baber/WOPTO huggingface dataset:
Patent CA-2009793-C (CA)
Title: Rudder mechanism for ship
Inventor: KANAZAKI KIHACHIRO
IPC: B63H25/38
Filed: 1990-02-12
Granted: 1999-05-25
Abstract: A rudder mechanism for a ship comprises a support bearing fixed to the bottom of a stern of the ship, a rudder shaft with  one  end  rotatably  supported  by  the support bearing, a swayable shaft member connected to the other end of the rudder shaft, and a rudder wing connected to  the  swayable  shaft  member  and  disposed  behind a  propeller  of  the  ship.   The  swayable shaft member and  rudder  wing  form  a  swayable  wing  portion swayable  in  a  ship  backward  direction.  The  swayable shaft member comprises a projection fixed to the rudder shaft or the rudder wing, a projection receiver fixed to the other of them and engaged with the projection, and a rotatable shaft inserted into the engaged projection and projection receiver to enable them to sway relative to each other.  The projection and projection receiver have restriction  faces  for  restricting  the  swayable  wing portion from swaying in a ship forward direction beyond a vertical position and from swaying in a ship backward direction beyond a maximum backward position.    With this arrangement, the rudder wing will not be just behind the propeller of the ship while the ship is sailing, thereby improving the propelling efficiency and fuel consumption of the ship.
Patent CA-2009833-C (CA)
Title: Connection device
Inventor: DYE JOHN F
IPC: A61H23/04
Filed: 1990-02-12
Granted: 1999-06-29
Abstract: A connection device having an intermediate member, a first connector, and a second connector.  The first and second connectors are releasably retained to the intermediate member, and the first and second connectors are rotatable with respect to the intermediate member.  The first and second connectors have a plurality of separate annular channels, and the intermediate member has a plurality of annular channels.  The channels of the first and second connectors communicate with the channels of the intermediate member in all rotatable positions of the first and second connectors, such that fluid may be passed through the separate channels of the intermediate member into the separate channels of the first and second connectors.
Patent CA-2011221-C (CA)
Inventor: DUPONT RENE
IPC: C01B32/40
Filed: 1990-03-01
Granted: 1996-11-19
Abstract: Du méthanol est craqué catalytiquement, puis l'essentiel des constituants autres que le CO est éliminé par lavage à l'eau, adsorption sélective et perméation. Application à la production de quantité modérée de monoxyde de carbone.
Patent CA-2015484-C (CA)
Title: Crystal oscillator with broad tuning capability
Inventor: GONDA JOSEPH
IPC: H03B5/32
Filed: 1990-04-26
Granted: 1995-10-17
Abstract: A first transistor is connected in grounded-collector-emitter-follower configuration to generate a high enough negative resistance to overcome the oscillating resistance of the crystal resonator connected to the base electrode. A second transistor connected in grounded-base configuration serves as a buffer and impedance transformer between the low impedance output of the first transistor and the high impedance of a load. An inductor connected between the resonator and the first transistor input and a variable capacitance approximating the shunt capacitance of the resonator connected across the first transistor input form an impedance inverter which absorbs the resonator shunt capacitance and converts the effect of the resonator to a parallel tuned circuit that can be broadly tuned.
Patent CA-2016493-C (CA)
Inventor: KAPLAN DONALD S
IPC: A61F2/06
Filed: 1990-05-10
Granted: 1995-03-07
Abstract: A composite yarn possessing a nonabsorbable, elastic core yarn component and an absorbable, relatively inelastic sheath yarn component is employed in the manufacture of a porous tubular prosthesis useful, e.g., in vascular reconstruction.
Patent CA-2017863-C (CA)
Title: Slide fastener
Inventor: HORITA YOSHIYUKI
IPC: A44B19/30
Filed: 1990-05-30
Granted: 1994-08-02
Abstract: A slide fastener comprising a pair of stringer tapes each carrying along their respective inner longitudinal edges a row of coupling elements.  The slide fastener is produced from a continuous fastener chain having mounted thereon alternate sliders and top end stops both movable along the rows of coupling elements.  Either the slider or the top end stop is provided with a latch for retaining the slider in provisionally or completely locked engagement with the top end stop.
