baber/WOPTO huggingface dataset:
Patent CA-2478885-C (CA)
Inventor: SIMS JACKIE C
IPC: E21B43/24
Filed: 2003-03-13
Granted: 2007-09-11
Abstract: The present invention generally provides a method and apparatus for injecting a compressible fluid at a controlled flow rate into a geological formation at multiple zones of interest. In one aspect, the invention provides a tubing string with a pocket and a nozzle at each isolated zone. The nozzle permits a predetermined, controlled flow rate to be maintained at higher annulus to tubing pressure ratios. The nozzle includes a diffuser portion to recover lost steam pressure associated with critical flow as the steam exits the nozzle and enters a formation via perforations in wellbore casing. In another aspect, the present invention assures that the fluid is supplied uniformly to a long horizontal wellbore by providing controlled injection at multiple locations that are distributed throughout the length of the wellbore. In another aspect, the invention ensures that saturated steam is injected into a formation in a predetermined proportion of water and vapor by providing a plurality of apertures between a tubing wall and a pocket. The apertures provide distribution of steam that maintains a relative mixture of water and vapor. In another aspect of the invention, a single source of steam is provided to multiple, separate wellbores using the nozzle of the invention to provide a controlled flow of steam to each wellbore.
Patent CA-2479765-C (CA)
Title: Appareil et procede pour former une rangee d'agrafes chirurgicales renforcees
Inventor: MCALEXANDER CHAD S
IPC: A61B17/072
Filed: 2003-04-15
Granted: 2009-01-27
Abstract: La présente invention concerne un appareil à utiliser avec une agrafeuse chirurgicale afin de former une rangée d'agrafes chirurgicales renforcées. Cet appareil comprend un applicateur (20) qui porte un premier matériau bioimplantable (30) et un second matériau bioimplantable (50) reliés par une charnière (40). Cet appareil peut également comprendre un clip d'applicateur conçu pour fixer de manière amovible le premier matériau bioimplantable et le second matériau bioimplantable sur l'applicateur.
Patent CA-2483261-C (CA)
Title: Pwm controller with automatic low battery power reduction circuit and lighting device incorporating the controller
Inventor: KRIEGER MICHAEL
IPC: H05B41/285
Filed: 2003-04-28
Granted: 2011-10-04
Abstract: A controller for controlling a voltage applied to a load (500) from a power source (100) includes a square wave producing circuit (300) for connection in the circuit with the battery and the lamp. The square wave producing circuit (300) produces a variable duty cycle square wave for controlling application of power to the load in accordance with the duty cycle of the square wave in response to a voltage at the control input. A voltage varying circuit is connected to the power source for producing a selectively variable voltage that is fed to the control input of the square wave producing circuit for selectively adjusting the duty cycle of the square wave. A low voltage detection circuit (400) is connected to the power source and coupled to the control input of the square wave producing circuit for automatically producing a voltage that decreases the duty cycle of the square wave when the battery voltage decreases to or below a predetermined level.
Patent CA-2493678-C (CA)
Title: Method of assembling or replacing a blade arrangement of a refiner
Inventor: SEPPAELAE VEIKKO
IPC: D21D1/30
Filed: 2005-01-21
Granted: 2012-06-05
Abstract: A method of assembling a blade arrangement of a refiner surface of a disk refiner. A refiner surface (6, 7) or refiner surface block (23, 24) is composed of the blade segments (10) in such a manner that a dimension (B) of the diameter of the refiner surface or refiner surface block is smaller than the diameter (A) of an assembly opening (12) in the frame (2) of the refiner at least at some point of the refiner surface or refiner surface block, and said refiner surface or refiner surface block is lowered into a refiner chamber (3) through the assembly opening in a position wherein points corresponding to said dimension of the diameter on opposite sides of the refiner surface or the refiner surface block are lowered through the assembly opening substantially simultaneously.
