baber/WOPTO huggingface dataset:
Patent CA-2136360-C (CA)
Inventor: SHIGEMATSU MASAYUKI
IPC: H01S3/0941
Filed: 1994-11-22
Granted: 2002-07-09
Abstract: An optical fiber amplifier comprises a composite optical fiber for receiving signal light and excitation light, amplifying the signal light and emitting the amplified signal light, comprising at least two kinds of optical fibers serially coupled each having a glass composition selected from at least two kinds of rare-earth-doped glass compositions, and excitation means for generating excitation light and supplying it to the composite optical fiber. Then, an optical fiber amplifier which reduces the wavelength dependency of gain in various wavelength ranges in wavelength division multiplexing transmission or in optical analog transmission, and which maintains an energy efficiency for amplification, an optical fiber amplifier which makes a wavelength at a gain peak to a predetermined one in accordance with intensities of various input lights, and an optical amplifier repeater comprising this optical fiber amplifier are provided.
Patent CA-2137768-C (CA)
Inventor: LENARD FRANK
IPC: E02B3/12
Filed: 1994-11-24
Granted: 2003-07-29
Abstract: Water permeable bags are filled up with sand and placed on the beach, at or near the water's edge, the bag being fabricated, preferably, from a water permeable non-rotting material such as woven plastic or synthetic strips or bands. These types of bags can be recycled from spent animal feed bags which are commonly available in the agricultural industry.  Particularly suitable are spent feed bags, particularly from hogs, chickens or the like, that are commonly available through animal feed suppliers as recycled feed bags.  Preferably, the bags are juxtaposed one against the other and placed with a longitudinal axis orthogonal to the water's edge and along the water's edge or at the water's edge. Bags may be placed on top of a lower row of bags so that an effective barrier is created that is about two bags in width high, or even more.  Wave action during storm conditions having entrained sand from the water body overflows the bags and the velocity of the wave is slowed in behind the barrier and beach accretion occurs.
Patent CA-2143330-C (CA)
Title: Liquid or gel detergent compositions containing calcium and stabilizing agent thereof
Inventor: DYET JULIE ANNE
IPC: C11D1/92
Filed: 1993-08-25
Granted: 1999-02-23
Abstract: Liquid or gel detergent compositions having improved physical stability comprise, by weight of the composition: (a) from about 3 percent to about 95 % of anionic sulfate or sulfonate surfactant; (b) from about 3 % to about 40 % nonionic surfactant, preferably polyhydroxy fatty acid amide having formula (I) wherein R1 is hydrogen, C1-C4 hydrocarbyl, 2-hydroxyethyl, 2-hydroxypropyl, or mixtures thereof; R7 is C5-C31 hydrocarbyl; and Z is a polyhydroxy-hydrocarbyl having a linear hydrocarbyl chain with at least three hydroxyl groups directly connected to the chain, or an alkoxylated derivative thereof; (c) from about 0.1% to about 3% of calcium or strontium ions; (d) from 0.05 to 10 % of malic, maleic or acetic acid, at a molar ratio with calcium of from 0.01:1 to 10:1.
Patent CA-2143384-C (CA)
Title: Device for adjusting a driving chain in a snowmobile
Inventor: KAWANO SHIZUO
IPC: B62D55/07
Filed: 1995-02-24
Granted: 1999-11-09
Abstract: A chain of a driving device for a snowmobile can be adjusted by a simple operation. A gear case is provided with lever portions. One lever portion is mounted on a gear case pivot. The other lever portion is fastened with a bracket provided on an upper frame through a chain adjuster. The chain adjuster has a cam surface and has a rotational shaft held in a slit of the bracket. The chain adjuster is loosened and rotated through a predetermined angle. Then, the gear case rotates around the gear case pivot and the idle shaft moves whereby stretching of the chain can be finely adjusted.
Patent CA-2151568-C (CA)
Title: Slag handling system
Inventor: DAVIS WILLIAM MARGERUM JR
IPC: B65G53/30
Filed: 1995-06-12
Granted: 2006-08-08
Abstract: A batch slag handling system for gasifiers and the like which operate under pressure, has a lockhopper receiving the slag under pressure and dispensing it after depressurization. The slag is ground and combined with water for transport to a slag sump where it is dewatered and then removed from the site. Sluice water is provided by a closed loop system.
