baber/WOPTO huggingface dataset:
Patent CA-2344115-C (CA)
Inventor: CHEN YIHONG
IPC: H04B10/17
Filed: 2001-04-12
Granted: 2007-11-06
Abstract: An optical amplifier having a suitable length of Er/Yb co-doped double clad optical fibre is used to amplify an input optical signal. The inner clad of the double clad optical fibre supports the propagation of a multi mode signal used to excite Er/Yb co-dopants in the double clad optical fibre. Simultaneously, a single mode signal launched from a single mode laser pump co--propagates with the input optical signal in the core of the optical fibre. In this model, single mode light travels in the single mode core region and the multi mode pump light is mainly in the clad region. The interaction between the two laser pumps is negligible.
Patent CA-2350807-C (CA)
Inventor: GUHR WOLFGANG
IPC: A63C17/22
Filed: 1999-11-10
Granted: 2005-09-20
Abstract: The present invention relates to a running wheel arrangement having a hub means and a running wheel, which is rotatably supported on the hub means. The invention is characterized in that the hub means comprises an internal hub and an external hub, which are provided substantially in a manner fixed for co-rotation and displaceable against each other in the radial direction, and a spring means which is provided between the internal hub and the external hub.
Patent CA-2356369-C (CA)
Inventor: MCQUADE WILLIAM
IPC: F25B49/02
Filed: 2000-01-13
Granted: 2007-06-26
Abstract: A freeze point protection method and system is provided for water cooled chillers. The method prevents freezing of chilled water and damage to the chiller. The method allows the evaporator temperature to drop below a freezing temperature for a predetermined amount of time prior to shutting down the chiller (126). The temperature of the refrigerant in the water chiller (126) is periodically sensed. The amount of time that the chiller (126) is below a predetermined freezing temperature is periodically counted and compared with a determined maximum time that the chiller (126) may operate at a sensed temperature belo w the predetermined freezing temperature without damaging the chiller (126). The method will shut down the water chiller (126) if the counted time exceeds the determined maximum time. A system for shutting down a water cooled chiller (126) to prevent freezing of chille d water is also provided.
Patent CA-2364895-C (CA)
Title: Procede de forage par fusion metallique
Inventor: FOPPE WERNER
IPC: E21B7/15
Filed: 2000-02-09
Granted: 2008-07-22
Abstract: L'invention concerne un procédé de forage par fusion pour réaliser des trous de forage présentant des dimensions prescrites, notamment un grand diamètre, dans des roches. Selon ce procédé, les déblais en fusion sont comprimés dans la roche environnante qui est fendue sous l'effet de la température et de la pression, et un chemisage du trou de forage est réalisé pendant le forage lors de la solidification de la matière fondue. Une matière en fusion contenant du métal, servant de fluide de forage, est acheminée, par l'intermédiaire d'éléments de conduites, au fond du trou où la roche est déblayée par fusion. A cet effet, on utilise de préférence une matière fondue constituée de métal magnétique. L'invention concerne en outre un dispositif de forage pour mettre en oeuvre ledit procédé et des matériaux utilisés lors de la mise en oeuvre de ce dernier.
Patent CA-2364990-C (CA)
Inventor: STAVA ELLIOTT K
IPC: B23K101/06
Filed: 2001-12-13
Granted: 2004-04-06
Abstract: An electric arc welder operated to perform a short circuit process with a first waveform controlling a short condition followed by a second waveform controlling an arc condition, wherein the welder includes a comparator to create an arc signal when the short condition terminates and a controller shifting the welder from control by the first waveform to control by the second waveform in response to creation of the arc signal.
Patent CA-2365129-C (CA)
Title: Path search method, channel estimation method and communication device
Inventor: SAWAHASHI MAMORU
IPC: H04L27/26
Filed: 2000-12-27
Granted: 2007-12-18
Abstract: A communication device includes at least one of path search means for detecting respective timings of path components included a signal received via a multipath propagation path using pilot symbols of a known phase included in said received signal and channel estimation means for estimating channel variation using the pilot symbols.   The path search means includes a first path search part for detecting respective timings of path components using pilot symbols and a second path search part for detecting respective timings of path components using information symbols derived from a signal demodulated according to the timings detected in the first path search part and pilot symbols.   The channel estimation means includes a pilot symbol acquiring part for acquiring pilot symbols included in the received signal and a channel estimation part for implementing channel estimation using the acquired pilot symbols.
