baber/WOPTO huggingface dataset:
Patent CA-2001575-C (CA)
Title: Microwave oven with computer operated according to cooking programs stored in memory
Inventor: EDAMURA KAORU
IPC: H05B6/68
Filed: 1989-10-26
Granted: 1994-07-26
Abstract: ABSTRACT OF THE DISCLOSURE            A microwave oven has a built-in microcomputer and a memory for cooking information so that heating can be controlled-according to a cooking program selected from the cooking information stored in the memory.  Also, the micro-wave oven has a cooking category selector used to select a specific cooking category based on the cooking information stored  in  the memory,  a  cooking  category display which displays  the  cooking  category  selected  by  the  cooking category selector, a menu display which displays a specific number of  menu names  contained  in  the  specific  cooking category selected by the cooking category selector based on the cooking information stored in the memory, and a menu selector used to select a desired menu name from among the multiple menu names displayed on the menu display.
Patent CA-2003438-C (CA)
Inventor: PELLEGRINI-RIBEIRO MARCOS
IPC: F04B53/12
Filed: 1989-11-21
Granted: 1996-07-30
Abstract: This invention is of a selective valve to  pass  fluids  and consists  of  a body, and a housing, and is provided above and in the middle with a communicating passage for low  surface  tension and  viscosity  fluid, there being shells inside, seated upon the aforesaid housing, said shells  consisting  of  a  surface  of  a shape  and  a  size  that  is  controlled,  a  soft  surface, and orifices, a sealing surface created in the contact  area  of  the aforesaid  shells where it meets the aforesaid housing, and there being, below and in the middle, a communicating passage in  touch with  the fluid compressed by the pump. Preferred versions of the aforesaid  selective  valve  are  also  covered,  provided   with controlling  blades and a ball and roughness controlling surfaces instead of the shells.
Patent CA-2009074-C (CA)
Title: Improvements in and relating to guanidine derivatives
Inventor: ROBERTSON DAVID WAYNE
IPC: A61K31/4406
Filed: 1990-02-01
Granted: 1999-07-27
Abstract: This invention provides the compound (-)-N"-cyano-N-3-pyridyl-N'-1,2,2-trimethylpropylguanidine, its salts and pharmaceutical formulations, and its method of use for opening potassium channels in mammals.           The above compound is the (-) isomer of a compound of the structural formula:               (see fig. I)
Patent CA-2011122-C (CA)
Title: Suture removing device
IPC: A61B17/04
Filed: 1990-02-26
Granted: 1995-06-06
Abstract: There is described a suture removing device comprising a body having a handle portion, a head portion, and a cutting edge provided in the head portion.   The head portion has a leading end with a forked tip and a surface extending rearwardly of the tip to the cutting edge.  The forked tip is inserted below a suture to lift the suture from the skin and pushed forwards such that the suture rides along the surface and on to the cutting edge where the suture is cut.   The forked tip of the device is then placed around the suture, below the suture knot, to allow the suture to be pulled out.
Patent CA-2019343-C (CA)
Title: Evaluating properties of porous formations
Inventor: HOLZHAUSEN GARY R
IPC: G01V1/00
Filed: 1990-06-20
Granted: 1994-11-01
Abstract: The properties of porous material that is hydraulically coupled to a well through openings in cased or in uncased portions of the well are evaluated.  The process involves initiating a pressure wave, typically at the well head, so that the pressure oscillations extend to the porous material zone under investigation.  Flow of fluid between the well and formation changes the amplitude and frequency content of the oscillations traveling up and down the well.  That is, the oscillations are modulated from the form they would have in a like well with no hydraulic communication to the formation.  The properties of the formation are derived from these changes.
Patent CA-2021823-C (CA)
Title: Window display system and method
Inventor: GOLDING MICHAEL MORRIS
IPC: G06F3/048
Filed: 1990-07-24
Granted: 1999-01-26
Abstract: A windowing system is provided as an interface between   application   programs   and   non-programmable terminal drivers.  The system presents logical windows to the applications program, each of which are represented internally by at least two separate parts.   The first part includes the border and non-scrollable text for a logical window, while the second part includes scrollable text  for  the  window.   Through  calls  to  the  display driver 9 the windowing system manipulates these separate parts so that they are displayed on the screen as  a single window.