Patent CA-2159997-C (CA)
Title: Personal alarm system
Inventor: TAYLOR WILLIAM R
IPC: G08B21/04
Filed: 1994-04-08
Granted: 1999-09-28
Abstract: A motion responsive alarm system including a motion sensor (10) having a housing with a rotatable disk (12) therein, a slot (34) in the disk and a ball bearing (32) in the slot and being loosely confined within an annular chamber (30) in the housing surrounding the disk. The disk contains a plurality of orifices (22) which pass between an LED (24) on one side of the disk and a phototransistor (26) on the other. A signal from the phototransistor is sent to a triggering circuit (51, 89, 100, 102) by interrupting light transfer between the LED and the phototransistor. The circuit includes a novel oscillator (60) having a duty cycle of 10 % which drives the LED in the sensor. The device may be coupled to a self-contained breathing apparatus (104, 106, 150, 152, 154-160, 162, 164, 166, 168) and is energized only when the breathing apparatus mask (156) is being worn by the user.
Patent CA-2167846-C (CA)
Title: Enduit anticorrosion multicouche
Inventor: HARDIMAN CHRISTOPHER JOHN
IPC: C09D201/00
Filed: 1994-07-22
Granted: 2003-06-17
Abstract: Stratifiés métalliques résistant à la corrosion et possédant en série une couche en métal, une couche conductrice non métallique et une couche non conductrice. La couche conductrice non métallique comprend un polymère conducteur, par exemple, polyaniline ou polypyrrole, dans une matrice non conductrice, par exemple, une matrice inorganique, telle qu'un silicate, une matrice polymère thermoplastique, telle qu'une polyoléfine ou un polymère de vinyle ou une matrice polymère thermodurcie, telle qu'époxy, polyuréthane ou polyimide. Les polymères intrinsèquement conducteurs préférés comprennent la polyaniline dopée à l'acide sulfonique. La matrice contenant le polymère intrinsèquement conducteur adhère de préférence fermement au métal et constitue une résistance améliorée à la corrosion dans une variété d'environnements corrosifs, tels que des environnements acides, alcalins ou salins.
Patent CA-2173466-C (CA)
Inventor: GOLLER LARS
IPC: H04R7/02
Filed: 1994-09-30
Granted: 2004-09-28
Abstract: In quality loudspeakers there are certain distortion problems owing to a lack of damping of the movements of the outer, free edge of the loudspeaker diaphragm. In connection with the invention it has been recognized that these problems are widely due to some special interference phenomena originating from the total movement of the diaphragm, and according to the invention it has been found advantageous to provide, in the area of the outer edge of the diaphragm, a differentiation with respect to the effective spring characteristic of the edge suspension of the diaphragm. This is achievable in a variety of manners, e.g. already by a cutting off of pieces of the exterior diaphragm zone as secured to the edge suspension.
Patent CA-2174061-C (CA)
Inventor: NESVADBA PETER
IPC: C07C59/80
Filed: 1996-04-12
Granted: 2009-01-20
Abstract: Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storage by the incorporation therein of an effective stabilizing amount of a 7-substituted quinone methide compound of formula I: (see formula I) wherein R1 and R2 are independently alkyl of 4 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms or phenylalkyl of 7 to 15 carbon atoms, and R3 is -CN, -COOH, - COOR4 ,- COR5,- OCOR6,- CONR7R8 or -PO(OR9)2 where R4 is alkyl of 1 to 18 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, phenyl or benzyl, R5 is alkyl of 1 to 18 carbon atoms, aryl of 6 to 10 carbon atoms or said aryl substituted by one or two alkyl of 1 to 4 carbon atoms or by hydroxyl, R6 is alkyl of 1 to 18 carbon atoms, aryl of 6 to 10 carbon atoms or said aryl substituted by one or two alkyl of 1 to 4 carbon atoms or by hydroxyl, R7 and R8 are independently hydrogen, alkyl of 1 to 18 carbon atoms or said alkyl substituted by alkylamino of 1 to 4 carbon atoms, by dialkylamino of 2 to 8 carbon atoms or by hydroxyl; benzyl, aryl of 6 to 10 carbon atoms or said aryl substituted by alkyl of 1 to 4 carbon atoms, by alkylamino of 1 to 4 carbon atoms, by dialkylamino of 2 to 8 carbon atoms, by phenylamino or by hydroxyl, or -NR7R8 is morpholino, piperidino or pyrrolidino, and R9 is hydrogen or alkyl of 1 to 18 carbon atoms.