Patent CA-2370156-C (CA)
Inventor: WAGNER CHRISTOPH
IPC: G06T7/55
Filed: 2000-04-26
Granted: 2009-02-17
Abstract: The invention relates to a method for optically detecting the shape of at least one three-dimensional object (1) comprising the following steps: a) positioning of the object (1) of at least one light source (2) and of at least one camera (3) in a number of positions, in three dimensions, b) detection of the respective position of the object (Gi), of the light source (Li) and of the camera (Ki), c) illumination of the object (1) by the light source (2) in the positions (Gi, Li, Ki), d) recording of images (4) of the object (1) in the positions (Gi, Li, Ki), e) determination of the surface normals (5) to the object (1) from the positions (Gi, Li, Ki) and from the images (4), f) allocation of corresponding image points (6) in the images (4) by means of the surface normals (5), g) determination of the three-dimensional shape of the object (1) from the positions (Gi, Li, Ki), from the surface normals (5) and from corresponding image points (6).
Patent CA-2375941-C (CA)
Inventor: LIENART YVETTE
IPC: C07G99/00
Filed: 2000-06-23
Granted: 2011-02-22
Abstract: The invention concerns the use of compounds selected among 1,4 .beta.-D-glucuronans, and/or glycuronic polysaccharides derived from polymers of formula (I), and whereof the number of saccharide units is less than about 30, and/or esters and/or ethers corresponding to polymers of formula (I) or said oligosccahride derivatives, as phytosanitary products in applications related to their activity for amplifying the 1,3 .beta.-D-glucanase enzyme; and/or as biofertilisers in applications related to their activity amplifying the 1,3 .beta.-D-glucanase enzyme, and/or the 1,4 .beta.-D-glucanase, and/or the xyloglucan endotransglycolase.
Patent CA-2381597-C (CA)
Inventor: NATSUHARA MASUHIRO
IPC: H05B3/10
Filed: 2002-04-12
Granted: 2004-08-17
Abstract: A technology that achieves a highly uniform temperature distribution on the surface of large-area semiconductor wafers and substrates for liquid crystals without prior measurement of the resistance-heating-element circuit and subsequent adjustment of the value of resistance. At least one current-receiving point 4 and at least one current-releasing point 5 are provided at the central portion of an insulating substrate 1. One or more resistance-heating-element circuits 2 are embedded in the insulating substrate spirally or pseudospirally from the central portion including the current-receiving point 4 to the peripheral portion of the insulating substrate 1. All the circuits merge with one another at the outermost portion. One or more resistance-heating-element circuits are separated at the outermost portion of the resistance-heating-element circuits and are formed spirally or pseudospirally from the outermost portion to the central portion including the current-releasing point 5.
Patent CA-2389709-C (CA)
Inventor: JONAS ROCHUS
IPC: A61P29/00
Filed: 2000-10-25
Granted: 2009-02-10
Abstract: L'invention concerne des composés de formule (I), dans laquelle R<1>, R<2> représentent indépendamment l'un de l'autre H, A, OA, SA ou Hal ; R<3> représente H ou A ; R<4> représente A ou NH2 ; R<5> représente H, NH2, NHA ou NA2 ; A représente alkyle comportant 1 à 10 atomes de C, alcényle, cycloalkyle ou alkylènecycloalkyle ; Hal représente F, Cl, Br ou I. L'invention concerne également les sels et/ou solvates physiologiquement tolérables de ces composés, qui servent, comme ces derniers, d'inhibiteurs de la phosphodiestérase VII.
Patent CA-2399358-C (CA)
Inventor: LIANG CONGXIN
IPC: A61P37/06
Filed: 2001-02-15
Granted: 2006-03-21
Abstract: The present invention relates to pyrrole substituted 2-indolinone compounds of formula (1): and their pharmaceutically acceptable salts which modulate the activity of protein kinases and therefor are expected to be useful in the prevention and treatment of protein kinase related cellular disorders such as cancer.
