baber/WOPTO huggingface dataset:
Patent CA-2449329-A1 (CA)
Inventor: SUTHERLAND BRUCE
IPC: F16L21/035
Filed: 2003-11-13
Abstract: A sealing ring for fitting between and sealing an annular space between a spigot end of a length of pipe and a socket end of another length of pipe which are slid into each other to form a pipe joint. The sealing ring comprises an annular main body having a first surface for engaging the spigot end and a second surface for engaging the socket end during the formation of the pipe joint. A thin flexible membrane of a thickness of 0.045 inches or less is attached to the second surface about the circumference of the annular main body defining an annular cavity. The flexible membrane is of a greater dimension than the length of the second surface in the general direction of pipe movement. A lubricant is disposed in the annular cavity between the second surface and the thin flexible membrane whereby, when the spigot end and the socket end are slid into each other to form a pipe joint, the thin flexible membrane slides relative to the second surface without rupturing.
Patent CA-2450118-A1 (CA)
Inventor: TROTTO SUSAN HENSEN
IPC: A01N41/10
Filed: 2001-06-05
Abstract: The present invention provides N-biphenylthiohydrazone derivatives of formul a (I) and compositions and methods for the use thereof in the control of insec t and acarid pests and for the protection of crops therefrom.
Patent CA-2450191-A1 (CA)
Title: Tandem stroller with side entry and associated fold actuator
Inventor: FOX DANIEL
IPC: B62B7/00
Filed: 2003-11-19
Abstract: A folding frame type tandem stroller includes at least one side step and a side portion of the folding frame is configured to provide a side access region to the rear seat. A canopy rod actuated locking assembly locks a stroller folding frame in an open position. A front seat tray is pivotable in two directions and a canopy rod assembly is retractable to facilitate a compact folded size of a stroller.
Patent CA-2450332-A1 (CA)
Inventor: DILLNER JAMES MICHAEL
IPC: A63G9/16
Filed: 2003-11-20
Abstract: A swing drive mechanism for a swing having a swing seat, at least one hanger arm supporting the swing seat, and a pivot shaft providing reciprocal motion to the swing seat via the at least one hanger arm is described. The drive mechanism may include a gear, an eccentric element coupled to the gear and a motor mechanism configured to drive the gear. The drive mechanism may also include a substantially elongated drive Link having a proximal end and a distal end, the proximal end coupled to the gear via the eccentric element, and a spring coupled to, and configured to being driven by, the dicta! end of the drive link. The spring being configured to directly drive the pivot shaft in a reciprocal fashion. A swing drive assembly including a blade and pivot shaft is also described.
Patent CA-2451054-A1 (CA)
Title: Improved apparatus and method for performing impedance measurements
Inventor: IRONSTONE JOEL STEVEN
IPC: A61B5/276
Filed: 2003-11-27
Abstract: An impedance module for calculating the impedance of a body part creates stimulus currents for injection into the body part and receives resulting voltages generated by the body part The impedance module includes a current generator for generating the stimulus currents, the stimulus currents including a current signal and a complementary current signal thereby forming a differential current signal. The impedance module also includes voltage processing circuitry for pre-processing the received voltages and amplifying the received voltages to generate a measured voltage signal; processing circuitry for creating a current control voltage signal for controlling parameters related to the stimulus currents, and for calculating an impedance value based on the stimulus current and the measured voltage signal, and interface circuitry for interconnecting the components of the impedance module.
Patent CA-2452888-A1 (CA)
Title: Friction reducing composition and method
Inventor: SCHWARTZ KEVIN M
IPC: F17D3/08
Filed: 2003-12-10
Abstract: Water soluble nonionic friction reducers and added to coacervate gels having excellent shear viscosities and other properties. A preferred gel comprises poly diallyl dimethyl ammonium chloride, a lesser amount of sodium lauryl sulfonate, and lauryl alcohol. Excellent friction reducing properties are manifested; a particularly practical use for the compositions is in subterranean formation fracturing.