Patent CA-2026145-C (CA)
Inventor: WITTMAN ALOIS
IPC: F16M11/12
Filed: 1990-09-25
Granted: 1997-11-18
Abstract: A momentum wheel (14, 142) for compensating for the adverse effects of disturbing torques on stabilized spacecraft is mounted  on  a base  (12,  124)  on  the  spacecraft by  three circumferentially  spaced  supports which  include at  least  two linear actuators (26, 118) that tilt the wheel (14, 142) in any desired direction.  One end of each actuator (26) is mounted to a base (38, 154) supporting the wheel by a spherical connection (32,  34,  36)  which  allows  freedom  of motion  about multiple axes.  The other end of each actuator (26) is mounted to the base (12) by either a pair of spaced hinges (22, 24, 46) and a support bracket (18) which is secured to the actuator (26) or a flexible bracket  (78).   The wheel base  (12,124) may also be mounted on the actuators by flexible members (150) which allow tilting of the wheel.
Patent CA-2031920-C (CA)
Title: Canned product sterilizing system and process
Inventor: MIGNOGNA MICHAEL S
IPC: A23L23/00
Filed: 1990-12-10
Granted: 1997-05-27
Abstract: A process and system for sterilizing packages of thermally-treatable products having different sterilization processing require-ments. These packaged products can be different types of canned soups, for example. At least one of the packaged products is pre-heated a significant, predetermined amount in a preheat vessel in a steam or steam-air mixture to accommodate these different process-ing requirements. This allows the first and second packages to be processed through the stationary hydrostatic sterilizer, which is gen-erally separate from the preheat vessel, at a common line speed and temperature. Expensive sterilizer changeover delays are thereby reduced significantly or even avoided. This process also allows the soup to be cold hlended, reducing the likelihood of any overcooking in the large cooking kettle and reducing the amount of starch needed.
Patent CA-2039904-C (CA)
Inventor: RINDAL ABRAHAM E
IPC: H04N5/21
Filed: 1991-04-05
Granted: 1998-06-30
Abstract: Visible Moiré interference is eliminated by alternately shifting the phase of the horizontal sync signal or video signals such that the phase of each video line, and hence the phase of the resulting Moiré interference associated with that video line, is also alternately shifted. The phase of the Moiré interferences are shifted such that persistence of vision in the human eye averages oppositely phased phosphor intensity variations occurring on alternating scan lines and/or vertical fields. When viewed by a user of the CRT, optical cancellation of the Moiré interference patterns results.
Patent CA-2044304-C (CA)
Title: Polyurethane elastomer solution and process for coating
Inventor: HAYASHI SHUNICHI
IPC: B05D7/24
Filed: 1991-06-11
Granted: 2000-11-07
Abstract: A solution of a polyurethane elastomer to be used for producing films and coated layers, which comprises a polyurethane, elastomer having at least a glassy region within the temperature range of practical use of such film or coated layer, dissolved in a volatile solvent, as well as applications of such solution.
Patent CA-2044910-C (CA)
Inventor: KUNKEL HORST
IPC: G01S17/04
Filed: 1991-06-18
Granted: 2001-01-02
Abstract: A circuit arrangement for a sanitary fitting controlled in a non-contacting manner comprises a transmitter (3) as well as a receiver (4), at which radiation emitted by the transmitter (3) arrives after reflection on an abject (7). In an initialisation process, which takes place for the first time after the initial installation, thereafter at greater regular time intervals, the capacity of the transmitter (3) is increased until the reflection on a stationary object (7) in the monitoring range has the result that the evaluation circuit (5) following the receiver (4) is activated. Now the capacity of the transmitter (3) is once more reduced somewhat; the circuit arrangement changes to normal operation. It now has its optimum sensitivity, at which stationary objects (7) no longer cause faulty actuations, but the greatest possible monitoring range is provided for movable objects to be monitored.