Patent CA-2498304-C (CA)
Inventor: WASSERMAN SCOTT HANLEY
IPC: E21B33/12
Filed: 2003-09-10
Granted: 2012-11-27
Abstract: La présente invention concerne un ou plusieurs supports de télécommunication ou de transport de force ou une âme de deux ou plusieurs supports, chaque support ou âme étant entouré pair au moins une couche d'enveloppe ou de gainage comprenant un homopolymère ou un copolymère de polypropylène et ayant un spectre de relaxation (RSI) et un indice de fluidité (MF) tels que RSI*MF¬a est supérieur à environ 12 lorsque a est environ égal à 0,5. Il est à noter que la couche d'enveloppe ou de gainage présente des caractéristiques améliorées de fabrication par extrusion grâce à l'utilisation d'un polymère de propylène possédant des propriétés rhéologiques améliorées (dont témoigne la valeur élevée de l'indice de spectre de relaxation (RSI)). En outre, la composition polymère à base de propylène de la présente invention manifeste une résistance à la fusion relativement élevée en comparaison aux composés à partir de polymères de propylène ou d'éthylène traditionnels. Dans des applications de formation d'enveloppe de câble optique, la présente invention permet d'atteindre un équilibre avantageux entre un faible rétrécissement consécutif à l'extrusion et une résistance à module / déformation élevés.
Patent CA-2510233-C (CA)
Inventor: BURT BARRY
IPC: B61D3/04
Filed: 2005-06-20
Granted: 2013-07-16
Abstract: A rail car loading apparatus includes a flat bed rail car attachable at a front end thereof to a rear end of an adjacent rail car. A front wheel set is mounted under the front end of the flat bed rail car to support the front end of the flat bed rail car on track rails, and a rear wheel set is mounted under a rear end of the flat bed rail car to support the rear end of the flat bed rail car on the track rails. The flat bed rail car is movable from a transport position wherein a top surface thereof is substantially horizontal, to a loading position wherein the top surface thereof is inclined downward from the front end thereof to the rear end thereof. The rear wheels can slide forward to allow the rear end to drop down to the loading position.
Patent CA-2511146-C (CA)
Inventor: JIN XIN
IPC: H04B1/48
Filed: 2005-06-29
Granted: 2008-10-14
Abstract: Dans un bon exemple, un poste mobile comprend un émetteur-récepteur sans fil, une interface utilisateur comprenant un poussoir d'émission (PTT) pour déclencher une communication vocale PTT, et un microphone pour recevoir des signaux d'entrée vocale, un ou plusieurs processeurs, et une mémoire (p. ex. une mémoire tampon premier entré, premier sorti {PEPS}) couplée au(x) processeur(s). Le ou les processeurs sont opérationnels pour identifier une activation utilisateur du commutateur PTT et, en réponse, enregistrer dans la mémoire les données vocales numériques correspondant aux signaux d'entrée vocale; faire faire la demande de communication vocale PTT au moyen d'un réseau sans fil; identifier qu'une subvention plancher a été reçue au moyen du réseau sans fil en réponse à la demande; et après avoir identifié la subvention plancher, faire récupérer les données vocales numériques dans la mémoire et les transmettre au réseau sans fil pour la communication vocale PTT. De façon avantageuse, l'enregistrement des données vocales numériques dans la mémoire est effectué au moins en partie pendant une période de temporisation entre l'activation utilisateur du commutateur PTT et l'identification de la subvention plancher.
Patent CA-2524408-C (CA)
Inventor: KAZEN GLENN D
IPC: A61C5/06
Filed: 2004-02-20
Granted: 2011-09-20
Abstract: L'invention concerne un obturateur endodontique comportant un corps et une cartouche jetable contenant de la gutta-percha pouvant être couplée au corps. Comme la gutta-percha est contenue dans une cartouche jetable, il n'est plus nécessaire de nettoyer le corps ou les autres composants de l'obturateur, de manière à réduire le temps nécessaire au nettoyage de l'obturateur après utilisation. L'obturateur comporte également un élément de chauffage capable de chauffer la gutta-percha dans la cartouche jetable, et une barrière thermique empêchant la chaleur de l'élément de chauffage de se propager vers le reste du corps. Par ailleurs, l'obturateur comporte un mécanisme servant à créer une pression dans la cartouche jetable afin de distribuer la gutta-percha. Ladite barrière thermique permet de maintenir à une température relativement basse, la partie de l'obturateur que le dentiste ou tout autre personnel médical doit manipuler lors de l'injection de gutta-percha dans la dent d'un patient.