Patent CA-2456536-A1 (CA)
Title: Liquid crystal polymer technology chemicals and applications
Inventor: FERGUSON THOMAS DAVID
IPC: C10M125/26
Filed: 2002-08-12
Abstract: Liquid phase liquid crystal polymers (LCPs) are disclosed having a composition and structure that can be varied to provide desirable properties. The liquid phase LCPs have polyiminoborane, polyarninoborane, and/or borozine polymer backbone molecules, with silicon and/or phosphorous side chain molecules linked to the backbone that provide a degree of alignment assigned an Order Parameter (8), defmed as S = 1/3 [3 cos2 e -1 ], where e is the angle between the axis of an LCP molecule and the vertical direction. The inventive liquid phase LCPs have an average Order Parameter in the range of about 0.2 to about 0.99 and are applicable to a number ofrinse, coolant, lubricant, sterilization and other protectant processes.
Patent CA-2456574-A1 (CA)
Inventor: BUNDY H HOLLISTER IV
IPC: G08B1/08
Filed: 2004-01-29
Abstract: A kit is provided for service stations and gas stations to increase accessibility by disabled persons. The kit includes a bell button for mounting near a gas pump and a speaker for mounting inside the store of the service station for alerting an attendant that refueling assistance is needed. Signs indicating the availability of refueling assistance are also provided in the kit. Optional items for the kit include a doorbell switch for the doorway into the service station store and potentially an access ramp. The kit may include additional signs, a checklist, a tape measure, and a doorstop. Installation instructions for the equipment is provided along with training guidelines for staff, tax forms and other accessibility information. A method for increasing accessibility to service stations for disabled persons is also provided.
Patent CA-2456580-A1 (CA)
Inventor: SHIMADA KAZUHIKO
IPC: B41M3/14
Filed: 2002-07-29
Abstract: In authenticity determinable printed matter according to this invention, a background image portion and at least one message image portion are printed on a surface of a base member. The background image portion has a first line drawing which is arrayed in a first direction and printed by an ink with a specular gloss to have an ink layer thickness. The message image portion has a second line drawing which is arrayed in a second direction and printed by the ink with the specular gloss to have the ink layer thickness.
Patent CA-2463038-A1 (CA)
Title: Systeme de remplissage de chambres de substrat avec un liquide
Inventor: FREUDENTHAL JACOB K
IPC: B01L3/00
Filed: 2002-10-15
Abstract: la présente invention concerne un système de remplissage de chambres d'échantillonnage avec un liquide. Ce système comprend un substrat définissant des chambres d'échantillonnage et doté d'un orifice de remplissage, et un réseau de passages qui relient les chambres d'échantillonnage à l'orifice de remplissage. Le système comprend également un support de substrat qui maintient le substrat en position remplie et qui est assorti d'un module de valve. Ce module de valve présente une ouverture avec joint pour orifice de remplissage qui est reliée à l'orifice de remplissage du substrat, et une ouverture reliée à une dépression, ainsi qu'un dispositif de commande de la valve pour connexion sur une source de vide. Le système comporte en outre un corps de soupape présentant un orifice de sortie pour liquide et un orifice à vide, ainsi qu'un dispositif permettant d'agir sur le corps de soupape de telle sorte que l'orifice de sortie de liquide et l'orifice reliée à une dépression soient alternativement en communication fluidique avec l'ouverture à joint de l'orifice de remplissage.
Patent CA-2464118-A1 (CA)
Title: Method and apparatus for controlling data rate in a wireless communication system
Inventor: KIMBALL ROBERT H
IPC: H04W24/10
Filed: 2002-10-16
Abstract: In one disclosed embodiment, communication between a mobile unit and a base station is performed at a data transfer rate selected from, for example, a finite set of HDR data transfer rates. Meanwhile, the mobile unit continually computes a moving average of the data transfer rates. The mobile unit also ascertains a supportable data rate for receiving data. The supportable data rate can be selected from a finite set of HDR data transfer rates. In order to maintain the moving average of the data transfer rate within a specified range, the mobile unit transmits maximum data rate requests or null data requests to the base station. The maximum data rates requested by the mobile unit are equal to or lower than the supportable data rate.