Patent CA-2019758-C (CA)
Title: Improved electroporation device and method
Inventor: FIRTH KEVIN L
IPC: C12N13/00
Filed: 1990-06-25
Granted: 2001-09-04
Abstract: An electroporation apparatus provides for the electroporation of cells attached to an electrode. The electrode may be transparent to allow cell viewing. If the electrode exhibits a voltage drop a constant electrical field may be obtained over the cell layer by controlling the position or character of the opposed electrode. Alternately, cells may be electroporated under an electrical field which varies in a continuous, geometrically uniform manner over the cell layer.
Patent CA-2020258-C (CA)
Title: Frequency equalizer
Inventor: EGUCHI TAKEO
IPC: H04B3/06
Filed: 1990-06-29
Granted: 2001-09-04
Abstract: A frequency equalizer is provided for suitably correcting a frequency characteristic of a signal transmitted through a signal transmitting system such as a coaxial cable and the like. The frequency equalizer has a plurality of serially connected fundamental circuits in each of which an input signal is processed by a series circuit of a multiplying circuit and an amplifier having its own frequency characteristic to generate a first signal, the input signal is processed by an amplifier having a flat frequency characteristic to generate a second signal and the first and second signals are added or subtracted to derive an output signal. Therefore, a desired frequency characteristic can be corrected with ease only by determining the frequency characteristics of the plurality of fundamental circuits to proper frequency characteristics. Also, the circuit arrangement is formed of a building block system and therefore can be fabricated as an integrated circuit (IC).
Patent CA-2024690-C (CA)
Title: Coating composition and tire coated therewith
Inventor: KANSUPADA BHARAT K
IPC: C08J7/04
Filed: 1990-09-05
Granted: 2001-06-12
Abstract: A composition comprised of polyvinylalcohol coating containing at least one water soluble ultraviolet absorber. In one aspect, there is provided a rubber tire having at least one surface coated with such composition.
Patent CA-2027254-C (CA)
Title: Flame-stabilized pyrophoric ir decoy flare
Inventor: HALPIN JOHN LOUIS
IPC: F42B4/26
Filed: 1990-10-10
Granted: 1996-08-06
Abstract: A flare comprising an oxygen reservoir section, a fuel reservoir section and a nozzle section; the oxygen reservoir section having a reservoir capable of containing oxygen at high pressure, and a valve operable by an actuator to selectively permit transmission of pressurized oxygen from the reservoir; the fuel reservoir section including a collapsible fuel bag having a fuel orifice at one end and a plug normally positioned over the orifice; and the nozzle section having a oxygen flow deflector, a fuel atomizing region and an ignition region.
Patent CA-2036398-C (CA)
Title: Hiv protease inhibiting agents
Inventor: YOAKIM CHRISTIANE
IPC: A61P31/12
Filed: 1991-02-15
Granted: 2000-06-13
Abstract: Disclosed herein are compounds of the general formula X-A-B-C-D-Y wherein X is a terminal group, for example, alkanoyl or phenylalkanoyl radicals, A is an amino acid residue having a lower alkyl or lower cycloalkyl side chain, e.g. Ala or Val, B is a non-peptide linking unit, e.g. statyl or Phe~[CH2NH]Leu, C is an amino acid residue of .alpha.-amino-.beta.-cycloalkylpropionic acid, glutamic acid or .alpha.-aminoadipic acid, or a related derivative thereof, D is an amino-acid residue, for example, Phe or Val, and Y is hydroxy, alkoxy, amino, alkylamino or dialkylamino. The compounds inhibit the activity of human immunodeficiency virus (HIV) protease and interfere with HIV induced cytopathogenic effects in human cells. These properties render the compounds useful for combating HIV infections.
Patent CA-2037816-C (CA)
Title: Keratin fibres dyeing process with 6- or 7-monohydroxyindoles at acid ph and compositions implemented
Inventor: COTTERET JEAN
IPC: A61K8/33
Filed: 1991-03-08
Granted: 2002-07-16
Abstract: Process for dyeing keratinous fibres, in particular human keratinous fibres such as hair, characterized in that there is applied to these fibres a composition containing, in a suitable dyeing mixture, at least one indole-based coupler, of the formula:   <IMAGE> (I)  in which R1 designates a hydrogen atom or a C1-C4 alkyl radical; R2 and R3, which may be identical or different, designate a hydrogen atom, a C1-C4 lower alkyl radical, a carboxyl radical or an alkoxycarbonyl radical; X designates a hydrogen atom, a C1-C4 lower alkyl radical, a C1-C18 alkoxy radical, a halogen atom, a C2-C20 acyloxy radical or an acetylamino group; the OH group occupying the 6- or 7- positions of the aromatic ring; as well as the salts of these compounds; one oxidation dye precursor; one oxidising agent; the pH of the composition applied to the fibres being less than 7.