Patent CA-2525165-C (CA)
Title: Load transfer system for flatbed trucks
Inventor: GARDNER NOEL
IPC: B65G67/24
Filed: 2005-11-02
Granted: 2010-08-03
Abstract: A load transfer system for flatbed trucks is described. A load transfer bay is defined between opposed rigid longitudinal load support beams. Each of the beams is connected to individually controllable adjustable support members in the form of pistons to adjust the elevation of the beams above a ground surface of the load transfer bay. A load support platform is displaceable from a retracted position outside the bay to a support position across and over the opposed load support beams for support contact therewith. The support platform has a plurality of spaced--apart support arms secured at an attachment end to a displaceable interconnecting member and projects therefrom in a substantially common plane to a free end thereof.
Patent CA-2528272-C (CA)
Inventor: GAZZOLA JAMES PETER
IPC: H04W16/22
Filed: 2005-11-28
Granted: 2012-09-18
Abstract: La présente invention concerne un système et une méthode d'analyse de couverture dans un réseau sans fil. L'invention vise à évaluer l'emplacement et les caractéristiques d'une station de base proposée dans un réseau de communication sans fil, avant la construction de la station de base. Des données sont collectées à la fois d'un émetteur d'essai dont les caractéristiques sont connues, construit à l'emplacement proposé de la station de base proposée et à partir d'une pluralité de voies sans fil du réseau existant. Les données peuvent être collectées à une pluralité d'emplacements de mesure. Les données collectées sont utilisées pour modéliser et subséquemment évaluer le comportement du réseau en présence des voies qui seraient introduites dans le réseau si la nouvelle station de base était construite. Les données modélisées peuvent comprendre des estimés des rapports signal-bruit pour diverses voies sans fil à la fois pour les stations de base existantes et la station de base proposée, à l'emplacement des mesures. Les données modèles peuvent être affichées sur une GUI, décrivant les caractéristiques du signal modélisé dans une région géographique entourant la station de base proposée, pour estimer l'acceptabilité globale de la station de base proposée à un emplacement proposé avant d'engager les coûts d'installation de la station de base.
Patent CA-2531172-C (CA)
Title: Device and method for separating bulk materials
Inventor: PETZOLD GUENTHER
IPC: B07C5/346
Filed: 2004-11-25
Granted: 2007-03-06
Abstract: The invention relates to a device and method for separating bulk materials with the aid of a blow-out device provided with blow-out nozzles arranged on a fall section which is disposed downstream from a conveyor belt (20). The blow-out nozzles are controlled by computer-assisted evaluation means according to sensor results of radiation which penetrates the flow of bulk goods on the conveyor belt, is emitted from an x-ray source and which is captured in sensor means (10). The x-ray radiation, which passes through the particles of the bulk materials, is filtered into at least two spectra of differing energy ranges before the radiation is captured with local resolution, with the aid of at least one sensor means (10), which is integrated within an energy range.
Patent CA-2531230-C (CA)
Title: Process for the preparation of stable polycarbodiimide dispersions in water, which are free of organic solvents and may be used as crosslinking agent
Inventor: HESSELMANS LAURENTIUS CORNELIUS JOSEPHUS
IPC: C08G18/28
Filed: 2004-07-02
Granted: 2011-01-18
Abstract: A process for the preparation of stable aqueous polycarbodiimide dispersions, to be used as crosslinking agent, which are free of organic solvents is described. Said process is characterized in: reacting a polyisocyanate in the presence of a carbodiimide catalyst to form a polycarbodiimide, terminating and/or chain extending the polycarbodiimide chain by the addition of a compound containing a hydrophilic group and one or more amine and/or hydroxy functions during or after the polycarbodiimide formation dispersion of the resulting compound in water, wherein pH is adjusted to a value between 9 and 14 by the addition of a base and/or a buffer to the water used for the dispersion and/or to the obtained aqueous dispersion. According to the present process said terminating or chain extending with the compound containing a hydrophylic group and one or more amine functions may also occur during or after the dispersion of the polycarbodiimide in water. The preferred pH of the polycarbodiimide dispersions is between 11 and 13. Furthermore the invention relates to a coating mixture comprising the polycarbodiimide dispersions obtained by the invention as crosslinking agent and an aqueous resin containing carboxylic acid functions. Finally the invention comprises cured material obtained by applying said coating mixture to a substrate, and evaporating the water.
