottom and stall pressure measurements, a determination is made of the differential pressure across the motor and the stall pressure at the actual drilling fluid flow rate. A full power curve and a predicted operating stand-pipe pressure for optimal power generation are provided based on an experimentally verified assumption regarding the change in rotation rate of the motor versus the differential pressure across the motor power section.
Patent CA-2239403-C (CA)
Inventor: BURGER STEFAN
IPC: H01P5/103
Filed: 1998-06-02
Granted: 2001-02-27
Abstract: A  device  is  provided  for  fastening  an  excitation element (2) in a metal waveguide (3) of an antenna (1) and for electrically connecting the same to a coaxial line (4) arranged outside the waveguide (3), and which is cost effective and in which low power losses occur. The device comprises a basic member (6), which seals an opening in the waveguide (3), has a bore  (6.1), and a metal  hollow  cylinder  (9),  through  which  an  inner conductor  of  the coaxial  line  (9)  is  guided,  which hollow cylinder has a first section (9.1) plugged into the first bore  (6.1),  and which has a second section (9.2),  over  which  an  end  region  (10)  of  an  outer conductor of the coaxial line  (4)  is pushed. A first end (2.1) of the excitation element (2)  is fastened on one end (12) of the inner conductor.
Patent CA-2240270-C (CA)
Title: Selectively coated bipolar plate
Inventor: QUADAKKERS WILLEM J
IPC: H01M8/0215
Filed: 1996-12-06
Granted: 2007-07-31
Abstract: The invention relates to a bipolar plate (1) consisting of a chromium oxide-forming alloy with an electrically insulating, corrosion-reducing layer in the region of the gas guiding surfaces (3). Said layer has a mixed oxide layer on the electrode contact surface (5) to improve the conductitivy and reduce the evaporation rate. The invention also relates to a process for producing the bipolar plate in which a chromium oxide-forming alloy is used as the plate material and an electrically insulating, corrosion-reducing surface coating is applied in the region of the gas guiding surfaces. The surface is then electrochemically coated with metals from which is formed an oxide layer of high conductivity and low evaporation rate in comparison with the chromium oxide-forming alloy when used in the fuel cell. The invention also relates to a plate consisting of a chromium oxide- forming alloy with cobalt, nickel or iron enrichment layers in the region of the electrode contact surface.
Patent CA-2241278-C (CA)
Inventor: LARKIN ROBERT S
IPC: H04B7/26
Filed: 1998-07-22
Granted: 2003-05-27
Abstract: The invention provides a power sharing amplifier system having an N by N transform matrix circuit, N amplifiers and an N by N inverse transform matrix circuit. The N by N transform matrix circuit has N input ports that respond to M input signals and provide N transform matrix input signals, where M is less than N. The N by N transform matrix circuit features at least one input port that does not receive an input signal but instead is coupled to ground. The N amplifiers respond to the transform matrix input signals and provide N amplified transform matrix input signals. The N by N inverse transform matrix circuit responds to the N amplified transform matrix input signals and provides N inverse transform matrix amplified output signals to output ports. Moreover, the N by N inverse transform matrix circuit features at least one output dissipation port that is coupled to ground to dissipate the intermodulation products contain thereon. In the power sharing amplifier system of the present invention, M and N are integers greater than 1 and 2 respectively, M is less than N, M is not equal to 6, and N is not equal to 8.
Patent CA-2252994-C (CA)
Inventor: HERZOG KENNETH
IPC: B65B51/22
Filed: 1998-11-06
Granted: 2008-11-04
Abstract: Apparatus for determining whether the movement of articles travelling on a conveyor have stalled includes a first sensor, such as a photoeye, for sensing the presence of at least one of the articles at a first location along the conveyor and second sensor, such as a photoeye, for sensing whether the articles are moving past another location along the conveyor. A control unit is provided which is responsive to the first photoeye sensing the presence of at least one article at the first location and responsive to the second photoeye detecting that articles are not moving for determining that the movement of the articles has stalled and for initiating appropriate corrective action, such as actuating alarm(s) and, in the case where the apparatus is used in conjunction with an induction sealing apparatus, terminating power to the sealing head of such apparatus.