Patent CA-2044723-C (CA)
Title: True spiral football
Inventor: KENNEDY THOMAS
IPC: A63B41/00
Filed: 1991-06-17
Granted: 1995-09-26
Abstract: An improved American football comprising an inflatable, one piece bladder formed in a generally elliptical shape and fabricated of an elastomeric material; four panels secured together over the bladder, each panel being of a similar, generally oval shape with inturned edges secured together by stitching to form four seams; an essentially inextensible liner formed of four liner components, each liner component being of a similar, generally oval shape with inturned edges secured together and to an associated panel by stitching to form four seams, the liner components being located between the panels and the bladder an opening formed centrally along a part of one seam at a location where the panels and liner components are not stitched; lacing located along the opening to couple the inturned edges in place of the stitching; closure means comprising two patches and a tongue located between the bladder and liner components, the patches being stitched to the liner components, the patches being stitched to the liner components and panels on opposite sides of the opening, the tongue being stitched to a liner component and panels and extending to a location between the bladder and patches; and a counter weight of a high density elastomeric material, and of a size and shape substantially equal to that of the lacing and closure means molded to the bladder external thereof along the seam of the panels opposite the lacing.
Patent CA-2048149-C (CA)
Title: Continuous annealing line having carburizing/nitriding furnace
Inventor: KURAMOTO KOSHI
IPC: C21D9/56
Filed: 1991-07-30
Granted: 1994-03-15
Abstract: ABSTRACT OF THE DISCLOSURE     A continuous annealing line for annealing a cold-rolled strip of a ultra-low-carbon steel comprising a heating furnace for heating the strip which is fed continuously, with or without a soaking furnace following the heating furnace, a cooling furnace in which the heated steel strip is cooled, and a carburizing/nitriding furnace disposed between the heating furnace or the soaking furnace and the cooling furnace.   The carburizing/nitriding furnace may be divided into a plurality of zones, each of which is provided with control means for controlling the carburizing/nitriding atmosphere and carburizing/nitriding temperature in the zone.   The continuous annealing line may further comprise a plurality of carburizing/nitriding furnaces and have an arrangement for conducting a switching between a mode in which the carburizing/nitriding furnace is used for carburizing/nitriding the steel strip and a mode in which the carburizing/cooling furnace is used for cooling the steel strip.
Patent CA-2049923-C (CA)
Title: Method for removing injector nozzle deposits
Inventor: SMITH DARREN ANDREW
IPC: F02B3/00
Filed: 1990-04-19
Granted: 1999-11-16
Abstract: A method and apparatus for operating an internal combustion engine fuel injection system wherein fuel is cyclically injected directly into an engine combustion chamber through a selectively openable nozzle, whereby the nozzle is periodically maintained open while no fuel is being delivered through the nozzle and while the gas in the combustion chamber is at a temperature and pressure so that gas from the combustion chamber will pass into the open nozzle means to raise the temperature thereof sufficient to combust contaminate deposits thereon.
Patent CA-2052503-C (CA)
Inventor: HUSSAIN SYED F
IPC: B60W10/11
Filed: 1991-09-30
Granted: 1995-02-21
Abstract: A control method/system for sensing cold temperature/high viscosity conditions of a transmission lubricant sump (78) in an automated mechanical transmission system (10) without requiring a dedicated temperature sensor and the required CPU input port and input signal processing capacity associated therewith is provided.