Patent CA-2532373-C (CA)
Title: Write-once optical disc, and method and apparatus for recording management information thereon
Inventor: PARK YONG CHEOL
IPC: G11B7/0045
Filed: 2004-07-09
Granted: 2012-11-13
Abstract: A write-once optical recording medium and a method and apparatus for recording management information on the recording medium, are provided. The recording medium includes at least one recording layer and SRR information on the recording layer. The SRR information pertains to at least one SRR and includes a header, an SRR entry list, and a terminator. The SRR entry list includes a plurality of SRR entries, each of the SRR entries pertaining to an SRR and including at least one status area for storing therein session start information.
Patent CA-2544712-C (CA)
Title: Method of determining the quality and quantities of a body of a slaughtered animal
Inventor: SCHIMITZEK PETER
IPC: A22B5/00
Filed: 2004-11-06
Granted: 2011-03-15
Abstract: In a method for non-invasive determination of the grade, trade value, market value and the quality of a slaughtered animal carcass; based on optical image processing; the method fulfills the conditions of the pertinent official regulations and acts and is rapid and cost-effective to implement, results data of weight percentage from single joint yields that have been obtained during the dissection trials of a sufficient number of slaughtered carcasses are correlated with the characteristic measured values and parameters determined from the loin and ham regions of both sides of a slaughtered animal carcass, taking into consideration the total weight, in order to obtain relationship data, during the slaughter operation, a simulation calculation is then carried out using the existing relationship data to estimate the single joint yields, taking into consideration the total weight of the two sides of a slaughtered animal carcass and the characteristic measured values and parameters that have been determined specifically in the loin and ham region for said carcass.
Patent CA-2547384-C (CA)
Title: A bearing arrangement for supporting a shaft
Inventor: BERNHARD HERBERT
IPC: B67C3/28
Filed: 2006-05-19
Granted: 2012-12-18
Abstract: A beverage bottling plant having a beverage bottle closing machine with a bearing system to guide a reciprocating shaft in the beverage bottle closing machine. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading "Abstract of the Disclosure." The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.
Patent CA-2549912-C (CA)
Title: Structure de support pour dispositif porteur de charge
Inventor: JOHNSON THOMAS H
IPC: G01N3/02
Filed: 2004-11-22
Granted: 2014-01-21
Abstract: La présente invention se rapporte à un mécanisme permettant de réduire la force horizontale au cours d'une mesure de charge. Ce mécanisme inclut une structure ayant des surfaces dotées de rayons de courbure non uniformes (par exemple, des surfaces sphéroïdes aplaties) au niveau des deux extrémités. Les extrémités de la structure sont en contact avec un élément de couplage d'un capteur de force et un élément de couplage de base, formant ainsi deux interfaces. Chaque interface inclut une zone de contact entre une surface convexe et une surface concave. Lorsqu'une force horizontale est appliquée, la zone de contact au niveau de chaque interface se décale, permettant à la structure de s'incliner à partir de la position verticalement alignée dans laquelle elle se trouve lorsqu'aucune force horizontale n'est appliquée. En comparaison des mécanismes classiques, la structure de la présente invention présente une hauteur efficace inférieure du fait que les interfaces entre les surfaces sphéroïdes aplaties permettent un angle de déflexion supérieur à des interfaces plates. Les interfaces sphéroïdes aplaties permettent également à la déflexion de se produire avec un niveau d'usure moindre au niveau des interfaces en comparaison de structures à interfaces plates.
Patent CA-2569093-C (CA)
Inventor: FEUERSTACK MICHAEL
IPC: G04F13/02
Filed: 2006-07-27
Granted: 2009-02-03
Abstract: The invention relates to a method for the provision of activated temperature sensitive and/or time-sensitive indicators for product marking. A first variant is characterized by the activation of an indicator and the subsequent application of a protective filter to the indicator, with the indicator being conveyed along an activation device and along a protective filter application unit subsequent to it in the conveying direction. A second variant is characterized by the activation of an indicator already provided with a protective filter. The invention furthermore relates to apparatus for the carrying out of the named methods as well as to a product marking which was manufactured in accordance with the methods in accordance with the invention.