Patent CA-2255197-C (CA)
Inventor: HUTCHIN RICHARD A
IPC: G01J9/00
Filed: 1998-12-02
Granted: 2001-05-01
Abstract: An optical wavefront sensor for measuring phase tilt in two dimensions across the cross section of a beam (14), using only a single lenslet array (26) and a single camera sensor array (28). The rectangular lenslet array (26) is oriented at 45 degrees to first and second orthogonal sets of axes defining multiple points of interest (22') in the beam cross section, such that each lenslet subaperture is centered (at 40) between adjacent points of interest on the first and second axes. The points of interest (22') are locations corresponding to the positions of actuators (22) in an adaptive optics system. The camera sensor array (28) has more cells per unit area than there are subapertures per unit area. Only selected cells are activated, to provide for measurements at the approximate midpoints of lines between adjacent points of interest (22') on the first and second orthogonal axes. Thus the sensor array (28) has enough active cells to effect measurements in both orthogonal directions without interference between the cells used for measurement in the two directions, and without the need for multiple lenslet arrays or sensor arrays.
Patent CA-2261175-C (CA)
Inventor: SCHURMANN KLAUS
IPC: B27N3/24
Filed: 1999-02-17
Granted: 2003-01-07
Abstract: A press for pressing a mat into a thin panel has a press frame, upper and lower press plates on the frame, upper and lower press belts having confronting lower and upper stretches defining a press gap extending in a horizontal and longitudinal transport direction and respectively running below and above the upper and lower press plates, and upper and lower flexible intake plates juxtaposed respectively above and below upstream ends of the lower and upper stretches of the belts and defining therewith an intake mouth flaring upstream. An array of spaced fluid-powered actuators carried on the frame each have outer ends juxtaposed with one of the intake plates. Thermal insulation is provided between the actuator outer ends and the one intake plate to protect the actuators from the heat of the intake plates. Swivel joints, normally ball joints, are provided between the actuator outer ends and the one intake plate.
Patent CA-2261834-C (CA)
Inventor: SWINIMER KIRK
IPC: E02D27/01
Filed: 1997-07-16
Granted: 2005-11-01
Abstract: A prefabricated form for molding a footing of a settable structural material at the bottom end of a tubular form (10) for a structural pillar is disclosed. The form (10) is preferably constructed from a thermoplastic such as a high density polyethylene or ABS and is molded as a single disposable unit. The form (10) is bell-shaped and has a sidewall (12) which is inclined at an angle of about 45° to about 65° with respect to the bottom edge. A top flange (22) of the form is preferably adapted to accommodate two or more different diameters of the tubular form for the structural pillar. The sidewall may include integral ribs (28) which open inwardly to facilitate evacuation of air as the form (10) is filled and to lend rigidity to the sidewall (12) to ensure that it will not collapse if earth is backfilled around the form before the form (10) is filled with settable material. The advantage is an inexpensive form which fills reliably without the entrapment of air pockets, supports a tubular form for a pillar without cross-pieces, may be left in the ground and actually protects the footing from the intrusion of water, etc. Thus significant savings in labour and a significant improvement in the quality of footings for structural pillars made using tubular forms is realized.
Patent CA-2262003-C (CA)
Title: Methode d'augmentation de la conductivite de la polyaniline
Inventor: GRAHAM CHARLES R
IPC: C08L79/02
Filed: 1997-07-25
Granted: 2004-09-14
Abstract: Méthode d'augmentation de la conductivité d'une composition d'un sel de polyaniline d'un acide organique. La méthode consiste à mettre la composition en contact avec un solvant organique polaire qui peut solubiliser l'acide organique sans solubiliser le sel de polyaniline. L'invention concerne aussi des compositions de revêtement préparées selon ladite méthode.
Patent CA-2263842-C (CA)
Inventor: DIMAKIS ALKIVADIS G
IPC: B27M3/00
Filed: 1997-08-28
Granted: 2003-04-08
Abstract: The invention comprises engineered structural wood products particularly useful in critical applications such as joists, headers, and beams where longer lengths, greater widths, and higher and predictable stress ratings ma y be required. The invention is also directed to a method for making the wood products. Most logs by nature are radially anisotropic, having wood of highe r density and stiffness in their outer portion adjacent the bark than is found  in the inner portion. The logs are machined to segregate the denser, stiffer  outer wood. A first generally rectangular component (4) is formed from the less dense inner wood. Second generally rectangular components (6) are forme d from the stiffer outer wood. Second components are adhesively bonded to at least one edge of the first components, more usually to opposite edges. The stiffer wood is thus specifically placed where it will contribute most effectively to the properties of the product. The product is analogous to an  I- beam in which the lower density first component serves as the web and the higher density second component as the flange portion. The products can be handled in use in identical fashion to solid sawn lumber. They are characterized by much less variation in their stiffness than solid sawn visually or machine graded productsand can be made in a wide range of width,  thickness, and length.