Patent CA-2174804-C (CA)
Title: Formation fluid flow rate determination method and apparatus for electric wireline formation testing tools
Inventor: SHWE THAN
IPC: G01N7/14
Filed: 1996-04-23
Granted: 1999-09-07
Abstract: A method of determining the volume of a fluid sample withdrawn from an earth formation penetrated by a wellbore is disclosed. The method includes the step of positioning a formation testing tool adjacent to the earth formation. The tool includes a probe which can be selectively placed in hydraulic communication with the formation and excluded from hydraulic communication with the wellbore. The probecan be in hydraulic communication with a pressure transducer. The tool includes a sample chamber selectively placed in hydraulic communication with the probe. Thechamber includes means for measuring the volume of the chamber and means for selectively controlling the volume of the chamber. The method further includes the steps of placing the probe in hydraulic communication with the formation, placing the sample chamber in hydraulic communication with the probe and selectively increasing the volume of the chamber while measuring the volume of the chamber and the pressure, determining the volume of the chamber when a fluid from the wellbore disposed within the probe at the start of withdrawal of the sample ceases to expand, by determining an expansion volumeat which the pressure decreases less rapidly with respect to an increase in chamber volume, and determining the volume of the fluid sample by subtracting the expansion volume from a total volume of fluid withdrawn into the sample chamber.
Patent CA-2178669-C (CA)
Inventor: SCHOENE KEITH R
IPC: B25B5/10
Filed: 1996-06-10
Granted: 1999-12-21
Abstract: A miter saw clamp accessory to facilitate vertical and/or horizontal clamping of a workpiece against a supporting worktable and fence is disclosed. The miter saw clamp accessory includes a pair of extension rods extending laterally outwardly from one end of a frame with a clamp support mounted on such extension rods. A clamp shaft is adapted to be mounted in a top opening of the clamp support for vertical clamping or in a side opening of the clamp support for horizontal clamping of the workpiece. A clamp assembly is mounted on the clamp shaft and includes a connecting arm for adjustable mounting of a clamping arm having a workpiece clamp at one end that is arranged for confronting opposed positioning relative to the frame for vertical clamping or to the fence for horizontal clamping of the workpiece. A miter saw crown molding jig accessory is also disclosed for mounting on a miter saw frame. This accessory includes a shaft mounted immediately adjacent to the worktable fence and a clamp head that is adjustably mounted on the shaft and includes a vertically extending bearing surface and a horizontally extending upper shoulder which overhangs the vertically extending bearing surface. The clamp head is moved on the shaft until the horizontally extending upper shoulder rests on a top edge of the crown molding while the vertically extending bearing surface engages a side edge of the crown molding in alignment with the worktable fence.
Patent CA-2179120-C (CA)
Title: A method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method
Inventor: OGAWA KAZUFUMI
IPC: C09D183/04
Filed: 1996-06-13
Granted: 2003-04-01
Abstract: The methods of forming a chemically adsorbed film by contacting a substrate with a solution mixture containing an alkoxysilane surface active agent, a non-aqueous solvent and a silanol-condensing catalyst to form a film covalently bonded to the substrate via siloxane bonds.  These methods do not generate hydrochloric acid gas in forming the films and allow practical reaction rates.
Patent CA-2183206-C (CA)
Inventor: ICHIKAWA SYUZI
IPC: H04M1/00
Filed: 1996-08-13
Granted: 2002-04-16
Abstract: A ringer circuit which generates a sine wave, where an amplified output of a transistor for oscillation is fed back to a base of the transistor. An output from an output transistors is a sine wave.  When this sine wave output is supplied to a circuit for driving a ringer IC, in which the output is rectified and integrated, the current waveform appearing between input terminals of a rectifier is a sine wave, not in a pulse form.  Therefore, the fluctuation appearing in the current waveform at the output of an integrator is insignificant, and the average current will increase.  As a result, it is possible to drive a ringer IC regardless of a load (value of components in the integrator).          Further, it is possible to drive a telephone set with only R and C.  A ringing tone with less noise can be generated.          Thus, a ringing tone can be generated regardless of the type of telephone set, without increasing the frequency of an oscillation output.