Patent CA-2569547-C (CA)
Title: Procede pour faire fonctionner un circuit de donnees
Inventor: BECKER THOMAS
IPC: H04W48/08
Filed: 2005-05-26
Granted: 2014-09-30
Abstract: L'invention concerne un procédé pour faire fonctionner un circuit de données entre une station de base (AP1) et une ou plusieurs stations mobiles (MS2). Selon ce procédé, des paquets de données (DATA) sont transmis entre la station de base (AP1) et les stations mobiles (MS2) au cours de phases de transmission (U), chaque phase de transmission (U) étant suivie d'une pause de transmission (F) et, par émission d'un signal de balise (B), le début de chaque phase de transmission (U) est signalé et l'interface de transmission (W), en particulier une interface hertzienne, entre la station de base (AP1) et les stations mobiles (MS2) est gérée par la station de base (AP1) pour la phase de transmission (U) respective. Les paquets de données (DATA) sont constitués de données d'un flux de données (D), en particulier d'un flux de données audio et/ou vidéo, et un flux de données de réception est formé avec les paquets de données reçus. L'objectif de l'invention est d'améliorer ce procédé pour réduire au minimum le retard survenant lors de la transmission d'un flux de données. A cet effet, le début et la fin de chaque formation de paquet de données sont déclenchés par les signaux de balise (B).
Patent CA-2569723-C (CA)
Title: Asymmetric data communications system permitting subscriber interaction
Inventor: ARIAS SALVADOR LUIS
IPC: H04N7/015
Filed: 1996-05-23
Granted: 2012-10-02
Abstract: An asymmetrical data communications system (ADCS) provides point-to-multipoint television programming including conventional television programming, near video-on-demand (NVoD) or video-on-demand (VoD), and the full variety of available programming, via a compressed, digitized UHF transmission. A program subsystem of the ADCS receives programming from content providers and processes the received signals for channel and VoD or NVoD service, then sends the aggregated signal to a transmission subsystem that modulates, channelizes, amplifies, filters and broadcasts the digital UHF signals over the air. Subscribing viewers are equipped with an intelligent control box (ICB) suitably configured to receive, demodulate, and decode the digital UHF broadcast and to transmit the resulting signal to one or more display or other terminal devices. The ICB further provides a matrix switch or gateway for receiving signals over any available transmission path. In addition to the ICBs of the subscribing viewers, a return path subsystem of the ADCS system includes a session control and administrative facility to which the ICBs are linked via the public switched telephone network or suitable wireless alternative so that transaction and viewing data can be received from the subscribing viewers. The return path subsystem, in turn, is linked to the program subsystem in order to route to that subsystem any information necessary or useful for providing programming.
Patent CA-2570654-C (CA)
Title: Efficient conversion of heat to useful energy
Inventor: PELLETIER RICHARD I
IPC: F01K25/06
Filed: 2005-07-14
Granted: 2010-11-09
Abstract: A heat transfer system includes a power sub-system configured to receive a heat source stream, and one or more heat exchangers configured to transfer heat from the heat source stream to a working stream. The working stream is ultimately heated to a point where it can be passed through one or more turbines, to generate power, while the heat source stream is, cooled to a low temperature tail. A distillation condensation sub-system cools the spent stream to generate an intermediate stream and a working stream. The working stream can be variably heated by the intermediate stream so that it is at a sufficient temperature to make efficient use of the low temperature tail. The working stream is. then heated by the low temperature tail, and subsequently passed on for use in the power sub-system.
Patent CA-2577897-C (CA)
Inventor: WOOTAN TIMOTHY
IPC: E21B23/04
Filed: 2005-08-24
Granted: 2009-10-27
Abstract: A packer (30) includes one or more anchors (36, 38) for securing the packer in a wellbore and a pair of seal elements (34, 40) that form a fluid seal. The packer assembly is hydraulically set (41) and, thus, it can be located at any desired position within the wellbore, i.e. not necessarily immediately atop the liner hanger. The packer assembly is secured within the wellbore by a staged setting process through use of shear pins (60) that have increasingly stepped shear values. Redundancy in packer sealing is provided by the use of two seal elements to establish fluid sealing. The design of the packer assembly also provides hydraulic isolation of the actuating portions of the packer assembly upon setting and maybe used for a tie back string.