Patent CA-2263911-C (CA)
Title: Traitement des maladies auto-immunes
Inventor: BOLTON ANTHONY E
IPC: A61M1/36
Filed: 1997-08-11
Granted: 2007-01-16
Abstract: L'invention concerne un vaccin auto-immune destiné à être administré à des patients humains afin d'atténuer les symptômes de maladies auto-immunes telles que la polyarthrite rhumatoïde. Le vaccin comprend un aliquote du sang du patient, contenant entre autres des leucocytes dans lesquels l'expression de divers marqueurs de la surface cellulaire est régulée positivement, et des lymphocytes qui contiennent des quantités réduites de certaines protéines de stress. On fabrique le vaccin en soumettant l'aliquote de sang, en extracorporel, à certains agents stressants, à savoir des agents oxydants, un rayonnement UV et une température élevée.
Patent CA-2266362-C (CA)
Title: Vehicular loudspeaker system
Inventor: WARNAKA GLENN E
IPC: H04R1/02
Filed: 1997-09-25
Granted: 2003-05-20
Abstract: An improved loudspeaker system for a passenger vehicle such as an automobile  is disclosed. The system comprises a transducer capable of being excited by applied electric potential and electronic means that is electrically connected to the transducer to apply electric potential thereto. It is a feature of the present invention that th e diaphragm driven by the excited transducer is comprised of the headliner of the vehicle.</SDO AB>
Patent CA-2267784-C (CA)
Title: Lunettes grossissantes
Inventor: MOYSE MARJORIE ANNE
IPC: G02C5/00
Filed: 1997-10-07
Granted: 2003-04-08
Abstract: Lunettes grossissantes pour utilisation cosmétique, composées d'un élément transversal (2, 4) qui s'étend sur la largeur du visage de l'utilisateur, et qui supporte deux verres grossissants (12) dirigés vers le haut, dont la taille ne dépasse pas sensiblement celle de l'oeil humain. L'élément transversal se compose d'un pont (8) qui traverse l'arrête du nez et dont le sommet se trouve en avant par rapport aux verres (12). L'élément transversal (2, 4) est relié à chaque extrémité à une branche respective (16) qui s'étend en direction d'un point situé à mi-hauteur de l'oreille et se termine par une partie venant s'appuyer sur l'oreille. Cette partie venant s'appuyer sur l'oreille se compose d'une portion (20) dirigée vers le haut en suivant l'avant de l'oreille sur une proportion substantielle de sa hauteur. Les sourcils sont ainsi totalement exposés et peuvent être épilés à l'aide des verres grossissants (12) et d'un miroir. Le verres (12) sont montés de façon pivotante sur l'élément transversal (2, 4) et peuvent être tournés l'un après l'autre de manière à les éloigner de l'oeil correspondant pour permettre l'application de produits cosmétiques sur ce oeil.
Patent CA-2280445-C (CA)
Title: Variable displacement hydrostatic drive for tractors
Inventor: KOWALYK VLAD
IPC: F16H57/04
Filed: 1999-08-12
Granted: 2008-02-19
Abstract: A splitter gearbox for a four wheel drive, hydrostatically driven tractor integrates both the input drive train and the output drive train into a single gearbox. The drive mechanism eliminates the need for a separate mechanical gearbox by establishing pre-set fixed displacement settings that are electronically controlled along with the variable displacement of the hydrostatic motor and hydrostatic pump, to provide a smooth power shift through all ranges without requiring the tractor to stop. The drive mechanism is configured so that essentially all components are individually controlled so that the entire power generated by the tractor engine can be diverted to any one of the traction drive, the PTO mechanism, the auxiliary hydraulic drive or, to a somewhat lesser extent, the tractor hydraulic system. The splitter gearbox is mounted to the rear axle housing to allow the sharing of a common oil sump. The input gear set and the output gear set are also within the same common lubrication sump within the splitter gearbox.
Patent CA-2283946-C (CA)
Title: Method and apparatus for quick substantially complete deflating and emptying of an inflatable chamber, in particular a support device chamber such as a mattress
Inventor: VIARD JEAN-LOUIS
IPC: A61G7/05
Filed: 1998-03-19
Granted: 2006-09-05
Abstract: The invention concerns a method and an apparatus for quick deflating of a chamber. Said apparatus (210) for quick deflating of a chamber (213) inflatable with an inflating fluid, said chamber having a predetermined inflating volume, comprising means for inflating said chamber inflatable with an inflating fluid at a predetermined inflating pressure is characterised in that it further comprises means (220) for quick deflating of said chamber (213) by suction of said inflating fluid at a high rate, said quick deflating means (220) being implemented when said chamber (213) is deactivated in particular to be transported with its reduced volume reduced to a minimum.