Patent CA-2401419-C (CA)
Inventor: MOULIN JEAN-MICHEL
IPC: E02D5/14
Filed: 2001-03-22
Granted: 2007-11-13
Abstract: A method for building sheet pile walls comprises the steps of providing a first sheet pile (10), said first sheet pile (10) having a leading sheet pile interlock (14) with an interlock chamber (20); driving said first sheet pile (10) into the ground while protecting said interlock chamber (20) from ground material; providing a second sheet pile (10'), said second sheet pile (10') having a trailing sheet pile interlock (12') with an interlock head (16); engaging said interlock head (16) of said trailing sheet pile interlock (12') in said interlock chamber (20) of said leading sheet pile interlock (14); driving said second sheet pile (10') into the ground. The method further comprises the step of coating said interlock head (16) of said trailing sheet pile interlock (12') with fixing agent prior to engaging said interlock head (16) of said trailing sheet pile interlock (12') in said interlock chamber (20) of said leading sheet pile interlock (14).
Patent CA-2402999-C (CA)
Inventor: TANIGUCHI SHIGEYOSHI
IPC: B01J23/62
Filed: 2002-01-10
Granted: 2007-11-06
Abstract: A catalyst for clarification of nitrogen oxides which comprises (A) a catalytically active substance comprising (A-a) iridium and (A-b) at least one element selected from the group consisting of the elements belonging to Groups IIIB and IVB of the periodic table and, formed thereon, (B) a refractory inorganic compound covering the substance; or a catalyst for clarification of nitrogen oxides which comprises (A) a catalytically active substance comprising (A-a) iridium and (A-b) at least one element selected from the group consisting of the elements belonging to Groups IIIB  and IVB of the periodic table and (C) at least one element selected from the group consisting of the elements belonging to Group IIIA of the periodic table. The catalyst is capable of decomposing NO x in an exhaust gas with good efficiency in an oxygen excess atmosphere, and is excellent in thermal resistance and in durability in a high temperature region, under a high temperature oxydizing atmosphere, and under the co-presence of moisture and SO x, and further exhibits good catalytic activity in a wide temperature region.
Patent CA-2405216-C (CA)
Inventor: URIE GRANT A
IPC: A43B3/12
Filed: 2002-09-25
Granted: 2007-11-27
Abstract: A sandal construction, including a sole and a strapping system for retaining the sole on a foot. The strapping system includes a front strap and a buckle strap that cooperatively adjust and retain the sandal on the foot of the wearer. The front strap extends from the ankle region to the forefoot region passing over and through the sole. The front strap crisscrosses to form an X-shaped crossover that is substantially centered in the forefoot region. The front strap extends through a buckle that is attached to an adjustable-length buckle strap. The wearer adjusts the strapping system through both the ankle and forefoot regions simply by adjusting the length of the buckle strap.
Patent CA-2413997-C (CA)
Title: Open-loop step motor control system
Inventor: HOLDAWAY CHARLES R
IPC: A61M1/00
Filed: 1996-09-11
Granted: 2008-11-18
Abstract: A motor control system that reduces noise while reducing power requirements but providing sufficient torque. A one-phase-on drive mode modified to microstep between "one phase on" positions is used to accelerate the motor in a non-linear manner to a maximum speed. The microstep drive modes have a constant period, and the step rate of the motor is increased by decreasing the number of microsteps in succeeding steps of the motor. A modified full step waveform maintains the motor at the maximum speed, where the current to one winding of the step motor changes polarity within one motor step while the other remains approximately constant providing increased smoothness in the drive and reduced noise. The polarity changes in accordance with the inductance and the compliance voltage of the motor. A one-phase-on waveform modified to include microsteps between "one phase on" positions later decelerates the motor in a non-linear manner, and the motor stops in a detent position until another waveform of steps is delivered to the motor.
Patent CA-2416096-C (CA)
Title: Appliance attachable to a dryer and a dryer for use therewith
Inventor: BEAUMONT BART DONALD
IPC: D06F58/20
Filed: 2001-07-12
Granted: 2010-04-13
Abstract: A lint collector and safety system for the clothes dryer. The lint collector removes lint. The safety system determines whether the flow of exhaust air is above a pre-set level, and causes an interruption of electrical power to the clothes dryer if there is not. The invention provides for more efficient drying of clothes and reduces risk of fires. The system may also include an interruption of electrical power for other malfunctions of clothes dryer.