Patent CA-2054342-C (CA)
Title: Azolylmethylspiro [2.5] octanols and fungicides containing these
Inventor: SEELE RAINER
IPC: C07D405/06
Filed: 1991-10-28
Granted: 2002-07-30
Abstract: Azolylmethylspiro[2.5]-octanols of the formula (see formula I) where A and B are each hydrogen or alkyl;      D is alkyl, cycloalkyl, cycloalkenyl, biphenylyl, naph-thyl, hetaryl or phenyl, it being possible for each of these radicals to be substituted;      Z is CH2 or O, X is CH or N, and the plant-compatible acid addition salts and metal complexes thereof are used as or in fungicides.
Patent CA-2057232-C (CA)
Title: Method of creating an index grating in an optical fiber and a mode converter using the index grating
Inventor: HILL KENNETH O
IPC: G02B6/14
Filed: 1991-12-06
Granted: 2003-06-03
Abstract: This invention relates to a method of creating an index grating in an optical fiber comprising disposing a slit mask containing one or more slits over a side of an optical fiber, illuminating the fiber through the slit mask by substantially monochromatic ultraviolet light for a short interval, whereby an index grating line is created and stored in the core of the fiber.
Patent CA-2057756-C (CA)
Title: Plate trailer joints
Inventor: YURGEVICH HOWARD J
IPC: B62D33/04
Filed: 1991-12-16
Granted: 1995-08-29
Abstract: Joining member for joining an adjacent pair of plates on a side of a cargo carrier are formed by a rectilinear strip having an inner surface including a pair of flanges positioned between two rows of aperatures straddling a channel of uniform depth.  A sealing strip fixed in said channel having a width about equal to the distance between said pair of flanges, a length equal to the rectilinear strip length, and a thickness greater than the channel depth seals the line of adjacency between the pair of plates.  Alternatively, an inner strip including openings alligned with said channel for receiving logistics fittings is employed where the plates are spaced apart to permit the channel defining flanges to project between the plates.
Patent CA-2058770-C (CA)
Title: Animal movement control system
Inventor: GIUNTA JAMES M
IPC: A01K15/02
Filed: 1990-06-18
Granted: 1999-11-02
Abstract: A system for controlling the movement of an animal relative to an area is provided having a signal transmitter (18) with a transmitting antenna (19) associated with said area. A loop of wire (19) serves as the transmitting antenna (19) and defines the boundary of the area. An electronic receiver (15) carried by the animal is responsive to a signal produced by the transmitting antenna (19) for producing an animal control output, such as an annoying tone or an electrical shock, to the animal whenever the animal moves into the vicinity of the transmitting antenna (19). The electronic receiver (15) has first (24) and second (25) orthogonal receiving antennas for receiving the signal produced by the wire loop antenna (19). Each antenna receives a respective component of the transmitted signal. Selection circuitry (30, 31 and 32) selects which of the respective components has greater magnitude and produces an actuating output to identify such component.
Patent CA-2060032-C (CA)
Title: Method and apparatus for forming box-shaped sheet metal ducts
Inventor: MOORE CECIL E
IPC: B21D39/02
Filed: 1992-01-24
Granted: 1998-07-07
Abstract: An improved method and apparatus for forming box-shaped sheet metal ducts with Pittsburgh-type seams.  The improved method is a continuous process in which the  sheet metal  is  fed  from an uncoiler, and after straightening and notching, the leading edge is fed into a single apparatus that performs all of the remaining forming functions.  In this single apparatus, the leading edge of the material is formed into the male portion of the Pittsburgh seam, after which the box is formed and then the female portion of the Pittsburgh seam is formed and the material sheared to complete the box section.  Using this improved method eliminates the moving of separate parts from one station to another, thereby improving the efficiency of the forming operation and the quality of the resulting box section.
Patent CA-2060460-C (CA)
Title: Atm exchange system
Inventor: NISHINO TETSUO
IPC: H04L47/43
Filed: 1992-01-31
Granted: 1997-09-16
Abstract: An ATM exchange system including a unit for detecting management cells from among multiplexed input ATM cells, and a path creating unit dedicated to the detected management cell.  The path creating unit is activated each time the management cell detecting unit detects the management cell, and thus the management cell is transferred to the corresponding outgoing line without loss in the exchange, and can be transferred thereto before the user ATM cell.
