Patents Represented by Attorney Ogilvy Renault LLP

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  • Gas turbine engine exhaust duct ventilation
    Patent number: 7805925
    Abstract: A centerbody for the exhaust system of a gas turbine engine having an upstream end mounted within an exhaust duct casing of the exhaust system. The centerbody includes a plurality of ventilation openings defined in a centerbody wall which provide fluid flow communication between an internal cavity and exhaust gas flow surrounding the centerbody, such that ventilating air from within the cavity can exit into the exhaust gas flow.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: October 5, 2010
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Eric Durocher, Eugene Gekht, Guy Lefebvre
  • Method for automated bagging
    Patent number: 7802416
    Abstract: A method of bagging an article into a bag comprising: providing a web of stretchable film folded in two so as to provide first and second superposed bag panels, selecting a length of stretchable film as a function of the article to be bagged, cutting the film at the selected length, sealing the bag panels at the length to form a bag having an opening for receiving the article, stretching the bag in a taut open state, and lowering the bag in the taut open state thereof over the article.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: September 28, 2010
    Assignee: Marko I.R.D.C. Inc.
    Inventor: Sylvain Drolet
  • Method and system for taxiing an aircraft
    Patent number: 7802757
    Abstract: The system is used for taxiing an aircraft and comprises at least one multi-spool gas turbine engine, the engine having an electrical motor in a torque-driving engagement with a low pressure spool of the engine. The low pressure spool has a propulsor connected thereon to generate thrust when rotated. A controller is connected to the electrical motor and an electrical power source to control an amount of electrical power provided from the power source to the electrical motor so as to drive the propulsor and cause at least a major portion of the thrust to be generated by the propulsor for moving the aircraft during taxiing.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: September 28, 2010
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Kevin Allan Dooley, Nashed Youssef
  • Sensorless control in a permanent magnet machine
    Patent number: 7800327
    Abstract: An apparatus and method for providing improved sensorless control of permanent magnet motors is described. Induced electricity from at least one winding set is used to determine rotor position and provide feedback to a commutation circuit driving at least another winding set isolated from the first.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: September 21, 2010
    Assignee: Pratt-Whitney Canada Corp
    Inventor: Kevin Allan Dooley
  • Gas turbine engine case and method of making
    Patent number: 7797922
    Abstract: A casing for an aircraft turbine bypass engine comprises a splitter having slots to receive and be welded to a plurality of struts extending between an outer ring and an inner hub of the casing.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: September 21, 2010
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Andreas Eleftheriou, David Denis, Denis Leclair, Yves Roussel
  • 3D bullet and cartridge case analysis
    Patent number: 7796810
    Abstract: A method and an apparatus to obtain a surface mapping of a ballistic piece of evidence (BPOE) under examination, such as a bullet or a spent cartridge case, that can be used thereafter as a 3D signature for identifying purpose during ballistic test comparison. The method comprises providing a measurement unit adapted to acquire a relief map of the surface of the BPOE and acquiring with the measurement unit the relief map of the surface to thereby obtain the mapping of the surface of the BPOE. Preferably, the measurement unit of the present invention comprises a confocal sensor such as confocal microscope. Also, the present invention includes acquiring the relief map of the bullet surface or of the cartridge case surface by acquiring and assembling a mosaic of regional reliefs that are partly overlapping with their surroundings regional reliefs.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: September 14, 2010
    Assignee: Forensic Technology Wai, Inc.
    Inventors: Eric Nadeau, Myriam Pages, Danny Roberge, Alain Roy, Martin Léger
  • Adaptive method and system of monitoring signals for detecting anomalies
    Patent number: 7797137
    Abstract: There is described a method for detecting anomalies in a set of signals that normally exhibit analogous behaviour. The method comprises: acquiring a set of signals from at least one measurement source; designating a reference signal Sref from the acquired set of signals; computing a deviation Devi between the reference signal Sref at a reference point in time tref (Sref(tref)) and at least one of the acquired signals Si over time; and generating a deviation alarm trigger when the deviation meets a given deviation criteria.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: September 14, 2010
    Assignee: Recherche 2000 Inc.