Patent CA-2417491-C (CA)
Title: Valve with calibrated flow orifice insert
Inventor: GREEN JAMES W
IPC: F16K5/06
Filed: 2003-01-28
Granted: 2010-11-16
Abstract: A valve with a calibrated flow orifice insert for use in Heating, Ventilation, and Air Conditioning ("HVAC") applications so as to provide metered flow through the valve. The insert is used as a flow control device and is inserted into a conventional threaded ball valve. The insert has a cylindrical axial bore that is sized to provide a maximum valve flow coefficient. Peripheral threads on the insert mate with interior threads on the inlet of the valve body. A pair of bores on the face of the insert permit threaded insertion into the valve. The axial orifice bore through the insert is sized using experimentally-determined formulas related to the Reynolds numbers for the orifice and for the piping upstream of the insert.
Patent CA-2418413-C (CA)
Title: Process for sizing paper
Inventor: PERSSON MICHAEL
IPC: D21H17/29
Filed: 2001-08-02
Granted: 2009-05-12
Abstract: The present invention refers to a process for sizing paper which comprises adding to an aqueous suspension containing cellulosic fibres, and optional fillers, (i) an anionic or cationic sizing dispersion; and (ii) a sizing promoter comprising a cationic organic polymer having one or more aromatic groups, and an anionic polymer having one or more aromatic groups, the anionic polymer being a step-growth polymer, a polysaccharide or a naturally occurring aromatic polymer, forming and draining the obtained suspension, wherein the sizing dispersion and sizing promoter are added separately to the aqueous suspension.
Patent CA-2419724-C (CA)
Inventor: MOCHIZUKI HITOSHI
IPC: F28F1/40
Filed: 2001-08-30
Granted: 2005-10-11
Abstract: A heat exchanger element for a Stirling cycle refrigerator is produced by integrally forming an annular corrugated fin that is produced by forming a sheet material, corrugated so as to have a large number of grooves, into a cylindrical shape with the grooves parallel to an axis of the cylindrical shape and an inner ring-shape d member that is placed in contact with the inner periphery of the annular corrugated fin. A heat rejector or heat absorber for a Stirling cycle refrigerator is produced by inserting this heat exchanger element into the hollow portion of a tubular body.
Patent CA-2424175-C (CA)
Title: Appareil et procede permettant de traiter l'incontinence urinaire feminine
Inventor: EDWARDS STUART D
IPC: A61B18/14
Filed: 2001-09-28
Granted: 2010-11-02
Abstract: L'invention concerne un appareil permettant le remodelage dans le tractus urinaire d'une femme, qui comprend un dispositif de remodelage (61) possédant une tige (62) avec un profil et des extrémités proximale et distale (63, 63). Une poignée (71) est fixée à l'extrémité proximale de la tige (62). Plusieurs électrodes-aiguilles (102, 104) sont supportées par l'extrémité distale de la tige (62) et sont disposées à la circonférence de cette dernière (62). Un poussoir est supporté par la poignée pour déplacer les aiguilles des électrodes à partir d'une position rétractée dans laquelle elles s'étendent transversalement derrière le profil de la tige (62). Une pompe (147) est reliée à la poignée pour amener un liquide de refroidissement à l'extrémité distale de la tige de manière à ce qu'il sorte de la tige à proximité des électrodes-aiguilles (102, 104). Un générateur RF (156) est couplé à la poignée (71) et aux électrodes-aiguilles (102, 104) pour alimenter en énergie radiofréquence les électrodes-aiguilles (102, 104).
Patent CA-2425526-C (CA)
Title: Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle
Inventor: MARTIN DIETMAR
IPC: E02F1/00
Filed: 2001-10-08
Granted: 2009-04-14
Abstract: The invention relates to a an assembly for exchangeably fastening an add-on, for example an excavator shovel (2), to an excavator boom (3), whereby retaining bolts (4, 5) spaced apart (A) in parallel are disposed on the excavator shovel (2). Said retaining bolts (4, 5) can be gripped by grippers (6, 7) mounted on the excavator shovel (3) that can be hydraulically adjusted relative each other. Said grippers (6, 7) have open insertion openings (8, 9) for the retaining bolts (4, 5) in directions facing away from each other. The longitudinal axis (10) of the hydraulic drive (11) for adjusting the grippers (6, 7), the center axis (12, 13) of the retaining bolts (4, 5) and the center axis (14, 15) of the insertion openings (8, 9) on the grippers (6, 7) are at least approximately arranged in one plane (16). One gripper (6) is retained in parallel to the axis of the drive (11) in a guide (17) and can be linearly displaced. The parts of the hydraulic or pneumatic drive (11), namely the cylinder (20) and the piston (21) are firmly linked with the grippers (6, 7).