Patent CA-2183696-C (CA)
Inventor: NADHERNY RUDOLPH E
IPC: F16L3/24
Filed: 1996-08-20
Granted: 2006-01-10
Abstract: A system for anchoring a pipe, such as a train pipe, to the inside of an elongated right angle structural part or member, such as may be mounted on a sidewall of a rail car. The elongated right angle structural part has a plurality of spaced bolt receiving holes extending through one leg and a plurality of pipe anchor bases, with brackets fastened thereto, are attached to the right angle structural member by means of a single bolt extending through a bracket and one of the spaced bolt receiving holes. Each pipe anchor base may be of the general type found in known pipe anchors as disclosed, for example, in U.S. Patent No. 2,546,792 dated March 27, 1951, Patent No. 2,625,354 dated January 13, 1953 and Patent No. 4,222,538 dated September 16, 1980. Once a combined pipe anchor base and its bracket has been installed on the inside of the right angle structural part, relative movement between the bracket/anchor base combination and the structural part will be prevented. Each bracket will have an elongated opening in a portion thereof which engages one of the legs of the right angle structural part which opening will permit the insertion of a bolt through the bracket and through one of the holes in a leg of the structural part with a portion of the elongated opening registering with the bolt receiving hole.
Patent CA-2184072-C (CA)
Inventor: ROSEN PER
IPC: F02M25/032
Filed: 1995-01-16
Granted: 2004-09-21
Abstract: The invention relates to a method for supplying vapour to intake air that is supplied to an internal combustion engine (1). The method comprises the steps of compressing the intake air before supplying the vapour and contacting, in a moistening means (8), the intake air with liquid, by simultaneously feeding the compressed intake air and the liquid into the moistening means (8) and causing the intake air and the liquid to flow in opposite directions through the moistening means (8). The invention also relates to a device for supplying vapour to the intake air of an internal combustion engine (1), to which a compressor (6) for compressing the intake air is connected. The device comprises a moistening means (8), which is connected between the compressor (6) and the engine (1) and which comprises a first connection for feeding the water into the moistening means (8) and a second connection for feeding the intake air into the moistening means (8), the moistening means (8) being adapted to carry out the supply of water vapour to the intake air by contacting the intake air and the water with each other, while flowing in opposite directions through the moistening means.
Patent CA-2190672-C (CA)
Title: Communication system and method using two-way paging to provide call control
Inventor: SILVERMAN DAVID PHILLIP
IPC: H04M3/42
Filed: 1996-11-19
Granted: 2000-05-23
Abstract: A system and method of using two-way paging to establish communications with a mobile party having a Personal Telephone Number.  The mobile party uses the two-way pager to transmit call control parameters which are used by the telephone network to route calls directed to the party's PTN.  The mobile party may also use the pager to transmit subsequent routing parameters which are used by the network to reroute calls which have been previously routed.  The subsequent routing of a call may be performed at any time following a previous routing, even after the call has received answer supervision.
Patent CA-2192046-C (CA)
Inventor: JACOBSEN STEPHEN C
IPC: A61M25/09
Filed: 1996-12-04
Granted: 2007-03-27
Abstract: A catheter guide wire includes a strip of material formed into an elongate coil, with a central hollow having a plurality of windings. The windings include inhibiting features to inhibit relative rotation of adjacent windings. A central wire core is inserted through the hollow of the coil and welded to some of the windings to keep them from separating longitudinally.      This construction allows for lateral flexibility of the guide wire, but with desired torsional stiffness.
Patent CA-2194956-C (CA)
Inventor: MANKU TAJINDER
IPC: G01R27/26
Filed: 1995-08-21
Granted: 2000-08-15
Abstract: A capacitance measuring device comprises a MOS transistor having a source, drain, and gate; a first capacitor C1 connected between the gate and the drain so that charge is coupled from said drain onto said gate; and a second capacitor C2 connected to a source of gate voltage VG and to the gate. One of the first and second capacitors has a known capacitance and the other has an unknown capacitance. A DC voltage is supplied between the source and drain to cause a saturation current to flow therebetween. The ratio .delta.VG/.delta.Vd for the saturation current, where VG is the applied gate voltage, and Vd is the drain voltage, is measured and the unknown capacitance derived therefrom.
