baber/WOPTO huggingface dataset:
Patent CA-2493160-A1 (CA)
Title: High speed planer head
Inventor: STAGER BRADLEY R
IPC: B27C1/08
Filed: 2005-02-04
Abstract: A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded member has a frustoconical ramping portion for producing a wedging force against the knife when the threaded member is threaded into a threaded hole in the hub. According to another aspect of the invention, a second hub for carrying a second knife is provided, the second hub preferably being bolted to the first hub to that the hubs can be disassembled. The second knife preferably has two linear cutting edges and the second knife preferably has at least two curvilinear cutting edges and more preferably has four concave, semi-circular cutting edges that are spaced apart from one another with 90 degree rotational symmetry.
Patent CA-2493379-A1 (CA)
Inventor: ZUPANICK JOSEPH A
IPC: E21B7/06
Filed: 2003-07-11
Abstract: In accordance with one embodiment of the present invention, a method for drilling wellbores includes drilling a main wellbore and disposing a casing string in the main wellbore. The casing string has a deflecting member and a sealing member coupled thereto. The method further includes disposing a drill string having a drill bit coupled at a lower end thereof in the casing string and drilling, from the main wellbore, a first lateral wellbore at a first depth with the drill bit. The method further includes removing the drill bit from the first lateral wellbore, transferring the casing string and the drill bit to a second depth that is higher than the first depth, drilling, from the main wellbore, a second lateral wellbore at the second depth with the drill bit, and preventing, using the sealing member, a fluid from the first lateral wellbore from flowing above approximately the second depth while drilling the second lateral wellbore.
Patent CA-2494596-A1 (CA)
Title: Lithium secondary battery
Inventor: HATTORI TAKASHI
IPC: H01M6/16
Filed: 2003-07-31
Abstract: A lithium secondary battery comprising a positive electrode, a negative electrode of artificial graphite or natural graphite and a nonaqueous electrolytic solution having an electrolyte dissolved in a nonaqueous solven t, wherein 0.1 to 20 wt.% of a cyclohexylbenzene having a halogen atom bonded t o the benzene ring thereof is contained in the nonaqueous electrolytic solutio n. This lithium secondary battery exhibits large electric capacity and excellen t cycle characteristics.
Patent CA-2496966-A1 (CA)
Title: Scanner for nuclear quadrupole resonance measurements and method therefor
Inventor: RUDAKOV TARAS NIKOLAEVITCH
IPC: G01R33/36
Filed: 2003-06-26
Abstract: An NQR scanner for detecting the presence of a substance containing quadrupole nuclei within an object. A pulse generating means (1) generates pulse sequences that are used to irradiate the object in a pulsed magnetic field at a requisite NQR frequency for the substance to be detected. A high power RF  transmit amplifier (2) amplifies the signal to produce sufficient magnetic field strength to irradiate a scan volume within which the object is disposed for detection purposes and cause an NQR transition to a detectable level within the substance if present within the object. A method for detecting the presence of a substance containing quadrupole nuclei within an object is also described
Patent CA-2497299-A1 (CA)
Inventor: ANDRAS LINN R
IPC: B23B29/24
Filed: 2003-09-02
Abstract: A toolholder (20) comprises a body portion (32), a support member assembly (33) mounted to the body portion and an insert-receiving cartridge (36) removably received in the support member. The insert-receiving cartridge (36 ) includes a pocket (38) for mounting a cutting insert (40) thereon. The suppo rt member assembly (33) includes a bore and the insert-receiving cartridge (36) includes a shank capable of being received in the bore. The combination of t he insert-receiving cartridge (36) and the cutting insert (40) forms a cutting tool for a particular cutting operation. In one embodiment, the cutting tool s are radially mounted to a side periphery of the body portion (32) such that the vertical axis of the cutting tool is substantially parallel to the longitudinal axis (L) of the toolholder (20).