Patent CA-2426968-C (CA)
Inventor: ZAZOVSKY ALEXANDER
IPC: E21B49/08
Filed: 2003-04-28
Granted: 2006-10-03
Abstract: An apparatus and method for extracting fluid from a subsurface formation is disclosed. A downhole sampling tool is provided with a probe having an internal wall capable of selectively diverting virgin fluids into one or more virgin flow channels for sampling, while diverting contaminated fluids into one or more contaminated flow channels to be discarded. The characteristics of the fluid passing through the channels of the probe may also be measured using techniques, such as optical density, to evaluate various fluid parameters, such as contamination levels. The data generated during sampling may be sent to a controller capable of generating data, communicating and/or sending command signals. The flow of fluid into the downhole tool may be selectively adjusted to optimize the flow of fluid into the channels by adjusting the internal wall within the probe and/or by adjusting the flow rates through the channels. The configuration of the internal wall and/or the flow rates may be automatically adjusted by the controller and/or manually manipulated to further optimize the fluid flow.
Patent CA-2427453-C (CA)
Inventor: GUDMESTAD TARALD
IPC: E21B23/00
Filed: 2001-12-04
Granted: 2008-05-06
Abstract: The present invention generally provides a running tool (100) comprising a torque-dampening system. A first portion (116) and a second portion (118) of the running tool are operably related by a torsion interface (128). In one embodiment, the torsion interface includes a plurality of interlaced teeth (130A,130B) disposed on the each of the first and second portions. During relative rotation of the first and second portions, the teeth engage and "ride up" on one another, thereby forcing the first and second portions in opposite axial directions. At least one of the portions houses a flow restrictor assembly (264) adapted to restrict fluid flow from one region to another during the axial movement of the portions. Accordingly, the relative rotation between the portions is inhibited, or dampened.
Patent CA-2427567-C (CA)
Inventor: GARIBOTTO JOHN T
IPC: A61K9/22
Filed: 2001-11-09
Granted: 2008-10-07
Abstract: A device (10) for delivering fluid to a patient including a passageway having a proximal fluid transport tube, a distal fluid transport tube, and a tubular expansion member coupling the fluid transport tubes. A penetrating member (704) is positioned within the expansion member for axial movement between the fluid transport tubes, and has a sharpened distal tip. The device also includes a dispenser (40) for causing fluid from a reservoir (30) to flow to the proximal fluid transport tube, a housing (20) containing the dispenser and the passageway and including an exit port (70) receiving the distal fluid transport tube, and a connecting member secured to the penetrating member. The connecting member is movable by a user from an exterior of the housing and arranged such that movement causes the penetrating member to move between an extended position and a retracted position.
Patent CA-2432094-C (CA)
Inventor: LIU ZHEJI
IPC: F04D17/10
Filed: 2001-11-08
Granted: 2010-07-27
Abstract: This invention relates to a double layer acoustic liner for attenuating noise and consisting of a plurality of cells formed in a plate in a manner to form an array of resonators, and a fluid processing device and method incorporating same.
Patent CA-2439238-C (CA)
Inventor: DUVAL RENAUD
IPC: D04H18/02
Filed: 2002-02-26
Granted: 2008-11-04
Abstract: Procédé d'aiguilletage d'une structure fibreuse selon lequel une structure fibreuse à aiguilleter est entraînée pour lui conférer un mouvement d'avance en regard d'une tête d'aiguilletage portant une pluralité d'aiguilles animées d'un mouvement alternatif au cours duquel elles pénètrent dans la structure fibreuse et ressortent de celle-ci. La vitesse d'avance instantanée de la structure fibreuse décroît en réponse à la résistance à l'avance exercée par les aiguilles lors de leur pénétration au sein de la structure, et augmente ensuite au retrait des aiguilles, de sorte que l'effort exercé sur les aiguilles par l'avance de la structure est limité, sans interrompre complètement l'avance pendant toute la durée de présence des aiguilles dans la structure. La décroissance de la vitesse d'avance peut être provoquée directement par la résistance à l'avance exercée par les aiguilles en utilisant un dispositif d'entraînement avec une transmission présentant un jeu élastique capable d'absorber la décroissance de la vitesse d'avance de la structure fibreuse.