Patent CA-2198143-C (CA)
Inventor: PATIL ABHIMANYU ONKAR
IPC: C10M133/52
Filed: 1995-11-20
Granted: 2007-08-07
Abstract: Adducts useful as fuel or lubricating oil additives are disclosed. The adducts comprise the reaction product of at least one quinone compound and an amine-containing polymeric material comprising at least one member selected from the group consisting of: (i) a first amine-containing polymer derived from a hydrocarbon polymer having a number average molecular weight of from about 300 to 20,000 and (ii) a second amine-containing polymer having a carbon-carbon backbone and formed by the process of polymerizing an organometallic compound-masked nitrogen containing monomer and a polymer chain monomer selected from the group consisting of ethylene, C3 to C25 alpha-olefins, and mixtures thereof, followed by deashing to remove the organometallic compound; wherein the amine-containing polymeric material has within its structure at least one reactive amino group selected from the group consisting of primary amino groups, secondary amino groups and mixtures thereof. The adducts possess dispersant, detergent, antioxidant and anti-corrosion properties.
Patent CA-2199158-C (CA)
Title: Seed-specific promoter from barley beta-amylase gene
Inventor: OKADA YUKIO
IPC: C07K14/415
Filed: 1996-07-05
Granted: 2011-01-25
Abstract: A promoter capable of expressing in a plant seed a gene transduced therein; a vector containing the promoter; a method for constructing a transgenic plant through transformation by the vector; and the transgenic plant transformed by the vector. An appropriate alien gene and a terminator are ligated to the promoter followed by introduction into plants such as barley, which makes it possible to improve seeds of these plants or to produce a substance in the seeds.
Patent CA-2199678-C (CA)
Title: Monitor for uncommanded braking
Inventor: COOK ROBERT D
IPC: B60T17/22
Filed: 1997-03-11
Granted: 2003-05-27
Abstract: The monitor for uncommanded braking controls uncommanded brake application on one or more wheels during takeoff of an aircraft.  Brake pedal application is determined,  brake pressure is measured,  and brake pressure is compared with a selected threshold brake pressure.  A brake pressure applied signal is generated when the brake pressure  exceeds the threshold brake pressure.   The  pedal  application  signal  and  brake pressure applied signal are received by a fault latch logic circuit that generates a fault latch output signal when uncommanded braking has occurred.  A test inhibit signal is also generated when weight is not applied on the wheel.  The test inhibit signal is also input to the fault latch logic circuit so that uncommanded braking can occur when the aircraft is in the air and weight is off the wheel.   The monitor disables or latches off the shutoff valve when pressure is detected without pedal application.  A fail-safe feature re-enables the shutoff valve to allow it to turn on, and monitoring is stopped, when pedal application is detected.
Patent CA-2202954-C (CA)
Title: Low moisture/closed door broil oven ventilation system
Inventor: VALLE MIGUEL A
IPC: F24C15/00
Filed: 1997-04-17
Granted: 2008-04-01
Abstract: An oven having a ventilation system capable of providing reduced temperature, low moisture exhaust air is provided. The oven has an oven cavity defined by a partition having a through hole and enclosed by an oven door having an air inlet to accept incoming air and a separator located within the door to divide the incoming air into at least a first path and a second path. The oven has an air duct surrounding the partition having at least one inlet at the front of the oven below the door, at least one inlet at the back of the oven and an air outlet at the front of the oven above the door. Also, the oven has a ventilation system capable of providing reduced temperature exhaust air out the air outlet located at the front of the oven. The ventilation system includes a vent box having a vent cap located thereon, the vent cap having at least one opening; a vent tube constructed and arranged in the through hole of the partition connecting the oven cavity to the vent box to allow oven air from the oven cavity to pass to the vent box; and a device for generating a supply of forced air from air drawn in through the air inlets via the air duct. The device for generating a supply of forced air is constructed and arranged such that the supply of forced air travels through the opening of the vent cap thereby creating suction to combine the forced air with the oven air from the vent tube to form a combined airflow. The combined airflow is exhausted out the air outlet at the front of the oven above the door.
Patent CA-2203566-C (CA)
Inventor: HOSOKAWA YUKO
IPC: A61K9/00
Filed: 1995-10-24
Granted: 2001-10-23
Abstract: Cette préparation administrable par voie percutanée contient une 9-aminocyclopenta(b)quinoline, de préférence 9-amino-2,3,5,6,7,8-hexahydro-1H-cyclopenta(b)quinoline ou un hydrochlorure de cette quinoline, comme principe actif, ainsi qu'au moins un accélérateur d'absorption percutanée, choisi dans le groupe constitué par des acides gras, des esters d'acides gras et des alcools, tels que de préférence un glycéride d'un acide gras saturé en C6-C12.