Patent CA-2467514-A1 (CA)
Inventor: ERICSON URBAN
IPC: F02M25/07
Filed: 2002-11-25
Abstract: The invention relates to a device for purifying exhaust gases from a combustion engine (1), comprising a first filter (10) arranged in an exhaust conduit (7) between the engine (1) and an exhaust outlet (8) for removing particulate constituents from the exhaust gases, and a recirculation conduit (11) for diverting a part of the exhaust gases that have passed through said first filter (10) and recirculating this part of the exhaust gases to the ai r intake (2) of the engine. The device further comprises a second filter (30) arranged between the inlet end (20) of the recirculation conduit and the air intake (2) of the engine. The invention also relates to a method for purifyi ng exhaust gases from a combustion engine. Furthermore, the invention relates t o the use of the device for exhaust gas purification in particular at a diesel engine.
Patent CA-2467910-A1 (CA)
Title: Modulators of rho c activity
Inventor: SUN DONGXU
IPC: C07C311/29
Filed: 2002-11-19
Abstract: Published without an
Patent CA-2469893-A1 (CA)
Title: Phenylalkynes
Inventor: XIAO WEI
IPC: C07D295/073
Filed: 2002-12-02
Abstract: Substituted phenylalkynes of formula (l), compositions containing them, and methods of making and using them to treat histamine-mediated conditions.
Patent CA-2471823-A1 (CA)
Inventor: SUZUKI MIKA
IPC: B60R16/02
Filed: 2002-12-27
Abstract: A fuse for an automobile having a housing manufactured by the injection molding of a polyamide resin composition, wherein the polyamide resin composition constituting the housing has a heat of crystal melting of 40 J/g or more, as measured by means of a differential scanning calorimeter, and exhibits an average diameter of spherulites thereof of 0.5 .mu.m or less, as measured by the observation by means of a polarization optical microscope.</ SDOAB>
Patent CA-2472615-A1 (CA)
Title: Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters
Inventor: ARNAL YVES ALBAN-MARIE
IPC: B01D69/06
Filed: 2003-01-07
Abstract: The invention relates to a method of producing a sheet comprising through pores. The inventive method comprises the following steps, consisting in: preparing a sheet having a thickness of between 5µm and a few tens of micrometers which can be etched by means of a lithographic operation; producing a mask on one face of the sheet, said mask having an etching selectivity S of at least 5; depositing a layer of photosensitive resin on the aforementioned mask; creating through pores in the layer of resin by means of photolithography; through etching the mask through the pores in the resin layer; and through anisotropic etching the sheet from the pores in the mask in order to produce pores in the sheet which have a shape factor that is greater than 5. The invention is suitable for use in the production of micronic and submicronic filters.
Patent CA-2472842-A1 (CA)
Inventor: KUROIWA KENJI
IPC: B60L50/10
Filed: 2004-07-02
Abstract: Working machine is provided which employs both an internal combustion engine and left and right electric motors. The working machine also includes a control unit for controlling rotation of the motors. The control unit shifts the machine to a battery mode so that the electric motors are rotated by only electric power supplied by a battery with the internal combustion engine kep t deactivated.
Patent CA-2473291-A1 (CA)
Inventor: SASAKI TORU
IPC: A61F13/49
Filed: 2003-10-16
Abstract: Tape fasteners attached to a wearing article 1 and maintained folded in a Z- or an inverted Z-shape. The Z- or the inverted Z-shape is defined by a first tape segment having a free end zone, a second tape segment fixed to a wearer facing surface of the wearing article and a third tape segment interposed between the first and second tape segments. An inner end zone of the third tape segment is connected to an inner end zone of the second tape segment, extends inwardly of the wearing article beyond the inner end zone of the second tape segment and is to the garment facing surface of the wearing article to contact with the wearer's clothes.
Patent CA-2474865-A1 (CA)
Title: Fail-safe fluid transfer controller
Inventor: TOUGAS STEPHEN F
IPC: G05D9/12
Filed: 1996-06-11
Abstract: A fail-safe fluid transfer control apparatus has full redundancy in the response to various inputs such as overfill probe signals, ground detection signals, and the like. Independent microprocessor controllers independently evaluate the inputs and each output control signals to close a respective relay when the inputs indicate that fluid transfer may commence. The relays are arranged in series such that both must be closed for a fluid transfer to commence. The control signals from each controller include a static signal and an alternating signal, both of which must be properly output to close its respective relay. Each controller monitors the state of each relay, and discontinues its control signals if either relay appears to be malfunctioning. Each controller runs an different, independently written firmware program to process the detected inputs to prevent a common firmware error. An optical bypass key replaces conventional mechanical keys and transmits an optically encoded signal to the controller for establishing a bypass condition. A preheating circuit is also provided for providing a dynamic voltage supply to standard thermistor probes which may be encountered.