Patent CA-2048066-C (CA)
Title: Method of start-up of a contaminated hydrocarbon-conversion system using a contaminant-sensitive catalyst
Inventor: FOUTSITZIS ARTHUR A
IPC: C10G49/08
Filed: 1991-07-29
Granted: 2003-07-08
Abstract: A hydrocarbon conversion process that uses a contaminant-sensitive catalyst and a conversion system that has been contaminated through contact with a contaminant-containing prior feed is started up by utilizing a hydrocarbon solvent in the absence of the contaminant-sensitive catalyst to purge contaminants, such as sulfur, from the conversion system. Complementary contaminant-removal steps may include oxidation, reduction, and contaminant removal with a sacrificial particulate bed. This solvent purge avoids deactivation of a subsequently loaded contaminant-sensitive catalyst, such as a reforming catalyst selective for dehydrocyclization.
Patent CA-2049276-C (CA)
Title: Method of tellurium separation from copper electrorefining slime
Inventor: CLAESSENS PIERRE L
IPC: C22B15/00
Filed: 1991-08-15
Granted: 1997-04-01
Abstract: A  method  of  increasing  the  extraction  of tellurium from copper electrorefining slime comprises leaching the slime with dilute sulphuric acid in a reactor under a partial oxygen pressure of up to 150 psi and at an elevated temperature between about 100 and 200°C until copper, nickel and substantially all of the tellurium is dissolved, thereby forming a leach slurry, and contacting the slurry with an appropriate reducing agent immediately after the leaching operation has been halted and the leaching reactor brough back to atmospheric pressure to reprecipitate any excessive quantities of  silver and selenium solubilized during the leaching operation.
Patent CA-2057121-C (CA)
Inventor: SHEEHAN MICHAEL T
IPC: C08F12/00
Filed: 1991-12-05
Granted: 2004-02-03
Abstract: Homopolymers and/or copolymers of 4-hydroxystyrene are produced by hydrolyzing homopolymers and/or copolymers of 4-acetoxystyrene with hydroxylamine.
Patent CA-2059686-C (CA)
Title: Sectional rasp bar assemblies for combine threshing cylinders
Inventor: JOHNSON ERIC
IPC: A01F12/20
Filed: 1992-01-20
Granted: 1996-05-28
Abstract: A rasp bar assembly for a threshing cylinder includes a single backing plate for carrying a plurality of rasp bars thereacross. The rasp bars are separated by a region of discontinuity for allowing the backing plate to flex without breaking the rasp bars attached thereto. Each of the rasp bars are provided with a toothed surface and a mounting surface, a front edge and a back edge, and at least one end which is angled obliquely to the front and back edge and parallel to the teeth.
Patent CA-2060418-C (CA)
Inventor: WISE JAMES J
IPC: E01C19/20
Filed: 1992-01-31
Granted: 1994-05-31
Abstract: Apparatus for Spreading Granular and Liquid Materials James J. Wise John A. Doherty ABSTRACT OF THE DISCLOSURE           A granular and liquid material spreading system mounted on a vehicle.  Granular material is moved  from  a  hopper  to  a  delivery  means  using hydraulic pumps and motors.  The hydraulic system also drives a liquid delivery system.  A control system is provided to control the amount of granular material and liquid material applied to a surface.  The feed rate of liquid delivery is dependent upon the feed rate of the granular material.  The liquid feed rate may be changed within a predetermined range.   The level of liquid may be sensed to disengage the liquid delivery  system.    Initiation  of  liquid  delivery reduces  the feed rate  of  granular material  by  a variably selected percentage.
Patent CA-2066154-C (CA)
Title: Recovery from errors in a redundant array of disk drives
Inventor: NG SPENCER W
IPC: G06F11/00
Filed: 1992-04-15
Granted: 1996-01-02
Abstract: Fault tolerance in a redundant array of disk drives is degraded when error conditions exist in the array. Several methods  for  rebuilding data  of  the  array  to remove the degradation are described.   Data rebuilding for entire disk drives and partial data rebuilds of disk drives are described.  All rebuild methods tend to reduce the negative affect of using array resources for the data rebuild.   In one method rebuilding occurs during idle time of the array.   In a second method rebuilding is interleaved   between   current   data   area   accessing operations of the array at a rate which is inversely proportional to activity level of the array.  In a third method,  the data are  rebuilt when a data  area being accessed is a data area needing rebuilding.