    Inventors: Michel Veillette, Said Berriah, Gilles Tremblay
  • Method and system for monitoring gas mixture quality
    Patent number: 7794140
    Abstract: A method and system for monitoring the quality of a given gas mixture being transmitted under pressure by throttling a sample of the gas mixture to a representative pressure and measuring the hydrocarbon dew point of the sample at the representative pressure. The measured hydrocarbon dew point is indicative of the cricondentherm of the gas mixture. The representative pressure is pre-selected to provide a pre-selected margin of error between measured hydrocarbon dew points of a set of representative gas mixtures at the representative pressure and respective cricondentherms of the set of representative gas mixtures.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: September 14, 2010
    Assignee: Transcanada Pipelines Limited
    Inventors: Kamal Botros, Steve Hall, John Geerligs
  • ADP-ribosyl transferase fusion variant proteins
    Patent number: 7795218
    Abstract: The present invention relates to novel chimeric C3-like Rho antagonists and their use for promoting repair and neuron survival in injured mammalian central and peripheral nervous system and for treating or preventing cancer.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: September 14, 2010
    Assignee: Bioaxone Therapeutique Inc.
    Inventors: Lisa McKerracher, Jon Scott Munzer
  • Gas turbine engine oil system operation
    Patent number: 7793505
    Abstract: A method of operating a gas turbine engine having at least one electric machine associated therewith, the engine having an oil system communicating with an electric oil pump, at least one bearing cavity of the engine and a coolant passage of the electric machine, the method comprising the step of pumping oil intermittently to the oil system to cool the electric machine.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: September 14, 2010
    Assignee: Pratt & Whitney Canada Corp
    Inventor: Kevin Allan Dooley
  • Carbon sequestration and dry reforming process and catalysts to produce same
    Patent number: 7794690
    Abstract: A carbon sequestration and dry reforming process for the production of synthesis gas and sequestered carbon from carbon dioxide. Two-dimension catalysts for sequestering carbon and a process to produce same. A method for activating two dimension catalysts.
    Type: Grant
    Filed: April 6, 2005
    Date of Patent: September 14, 2010
    Assignee: Socpra Sciences Et Genie s.e.c.
    Inventors: Nicolas Abatzoglou, François Gitzhofer, Jasmin Blanchard, Karine De Oliveira Vigier, Denis Gravelle
  • Turbofan case and method of making
    Patent number: 7793488
    Abstract: A casing for a gas turbine includes a construction providing improved structural efficiency. Improved load paths and means for transmitting loads in the engine case are disclosed.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: September 14, 2010
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Andreas Eleftheriou, Kevin Walter Lobo, Maurice Weinberg, Quantai Liu
  • Pump and method
    Patent number: 7794214
    Abstract: A pump for pumping a liquid comprises a rotor, a stator having at least one electrical winding and at least one cooling path, and a working conduit extending from a pump inlet to a pump outlet, the working conduit being in liquid communication with the cooling path at least at a cooling path inlet to permit a portion of the pumped liquid to circulate through the cooling path when the pump is in use.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: September 14, 2010
    Assignee: Pratt & Whitney Canada Corp.