Patent CA-2499509-A1 (CA)
Title: Dispensing apparatus and method for liquid products, particularly medicinal products
Inventor: FONTANNAZ JOEL
IPC: B05B11/00
Filed: 2003-08-27
Abstract: A dispensing apparatus for a liquid product, the apparatus comprising a) a housing (2) or frame (3), b) a receptacle (4) for the liquid with a feed nozzle (4a) arranged substantially stationary with respect to the housing or frame, c) a dosing chamber (11) having an orifice (11a), d) a mechanism arranged to allow at least ejection of liquid through the orifice and e) a through passage (7) arranged to allow the ejected liquid to pass in a direction different from the feed nozzle or opening. The mechanism comprises a mobile element arranged movable with respect to the housing or frame between at least a first position in which the orifice of the dosing chamber and the feed nozzle or opening are in flow communication and a second position in which the orifice and the through passage are in flow communication and the mechanism is arranged to allow aspiration of liquid through the orifice when the mobile element is in the first position and ejection of liquid through the orifice when the mobile element is in the second position. A method for operating the device comprises the steps of i) connecting the orifice and the nozzle or opening in flow communication, ii) filling liquid into the dosing chamber through the orifice, iii) aligning the orifice with the through passage, and iv) ejecting liquid from the dosing chamber through the orifice.
Patent CA-2499736-A1 (CA)
Title: Substituted 4-(indazol-3-yl)phenols as estrogen receptor (er) ligands and their use in the treatment of inflammatory diseases
Inventor: MATELAN EDWARD MARTIN
IPC: A61P3/06
Filed: 2003-09-24
Abstract: This invention provides compound of formulae I or II having the structure wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are as defined in the specification or a pharmaceutically acceptable salt thereof which are useful for the treatment of the inflammatory component of diseases and are particularly useful in treating atherosclerosis, myocardial infarction, congestive heart failure, inflammatory bowel disease. Arthritis, type II  diabetes, and autoimmune diseases such as multiple sclerosis and rheumatiod arthritis.
Patent CA-2500471-A1 (CA)
Inventor: WANG WANG TIEN
IPC: B24B23/06
Filed: 2005-03-11
Abstract: A belt sander includes a frame, a support seat, a first wheel rod, a second wheel rod, a sand belt, an adjusting unit, and an operation unit. Thus, the operation handle of the operation unit is rotated to rotate the drive shaft which rotates the drive bevel gear which rotates the driven bevel gear which rotates the driven shaft which rotates the threaded rod to move the slide rod by rotation of the threaded rod so that the slide rod moves the support seat relative to the frame to move the first wheel rod relative to the second wheel rod to change the distance between the first wheel rod and the second wheel rod so as to adjust the tension of the sand belt.
Patent CA-2502022-A1 (CA)
Inventor: SHAW CRAIG WILLIAM
IPC: A23P1/00
Filed: 2005-03-23
Abstract: L'invention suivante concerne un appareil servant à remplir une substance alimentaire dans une cavité d'un objet. L'appareil possède un conduit muni d'un orifice d'entrée, d'un orifice de sortie et d'un canal intérieur s'étendant entre l'orifice d'entrée et l'orifice de sortie. Le conduit est conçu pour permettre le passage d'une substance alimentaire sèche à l'intérieur du canal entre l'orifice d'entrée et l'orifice de sortie. L'appareil est également doté d'un injecteur de liquide relié souplement au conduit et à une source de liquide. L'injecteur de liquide est conçu pour permettre l'injection d'un liquide à l'intérieur du canal du conduit pour être mélangé à la substance alimentaire sèche au moment du passage dans le canal et obtenir une substance alimentaire humide. L'appareil possède aussi une buse munie d'un orifice d'entrée, d'un orifice de sortie et d'un canal intérieur s'étendant entre l'orifice d'entrée et l'orifice de sortie. La buse est connectée souplement au conduit et à l'injecteur de fluide. L'orifice de sortie de la buse est conçu pour remplir l'intérieur de la cavité de l'objet avec la substance alimentaire humide. Une méthode de remplissage de la cavité de l'objet avec la substance alimentaire est aussi divulguée. Un objet muni d'une cavité susceptible de contenir une substance alimentaire après avoir été remplie selon la méthode relative à cette invention est aussi inclus.
Patent CA-2503947-A1 (CA)
Title: Fuel system component and method of manufacture
Inventor: KNUEPPEL HARALD
IPC: B60K15/04
Filed: 2005-04-05
Abstract: A fuel tank that is substantially impermeable to fuel vapor has a shell with an interior for holding fuel, an opening for receiving fuel into the interior, and a fill nipple with a barrier layer. The fill nipple has an outer surface and an inner surface defining a passage extending between a pair of generally opposed ends of the fill nipple. One of the ends is attached to the shell such that the passage is aligned with the opening to allow fuel to flow through the passage and into the interior of the fuel tank. The fill nipple has an inner layer of material forming the inner surface, and an outer layer of material forming the outer surface, and has at least one intermediate layer of material forming the barrier layer. The intermediate layer is formed from a material that is different in composition from the inner and outer layers.