Patent CA-2065528-C (CA)
Title: Automatic locking device for a weather protection cover of a chair lift or the door of a cable car lift
Inventor: MAYER HELMUTH
IPC: B61B11/00
Filed: 1992-04-07
Granted: 1998-06-16
Abstract: A chair for a chair lift comprising a suspension bar (9) and a pivotable weather protection cover (5) carried thereby. Movably mounted to the suspension bar (9) above the weather protection cover (5) is an actuating device (11) which is movable by a control device (13, 14) associated with the station and the movement of which is transmitted by way of a transmission means (8a, 8b) to the pivotal movement of the weather protection cover (5).To lock the closed weather protection cover, it is provided that a locking device (16) is arranged on the actuating lever (11) above the weather protection cover (5) and that the locking device (16)  for locking  the weather protection  cover  (5)  in  the  closed position locks the actuating lever (11) on the suspension bar (9) or a member (17) connected thereto.
Patent CA-2071032-C (CA)
Title: Optimization of information bases
Inventor: KAUTZ HENRY ALEXANDER
IPC: G06F17/30
Filed: 1992-06-11
Granted: 1998-01-27
Abstract: A technique for increasing the efficiency of a system such as an artificial intelligence system or a data base system in which a query is applied to a set of formulas. The technique creates an approximation of the set of formulas which iscomputationally more tractable than the original set. The original set is used to answer the query only if the approximation fails to provide the answer. The approximation is made by a compilation process which provides a series of ever-closer approximations. A given query is answered using the currently-closest approximation. The approximation may consist of a first set of formulas which is an upper bound (i.e. implied by) of the original set, and a second set which is a lower bound (i.e. implies) of the original set. In this case, the compilation process produces a series of increasing lower bounds and decreasing upper bounds until agreatest lower bound and a least upper bound are reached. Example applications of the technique are given for propositional languages, first order languages, languages based on definite clauses, and frame languages.
Patent CA-2076851-C (CA)
Title: Record medium reading apparatus, ball dispenser and medal dispenser
Inventor: TAKEMOTO TAKATOSHI
IPC: A63F/
Filed: 1991-10-04
Granted: 1995-08-29
Abstract: A recording medium-reader, a ball lending machine and a medal lending machine which reduce the cost of production of the recording medium and can utilize resources. When a recording medium is fully used up and judgement means judges that no data remain any more, transfer/control means causes a transfer member to transfer the recording medium after reading into a case and to recover it into the case.
Patent CA-2078752-C (CA)
Title: Formed piece continuous manufacturing apparatus and manufacturing method
Inventor: SAEKI NORIYASU
IPC: B29C70/50
Filed: 1992-09-21
Granted: 2004-05-11
Abstract: A formed piece continuous manufacturing apparatus formed by four endless belts and a manufacutring method utilizing such apparatus. At least three of the endless belts are movably supported by each movable means, and the sectional shape of the forming passage is freely controlled by arbitrarily moving at least three endless belts.
Patent CA-2080028-C (CA)
Title: Apparatus for manufacturing semiconductor wafers
Inventor: HILLIER GLEN CAMERON
IPC: H01L21/687
Filed: 1992-10-07
Granted: 1998-04-21
Abstract: Apparatus for semiconductor wafer manufacture in which a susceptor has an annular rotor for supporting a wafer substrate with a substrate surface facing downwards. The rotor has an annular flange overlying a body of the susceptor and the structure is such that a flow of rotor driving gas may be directed up from the body and against the flange while crystalline layers are being formed on the undersurface of the substrate.
Patent CA-2080656-C (CA)
Title: Saturable core proximity sensor including a flux director
Inventor: DANIELS TED M
IPC: G01V3/08
Filed: 1992-10-15
Granted: 2002-01-29
Abstract: A variable reluctance saturable core proximity sensor assembly comprising a target (22) and a sensor (50). The target consists of a magnet (24) having a high field strength, a base plate (28) having a high relative permeability, and a nonmagnetic metal housing (34, 36) surrounding the magnet and base plate. The sensor consists of a core (52) made from a material having a high relative permeability, a coil (60) surrounding the core and a housing made from a nonmagnetic material surrounding the core and coil. At its distal end of the core is a flux director (120) that intercepts the magnetic field produced by the target. The flux director comprises a plurality of radially extending arms having the same permeability as the core. The flux director has a cross-sectional area selected so that the flux director and core saturate at substantially the same time. The sensor assembly may be used in either a slide-by or head-on mode.