    Inventor: Kevin Allan Dooley
  • Temperature control apparatus and method for a barbeque grill
    Patent number: 7793649
    Abstract: A temperature control system for controlling the rate of flow of a flammable fluid at generally constant pressure is disclosed. The system may include a flow control apparatus that is free of a regulator mechanism, for affecting the flow of the fluid. The flow control apparatus may be operable between at least a first flow rate and a second flow rate, and may have at least one upstream opening and at least one downstream opening. The system may also include a first burner in fluid communication with the downstream opening of the flow control apparatus and a conduit in fluid communication at one end thereof with the upstream opening of the flow control apparatus, and configured at the other end thereof for connection to a fuel supply. A thermocouple may be located in the vicinity of the burner, for converting a sensed thermal state into an electrical signal.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: September 14, 2010
    Assignee: Wolfedale Engineering Limited
    Inventors: Sydney Barkhouse, Stuart T. McKenzie
  • Fuel injector, burner and method of injecting fuel
    Patent number: 7789659
    Abstract: A primary flow of the burner air stream is slowed relatively to a secondary flow of the air stream. Fuel is injected at a lower rate into the primary flow, which generates a more stable flame, and fuel is injected at a higher rate into the secondary flow, which generates a stronger flame. If the stronger flame is blown out, fuel in the secondary flow can be lit by the flame from the primary flow.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: September 7, 2010
    Assignee: 9131-9277 Quebec Inc.
    Inventor: Gilles Godon
  • Wall hanging system
    Patent number: 7784626
    Abstract: A wall hanging system is comprised of a rigid straight load support strip securable in a horizontal position on a wall surface. The load support strip has a holding flange formed integral therewith and bent obliquely upward and outward. Two or more straight suspension rails, each having an attaching slot at upper end portion thereof extending transversely from a rear face thereof. The slot is configured to receive the holding flange there across whereby to hang the suspension rail from the load support strip at a desired location therealong. The suspension rail has a straight front central slot and a recessed connector bar spaced inwardly of an open front end of the slot for removable sercurement of article support connectors thereto. The connector bar is concealed inside the central slot.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: August 31, 2010
    Inventors: Alain Jacques, Annie Ducharme, Patrice Fallu
  • Denture attachment system
    Patent number: 7785108
    Abstract: A denture attachment system includes an implant member adapted to be secured in a mandible such that a head of the implant member projects out of the mandible. A locking mechanism is adapted to be received in a denture so as to cooperate with the implant member to releasably secure the denture to the implant member. The locking mechanism has a receptacle for receiving the head of the implant member. A locking member is movable between a locking position in which the locking member blocks an access out of the receptacle by opposing a surface complementary to the shape of the head of the implant member to hold the implant member captive in the receptacle with points of contact between the head of the implant member and the locking member being diametrically opposed with respect to the head, and a release position in which the head of the implant member may enter/exit the receptacle).
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: August 31, 2010
    Assignee: Innovation Tap Inc.
    Inventors: Richard Taché, Gilbert Piccard, Charles-André Taché, André Archambault
  • Protective glove with anatomical thumb
    Patent number: 7784110
    Abstract: A protective glove having a thumb portion having at least two dorsal protective members for protecting a back portion of a thumb, adjacent ones of the dorsal protective members being pivotable with respect to one another about a respective axis between an extended position and a folded position, the respective axis being angled with respect to a perpendicular to a longitudinal axis of the thumb portion.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: August 31, 2010
    Assignee: Sport Maska Inc.
    Inventors: Bastien Jourde, Martin Laberge, Pierre Paiement
  • Floating dock structure
    Patent number: 7784419
    Abstract: A floating dock structure is comprised of a pair of single-piece side rails secured together in spaced-apart substantially parallel relationship by a plurality of single-piece cross-members connected between the side rails to a lower tubular portion thereof. The side rails are hollow, tubular aluminum extruded side rails defining a top wall, an exterior side wall, a bottom wall and an interior side wall spaced inwardly from the exterior side wall. Elongated deck support stringers are secured in spaced-apart relationship on a top wall of the cross-members. Decking floor members are supported by the deck support stringers elevated from the top face of the cross-members a distance of up to about five inches (5 inches) to create underfloor passages adapted for the passage of conduits and services material. Floatation support casings are secured under the cross-members.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: August 31, 2010
    Assignee: Gestion Radisson Design Inc.
    Inventors: Olivier Bigler, Claude Barbeau
  • Flagstone
    Patent number: D622872
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: August 31, 2010
    Assignee: Techo-Bloc Inc.
    Inventor: Charles Ciccarello