Patent CA-2503955-A1 (CA)
Inventor: YU SHUN-CHI
IPC: E06B9/386
Filed: 2005-04-05
Abstract: A window covering including a plurality of panels vertically suspended from a vertical securement member is provided. The plurality of panels is secured with the securement member about an upper longitudinal portion of the panels at spaced intervals along the securement member. The panels are freely suspended or dangle from the securement member such that a lower longitudinal portion of the panels is not connected with the securement member or the opening member. A weighted edge member may be included about the lower longitudinal portion of the panels. The window covering is opened by adjusting the opening member to rearwardly and vertically stack the plurality of panels.
Patent CA-2505889-A1 (CA)
Inventor: NAPOLITANO NEIL J
IPC: A61C19/06
Filed: 2003-11-14
Abstract: The invention is directed to a solid, controlled-dissolution composition for the oral cavity that adheres to hard dental surfaces, such as natural teeth and the surrounding soft tissue, and which creates a physical barrier to painful stimuli associated with dentinal hypersensivity.
Patent CA-2508253-A1 (CA)
Title: Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
Inventor: YOSHIDA KENTARO
IPC: H03H9/25
Filed: 1998-10-05
Abstract: Surfaces of diamond crystals are examined by coating the surfaces with thin metal films, launching laser beams to the diamond surfaces in a slanting angle, detecting defects and particles on the diamond surfaces by the scattering of beams and counting the defects and particles by a laser scanning surface defect detection apparatus. Diamond SAW devices should be made on the diamond films or bulks with the defect density less than 300 particles cm 2. Preferably, the diamond surfaces should have roughness less than Ra20nm. Diamond SAW filters can be produced by depositing a piezoelectric film and making interdigital transducers on the low-defect density diamond crystals.
Patent CA-2512106-A1 (CA)
Title: Oil sand processing apparatus and control system
Inventor: STRAND WILLIAM L
IPC: B01F29/63
Filed: 2005-07-13
Abstract: An apparatus for processing oil sand to produce a liquid stream comprising water and bitumen and a solid stream comprising solid particles, and a method and control system for controlling the apparatus. The apparatus includes a drum having first and second ends, a conditioning zone adjacent the first end, a compressing zone adjacent the second end and a processing zone therebetween. A rotatable spiral trough, having lifting members therein, extends through each zone for imparting a spiral rolling motion to the oil sand. An oil sand inlet communicates with the conditioning zone, while a water inlet communicates with the processing zone. A liquid stream outlet is located at the first end of the drum, while a solid stream outlet is located adjacent the second end. Preferably, the spiral trough has a width through the compressing zone less than through the processing zone and a height through at least a portion of the compressing zone greater than through the processing and conditioning zones.
Patent CA-2512264-A1 (CA)
Title: Slip spool assembly and method of using same
Inventor: MCGUIRE BOB
IPC: E21B19/10
Filed: 2005-07-15
Abstract: A slip spool includes radially disposed actuators for radially moving slip blocks between a loose encirclement position in which they surround the tubing string and a cached position in which the slip blocks clear an axial passage of the slip spool. The slip spool further includes axially disposed actuators for axially displacing the slip blocks between the loose encirclement position and an engagement position in which the slip blocks are seated within a slip bowl of the slip spool so that a weight of the suspended tubing string causes the slip blocks to tightly grip the tubing string. The slip spool facilitates positioning and repositioning of the tubing string in the wellbore and can be used for supporting or snubbing a tubing string in a live well bore.
Patent CA-2512911-A1 (CA)
Title: Avoiding fuel cell electrode damage by correlation to reactant exhaust
Inventor: BARRETT SCOTT N
IPC: H01M8/04
Filed: 2004-01-15
Abstract: A method of operating a fuel cell (1) in which a gaseous supply stream (5) comprising a reactive species is delivered to an electrode (2) where the reactive species is consumed in an electrochemical reaction to produce an exhaust stream (7, 8) which is depleted in reactive species, which method comprises: a) assessing the concentration of reactive species in the exhaust stream (7, 8); b) relating the concentration of reactive species in the exhaust stream (7, 9) to a maximum current that may be drawn from the fuel cell (1) without redox damage of the electrode; and c) adjusting the way in which the fuel cell (1) is operated in order to optimise efficiency without redox damage of the electrode (2).