Patent CA-2479290-A1 (CA)
Title: Mild and effective cleansing compositions
Inventor: LUKENBACH ELVIN R
IPC: A61Q1/14
Filed: 2004-08-27
Abstract: A mild cleansing composition is disclosed. The composition includes a from about 1 percent to about 8 percent of an anionic surfactant; and from about 0.1 percent to about 3 percent of a hydrophobically modified, crosslinked, anionic acrylic copolymer, wherein the weight ratio of component a) to component b) is about 1:1 to about 20:1 and wherein the composition is substantially free of non-ionic surfactants. The compositions are useful as shampoos, washes, baths, gels, lotions, creams, and the like.
Patent CA-2480958-A1 (CA)
Title: Combination gardening rack
Inventor: WU CHUNG-CHENG
IPC: A47B81/00
Filed: 2004-09-08
Abstract: The invention relates to a height-adjustable gardening rack. The combination gardening rack comprises several frames, several combining connectors and a hood. The major feature of the present invention is that the combining connectors have vertical and horizontal connecting holes of the same diameter, with the vertical connecting hole extending through the combining connector. A threaded diameter reducing collar stretches out from the bottom of the vertical connecting hole and a threaded locking nut is integrated with the threaded collar. With an assembly based on the structure described above, users can apply the threaded collars and locking nuts to assemble the frame members and the combining connectors together at any height on the vertical frame members, thereby allowing the height between the layers of the rack to be adjusted.
Patent CA-2481398-A1 (CA)
Title: Plastic barrier closure and method of fabrication
Inventor: TOPA ANTONIO J F
IPC: B65D53/04
Filed: 2003-04-10
Abstract: The present invention relates to a plastic barrier closure (or cap) for bottles and the like that has (1) a body having a top wall, a side wall, a securing means and a seal that has at least one concentric sealing member extending from the top wall, and (2) a barrier incorporated into the top wall.  The barrier layer may be incorporated into the top wall by (1) depositing a melted mass of barrier polymer in the pre-molded cap body and then molding it into place by mechanical means or (2) forming a barrier layer from the barrier polymer and inserting it into a pre-molded cap body.
Patent CA-2481635-A1 (CA)
Title: Method and apparatus for steam sterilization of articles
Inventor: SUN ANDY KWAN-LEUNG
IPC: F22B27/16
Filed: 2004-09-15
Abstract: A steam on demand generator uses a stainless steel cup and cap arrangement and hollow cone spray nozzle. The nozzle directs a cone of water onto a wall of the cup. A heating device and a thermocouple are brazed to the cup, with the thermocouple positioned on a part of the wall to enhance control of the operation and steam generation.
Patent CA-2481978-A1 (CA)
Inventor: WITOSSEK HERBERT
IPC: C07C68/06
Filed: 2004-09-16
Abstract: The present invention relates to an improved process for preparing aliphatic oligocarbonate diols by transesterifying dimethyl carbonate (DMC) with aliphatic diols.
Patent CA-2482550-A1 (CA)
Title: Connecteur de meche pour feux d'artifice
Inventor: YU PETER SUNG YAN
IPC: F42D1/06
Filed: 2002-06-28
Abstract: L'invention concerne un dispositif permettant de connecter en toute sécurité la mèche (12, 14) de deux dispositifs (20, 22) de feux d'artifices. Ledit dispositif comprend un élément tubulaire, ou connecteur (10), pourvu d'une première et d'une seconde extrémité. Les extrémités du connecteur sont chacune adaptables pour recevoir une mèche. Lorsque le dispositif est en fonctionnement, deux mèches (12, 14), chacune d'un feu d'artifice séparé, sont insérées dans le connecteur (10), de manière à garantir que la flamme d'une mèche est efficacement transférée à la mèche suivante. Ledit dispositif peut également contenir une amorce (16), par exemple de la poudre, à l'intérieur du connecteur afin de garantir la transmission de la flamme d'une mèche à la mèche suivante.