Patent CA-2066427-C (CA)
Inventor: DAVIS DONALD EDGAR
IPC: H02P9/30
Filed: 1990-09-11
Granted: 1997-05-13
Abstract: A three phase alternator (10) is driven by a variable speed prime mover (16), and its rectified out-put VQ is pulse width modulated by a gate controlled H-bridge power switch circuit (60).   Predetermined pairs of power switches (Q1, Q2, Q3, Q4) are gated on and off according to programmed duration and timing instructions contained in a read only memory (78).  A sine wave out-put is produced by successive pulse trains (A, B). The first pulse train (A) has alternating positive and nega-tive constant amplitude pulses, with the widths of posi-tive  pulses  varying  sinusoidally  and  the  widths  of negative pulses being constant.  The second pulse train (B) has alternating positive and negative pulses of con-stant amplitude, with the pulse widths of the negative pulse components varying sinusoidally,  and  the pulse widths of the positive components being constant.  The components of the first and second pulse trains have an energy distribution which corresponds to one cycle of a sine wave having a fixed frequency.
Patent CA-2067867-C (CA)
Inventor: VAN HORN IRVIN
IPC: C07C263/10
Filed: 1992-05-04
Granted: 2003-08-05
Abstract: Disclosed herein is an improved process for the preparation of polymethylene polyphenyl polyisocyanate by reacting phosgene with a corresponding polyamine, followed by removing residual phosgene from the reaction mixture, the improvement comprising removing the residual phosgene by contacting the reaction mixture which is maintained at 150 degrees Centigrade or lower, with an inert solvent vapor stream at a temperature which is sufficient to effect a substantially complete removal of the residual phosgene.
Patent CA-2071428-C (CA)
Title: Mandrel mill capable of preventing stripping miss
Inventor: IMAE TOSHIO
IPC: B21B17/04
Filed: 1992-06-17
Granted: 1995-09-05
Abstract: A mandrel mill for rolling a tubing in a pass between a mandrel bar and a plurality of serially arranged roll stands.   Each roll stand has a plurality of pairs of grooved rolls whose grooves are paired to define a part of the pass.   The grooves of the rolls of a first roll stand define a hole having a circumference of not more than 1.12 times the outer circumference of a tubing at the exit of the final roll stand.   The grooves of the second-stand rolls define a hole having a circumference of not more than 1.06 times that outer circumference,  and those of the third-stand rolls define a hole having a circumference of not more than 1.02 times that outer circumference.  Thus, the mandrel mill is capable of preventing stripping miss even when the billet is of a high-alloy steel.
Patent CA-2075233-C (CA)
Title: Surgical retractor
Inventor: MATULA PAUL A
IPC: A61B17/068
Filed: 1992-08-04
Granted: 2003-04-01
Abstract: A novel surgical retractor is provided including a handle assembly, a housing and a collapsible retractor assembly connected to a distal end of the housing. The handle assembly includes a stationary handle in cooperation with an actuating structure for manipulating the collapsible retractor assembly through the housing.      The handle assembly may be configured in a variety of forms including palm grips, pistol grips, axial grips, ring grips, etc. The housing includes a tubular structure having an inner tube axially disposed within an outer tube.   The outer tube is fixed in the stationary handle with the inner tube passing through the outer tube and connected to the actuating structure. Where desired, either the outer or inner tube may be rotatably attached to the stationary handle. The retractor assembly is attached to the distal end of the housing and includes a reciprocal yoke assembly interconnected with a plurality of collapsible interleaved retractor blades. One element of the yoke assembly is typically maintained stationary while the other is allowed to reciprocate axially to deploy the interleaved retractor blades into a fan configuration.
Patent CA-2080854-C (CA)
Title: Solenoid
Inventor: NEFF JAMES A
IPC: H01F7/16
Filed: 1992-10-19
Granted: 1995-05-23
Abstract: A solenoid having a bobbin with a rectangular core hole in which is mounted an armature having a rectangular cross section, and a pole piece having a rectangular cross section.          The bobbin has a magnet wire coil wound around a bobbin tubular body which is rectangular in cross section.  The bobbin has an upper flange and a lower flange that encloses the ends of the coil.  A tubular can is seated around the bobbin.  A top flux plate is seated on the upper can surface and a bottom flux plate is seated under the lower can surface.  The flux plates are secured to the bobbin flanges.          A sealing, electrical insulating heat dissipating material is disposed inside of the tubular can which seals the coil and insulates the coil from the flux plates, tubular can and solenoid mounting screws.