Patent CA-2513436-A1 (CA)
Title: Hydroxamid acid derivatives as histone deacetylase (hdac) inhibitors
Inventor: ISHIBASHI NAOKI
IPC: C07D233/64
Filed: 2004-01-13
Abstract: A compound having the following formula (I): wherein R1 is N-containing heterocyclic ring optionally substituted with one or more suitable substituent(s), R2 is hydroxyamino, R3 is hydrogen or a suitable substituent, L1 is -(CH2#191)n#191- (wherein n is an integer of 0 to 6) optionally substituted with one or more suitable substituent(s), wherein one or more methylene(s) may be replaced with suitable heteroatom(s), and L2 is lower alkenylene, or a salt thereof. The compound is useful as a histone deacetylase inhibitor.
Patent CA-2516352-A1 (CA)
Title: Resin infused acrylic shell
Inventor: SISK THOMAS J
IPC: B29C70/78
Filed: 2005-08-19
Abstract: An improved method of forming fiber-reinforced plastic shells for bathtubs utilizes a fiber mat placed on a rear surface of a plastic shell. The fiber mat is infused with a resin, and is then cured. The mat and resin are preferably received within a vacuum chamber as the resin is infused. Further, the plastic shell is preferably supported on a fluidized bed during this process. The present invention eliminates the need for detailed air handling as is now required to handle impurities in the industrial air around the process of forming the bathtub shell.
Patent CA-2518529-A1 (CA)
Title: Butyrylcholinesterase variant polypeptides with increased catalytic efficiency and methods of use
Inventor: PANCOOK JAMES D
IPC: A61K48/00
Filed: 2004-04-09
Abstract: The invention provides a butyrylcholinesterase variant having increased cocaine hydrolysis activity as well as the corresponding encoding nucleic acid. The invention further provides methods of hydrolyzing a cocaine-based butyrylcholinesterase substrate as well as methods of treating a cocaine-induced condition with the invention variant.
Patent CA-2519286-A1 (CA)
Title: On-line auction system and the method for the same
Inventor: SONG SEUNG JUNE
IPC: G06Q30/08
Filed: 2004-03-25
Abstract: The present invention provides a method for on-line auction. According to the present invention including the steps of deciding whether there is an auction opened for a particular item, producing a new auction for the item if there is no auction opened for the item, withdrawing a present price inspection cash according to the request of a present price inspection by participants of the auction and decreasing the present price of the item by an amount of the withdrawn present price inspection cash, deciding a first bidder at the particular present price as a winner, determining the particular present price as a winning price, and closing the auction, and taking part in the new auction opened for other bidders after the first bidder's bidding and new participants.
Patent CA-2521715-A1 (CA)
Title: Hydraulic joint articulated device and use thereof with a heat radiator
Inventor: BERGAMANTE RAFFAELE
IPC: F24D19/02
Filed: 2004-02-24
Abstract: A hydraulic joint articulated device (1) effectively supports a radiator allowing a remarkable freedom of motion and has a pair of articulated connectors (2), each comprising: hinge members (5, 6) apt to be assembled and comprising a respective hydraulic channel (7, 8), in which there is obtained a pin seat (9, 10) with a tubular pin (14) having a respective hydraulic channel (21) forming a hydraulic joint extending between the respective connector seats (11, 12); and a valve seat (22) at one end of said tubular pin (14), and a respective shutter member (23) located in an opening (24) obtained in one (5) of said hinge members (5, 6), further comprising, at each articulated connector (2), a tubular duct (29) extending from the respective connector seat (11) to a mouthpiece section (30) apt to receive a waterworks piping (4), extending inside a masonry.
Patent CA-2521881-A1 (CA)
Title: High power alingan based multi-chip light emitting diode
Inventor: LIU HENG
IPC: H01L33/46
Filed: 2004-05-11
Abstract: A light emitting diode chip having a substantially transparent substrate and having an aspect ratio, which defines an elongated geometry provides enhance d efficiency and brightness. Method for forming and operating the same are als o disclosed.
Patent CA-2523357-A1 (CA)
Inventor: KEHREL BEATE
IPC: A61K35/14
Filed: 2003-04-25
Abstract: The invention relates to medicaments for the treatment of an infection of a host cell by HI-viruses and/or for the inhibition of the binding of an Env protein to a CD4 protein. Medicaments are disclosed for the above, containing oxidised proteins, oxidised peptides and/or oxidised peptides, obtainable from full blood, production methods for such medicaments and therapeutic and non-therapeutic applications of said medicaments.