Patent CA-2485261-A1 (CA)
Title: Apparatus for processing materials
Inventor: IWASYK JOHN MAURICE
IPC: B01F7/24
Filed: 1994-06-15
Abstract: The present invention relates to an apparatus for processing materials, a process for mixing, finishing and de-volatizing polyamide to make 66 nylon and the 66 nylon made by this process. The apparatus comprises an agitator section (12) hav-ing an outlet (14) adjacent the bottom thereof; a transfer screw (20) disposed adjacent the outlet of the agitator section; a spiral ribbon (24) extending upwardly from the transfer screw; a ring (26) dis-posed vertically above the spiral ribbon, at least one baffle (32a, 32b) disposed vertically above the spiral ribbon and connected to the ring and a wall-wiping spur connected to the ring. Preferably, the apparatus has two baffles - an upper one (32a) for pumping the material downwardly and a lower one (32b) for pumping the material up-wardly. The diameter of each baffle is preferably about 80 % of the diameter of the agitator sec-tion.
Patent CA-2488098-A1 (CA)
Inventor: MALMBERG ANGELICA
IPC: A41D13/12
Filed: 2003-06-27
Abstract: L'invention concerne un vêtement pour patient, comprenant une pièce avant et une pièce arrière (2). Conformément à l'invention, la pièce avant (1) est formée, en totalité ou en partie, d'une couche externe (3) en un matériau de faible perméabilité à l'air, et d'une couche interne (4) en un matériau ayant une perméabilité à l'air bien plus élevée que la couche externe (3), et est attachée à cette dernière de façon qu'un espace soit ménagé entre la couche externe et la couche interne. En outre, au moins une entrée (8, 9) pouvant être connectée à une source d'air chaud, est disposée sur la pièce avant du vêtement et conduit à l'espace prévu entre la couche interne et la couche externe.
Patent CA-2490981-A1 (CA)
Inventor: GOHEL TUSHAR K
IPC: G01R31/28
Filed: 2004-12-23
Abstract: A programmable active load is adapted for use with differential signals. The differential active load includes a diode quad having four terminals. A first programmable current source is connected to the first node and a second programmable current source is connected to the second node. The third and fourth nodes are respectively adapted to receive first and second differential signals of a differential pair of signals. The differential active load sources current to the more negative of the first and second differential signals, and sinks current from the more positive of the first and second differential signals.
Patent CA-2492133-A1 (CA)
Inventor: MANGON PHILIPPE
IPC: A62C13/66
Filed: 2005-01-04
Abstract: The extinguisher has a bottle (4) containing extinguishing agent (6), and a pressurized gas generating unit (16) connected to the bottle such that the pressurized gas penetrates into the bottle when the agent is ejected on a fire zone (12). A pressure regulating unit (18) regulates the pressure created by the gas, in the bottle and maintains in the bottle, a pressure difference of 10 percent of ambient value, over a certain period.
Patent CA-2495046-A1 (CA)
Inventor: KHERFI MOHAMMED LAMINE
IPC: G06F16/9032
Filed: 2003-08-11
Abstract: Although negative example can be highly useful to better understand the user 's needs in content-based image retrieval, it was considered by few authors. A content-based image retrieval method according to the present invention addresses some issues related to the combination of positive and negative examples to perform a more efficient image retrieval. A relevance feedback approach that uses positive example to perform generalization and negative example to perform specialization is described herein. In this approach, a query containing both positive and negative example is processed in two general steps. The first general step considers positive example only in ord er to reduce the set of images participating in retrieval to a more homogeneous subset. Then, the second general step considers both positive and negative examples and acts on the images retained in the first step. Mathematically, relevance feedback is formulated as an optimization of intra and inter variances of positive and negative examples.
Patent CA-2495083-A1 (CA)
Title: System and method for preventing access to data on a compromised remote device
Inventor: MENDEZ DANIEL
IPC: H04K1/00
Filed: 2003-08-09
Abstract: This invention discloses a system (100) and method for selective erasure, encryption and or copying of data (121) on a remote device (120) if the remote device has been compromised or the level of authorization of a roaming user in charge of the remote device (120) has been modified.