Patent CA-2083866-C (CA)
Title: Latch mechanism for folding table leg
Inventor: GUTGSELL DAVID R
IPC: A47B3/08
Filed: 1992-11-26
Granted: 1996-09-03
Abstract: A latch mechanism for a folding table in which the table includes stowable legs, a modesty panel and a horizontal table top supported by the legs.  The latch mechanism latches the legs of the table into an upright position.  The latch mechanism includes a pin rigidly fastened to a leg of the table such that the tip of the pin projects away from the leg.  A cantilever spring plate defining a bore sized to receive at least a portion of the tip of the pin therethrough is attached to the modesty panel of the table.  The bore of the spring plate aligns with the pin when the table is opened to its upright position.  The cantilever spring plate includes a bend which resiliently biases the spring plate away from the modesty panel.  The pin is freed from the bore allowing the legs of the table to move to their stowed position when the spring plate is moved toward the modesty panel against the biasing action of the cantilever spring plate.
Patent CA-2091859-C (CA)
Title: Cooling system for a package with electronic circuit components
Inventor: AKAMATSU SHINYA
IPC: H01L23/433
Filed: 1993-03-17
Granted: 1996-07-02
Abstract: A cooling system for cooling electronic circuit components mounted on a wiring substrate includes containers placed on the respective components, and nozzles  each  having  a  central  through-hole  and peripheral through-holes.  The outer bottom surface of each container is in good thermal contact with a corresponding electronic  circuit component.    Each nozzle is inserted into a corresponding container so that first ends of the central and peripheral through-holes  of  the  nozzle  are  positioned  within  the container,  while the opposite ends are positioned outside the container.  The gap between the inner side wall of each container and the outer side surface of a nozzle inserted into the container is hermetically sealed  by  a  sealing member.    Liquid  coolant  is supplied through the central through-hole of each container  into the  container  and  then discharged through the peripheral through-holes to a location outside the container.
Patent CA-2092165-C (CA)
Inventor: NAGANO TUYOSI
IPC: H01L31/0203
Filed: 1993-03-22
Granted: 2001-05-15
Abstract: A chip carrier for an optical device according to the present invention has a carrier body of insulating material, an external electrode, a glass cover fixed on one end of the carrier body, and a metal cover fixed on the other end of the carrier body. The optical device is connected at an electrode thereof to an inside end of the external electrode by a flip-chip bonding.
Patent CA-2100672-C (CA)
Inventor: RICHARDSON ROBERT D
IPC: H02P9/00
Filed: 1992-01-31
Granted: 2001-12-11
Abstract: A variable speed wind turbine (10) is disclosed comprising a turbine rotor (12) that drives an AC induction generator (16 and 18), a power converter (20-34) that converts the generator output to fixed-frequency AC power, a generator controller (38 and 40), and an inverter controller (50 and 52). The generator controller (38 and 40) uses field orientation to regulate either stator cur-rents or voltages to control the torque reacted by the generator. The inverter controller (50 and 52) regulates the output currents to supply multi-phase AC power having leading or lagging currents at an angle specified by a power factor control signal.
Patent CA-2106800-C (CA)
Inventor: HENDRIKS IVO G
IPC: B65D71/14
Filed: 1993-09-23
Granted: 1997-01-28
Abstract: A package  comprising,  shirred,  essentially  cylindrically shaped, food casing strands, each of which has a strand diameter D.  The strands are oriented in the package in such a way that longitudinal axes of the strands are parallel, external surfaces of the strands contact external surfaces of adjacent strands and ends of the strands terminate in approximately the same plane, which plane is perpendicular to the longitudinal axes of the strands.  The strands are further oriented so that lines passing perpendicularly through the central axes of strands located proximate the external surface of the package intersect to form a hexagon in a plane perpendicular to the longitudinal axes.  Sides of the hexagon have side lengths such that the lengths vary by no more than 1 D from each other.   Strands,  internally within the package, i.e. which would not have an exteriorly exposed surface if all package wraps were removed, contact six adjacent strands.    The package usually consists essentially of, n rows of strands and an external package retainer, usually a package wrap.          Preferably each of the lines forming the hexagon passes through the central axes of either an equal number of strands or a number of strands which do not vary by more than one.  Preferably, the package according to the present invention has an odd number of rows n, which is a number of 5 to 15 and the number of strands is other than 50.