Patent CA-2526692-A1 (CA)
Title: Contamination resistant press fabric structure and method of manufacture
Inventor: HAWES JOHN M
IPC: D21F7/08
Filed: 2004-05-21
Abstract: The present invention is directed to fabrics for paper making machines that are rendered contamination resistant and maintain good permeability as a result of a durable coating that lasts the entire life of the fabric. A  fluoropolymer will render the fabric contamination resistant over the entire fabric lifetime.
Patent CA-2530118-A1 (CA)
Inventor: KAAS ERIK
IPC: A01K23/00
Filed: 2004-06-24
Abstract: The present invention relates to a collapsible animal faeces collector device (1) having a handle portion (2) and a receptacle support (6), supporting a receptacle (8) with an upwardly facing surface (10) for receiving a faecal deposit (24). The device (1) is of a lightweight construction, the handle (2) and receptacle support (6) have just sufficient strength to bear in cantilevered support an empty receptacle (8) for manipulation into a faeces-receiving position on the ground below an animal's anus, but insufficient strength to bear in cantilevered support a receptacle (8) loaded with faeces.  The receptacle (8), when empty, is supported equally around the receptacle support (6) by a rim portion (12). When the device (1) loaded with faeces (24) is suspended, the rim portion (12) moves on the receptacle support (6) to collect together over the contents of the receptacle (8). The handle portion and receptacle support are preferably inflatable.
Patent CA-2530941-A1 (CA)
Title: Communication system for multizone irrigation
Inventor: HERBERT KAY
IPC: B05B15/10
Filed: 2004-06-24
Abstract: A multizone irrigation system (230A) includes a central control unit (300) having a central control system (60) interfaced with a central valve (302) and a central communication unit (e.g., a pressure sensor 304). The central valve regulates water flow for irrigation from a water source and can lower water pressure in the pipes using output (301). The central communication unit is constructed to transmit or receive pressure based communication signals providing irrigation information. Each zone includes a sprinkler control unit (2311, 2312 ...231N) including a sprinkler connected to a water pipe for irrigation. Each sprinkler control unit includes a local controller (235) interfaced with a local valve (250) for controlling water flow to the sprinkler. The sprinkler control unit also includes a local communication unit (e.g., a pressure sensor 239) constructed to receive communication signals from the central communication unit and provide received irrigation information to the local controller.
Patent CA-2531127-A1 (CA)
Title: More compact and higher reliability power supply module
Inventor: DANDRIDGE PETER ANDREW
IPC: H02M3/00
Filed: 2005-02-18
Abstract: This invention features a more compact and higher reliability power supply module including a high voltage DC input, a low voltage DC output, a number of DC/DC converters connected in parallel between the high voltage DC input and the low voltage DC output, and a controller configured to modulate each DC/DC  converter to convert the high voltage DC input to the low voltage DC output.
Patent CA-2536520-A1 (CA)
Inventor: YOKOYAMA CHIKAFUMI
IPC: H01J11/12
Filed: 2004-08-17
Abstract: To provide a fine structure precursor paste that allows it to produce PDP ribs or other fine structures with high aspect ratio and high accuracy without causing pattern deformation or other defects. The photosensitive paste comprises a photosensitive material, fine ceramic particles dispersed as primary particles in the paste, and a surfactant comprising a phosphorus based compound and a sulfonate-based compound.
Patent CA-2540596-A1 (CA)
Title: Sonar system and process
Inventor: LERRO DONALD
IPC: G01S15/32
Filed: 2004-09-29
Abstract: A sonar system and method of use capable of discriminating a direct acoustic signal present at 60 dB or more above the acoustic echo signal.
Patent CA-2543495-A1 (CA)
Title: Dispensing device for liquid sweetener
Inventor: PANARISI JOSEPH
IPC: B67D7/60
Filed: 2004-10-27
Abstract: Devices for dispensing well-controlled unit portions of liquid sweeteners. The devices incorporate structure for accurately and precisely dispensing small volumes of concentrated sweeteners in liquid form. The devices are of compact size and, therefore, are conveniently portable by a consumer. Methods for dispensing liquid sweeteners are also disclosed.