Patents Represented by Attorney Stikeman Elliott LLP
  • Patent number: 7757839
    Abstract: Slides for use on an endless belt conveyor belt and wear pads for use on slides for endless belt conveyors.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: July 20, 2010
    Assignee: Canglide Inc.
    Inventor: Jean-Marc Boudreau
  • Patent number: 7733091
    Abstract: A probe suitable for use in unilateral nuclear magnetic resonance imaging and adapted to be embedded in a sample to be analysed, the probe comprising; a static magnetic field generator; a radiofrequency magnetic field generator adjacent to the static magnetic field generator; a circuit controlling the frequency response of the radiofrequency magnetic field generator, adjacent to the static magnetic field generator; an input cable coupled to the frequency control circuit and the frequency control circuit coupled to the radiofrequency magnetic field generator.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: June 8, 2010
    Assignee: University of New Brunswick
    Inventors: Andrew E. Marble, Joshua J. Young, Igor V. Mastikhin, Bruce G. Colpitts, Bruce J. Balcom
  • Patent number: 7660029
    Abstract: Tunable photonic crystals offer an interesting possibility to adjust the photonic band gap (PBG) as per requirement. Various methods of achieving this have been tried that include polarization of liquid crystals, thermal effects and more. Chromogenic devices provided in accordance with the present invention include combinations and subcombinations of electrochromic, photochromic, thermochromic devices featuring TMO based inverse opals having tunable photonic band gaps (PBG) for certain frequencies. Electrochromic (EC) materials in which a reversible optical property change can be induced with the application of a small electric field offer a novel possibility to tune the PBG in a controlled and reversible way. The reversible chemical change and the ensuing change of optical constants in these periodically arranged EC materials make the PBG tunability possible. In a recent work we have demonstrated for the first time the PBG tunability of EC materials deposited in the form of periodic inverse opals.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: February 9, 2010
    Assignee: Universite de Moncton
    Inventors: Pandurang Ashrit, Sulan Kuai
  • Patent number: 7586409
    Abstract: A container monitoring system which includes a microprocessor comprising a memory to store data, and a control program executed by said microprocessor, said microprocessor having a stand-by mode and an active mode, a communications means connected to said microprocessor for transmitting data from said microprocessor to a monitoring station, a zone monitoring device on the container connected to said microprocessor in a loop with said microprocessor in said stand-by mode, a power source for supplying power to said microprocessor, communications means and zone monitoring device, wherein upon said microprocessor receiving an input signal from said zone monitoring device, said control program directs said microprocessor to switch to active mode, generate and store in said memory an alarm message corresponding to said input signal from said zone monitoring device, activate said communications means, and transmit said alarm message to a monitoring station.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: September 8, 2009
    Assignee: Armstrongs Communication Ltd.
    Inventors: Gary Armstrong, Craig Demmings, Wayne Wainwright, George Watson, Leo Cahalan, Dan Small
  • Patent number: 6962150
    Abstract: A modular swimming pool water heating system including a first casing for mounting in an attic of a building, a heat exchange unit removably mounted in said first casing, an opening in said first casing permitting access to the interior of the first casing for receiving said heat exchanger, a cover removably mounted on said casing for closing said opening, an inlet manifold on said heat exchanger for introducing swimming pool water into said heat exchanger, said inlet manifold extending through said cover on said first casing when the first casing is closed, an outlet manifold on said heat exchanger for returning water to a swimming pool, said outlet manifold extending through said cover on said first casing when the first casing is closed, inlet sleeves for removable attachment to one side of said first casing for introducing air into the casing, fan units for removable mounting on a second side of said first casing opposite said one side for drawing air into said first casing and through said heat exchange
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: November 8, 2005
    Inventor: David Allen Booth
  • Patent number: 6904972
    Abstract: A subterranean fracturing fluid, which is relatively harmless to both the environment and subterranean formations includes an amphoteric surfactant, specifically a betaine surfactant and an organic electrolyte or an alcohol in an aqueous medium. Depending upon the proportions of the ingredients, and fluid can be foamed.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: June 14, 2005
    Inventors: Kewei Zhang, Bill Oneil
  • Patent number: 6854593
    Abstract: An idler for a conveyor belt, in which the idler has a pad including a bottom surface and a top surface; a bore in the bottom surface, the bore including a frusto-conical portion extending from the bottom surface toward the top surface, whereby as the pad wears, the bore is exposed in the top surface.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: February 15, 2005
    Inventor: Jean-Marc Boudreau
  • Patent number: 6812356
    Abstract: 9-dihydro-13-acetylbaccatin III, one of the chemicals obtained from Taxus canadensis is used to produce, inter alia, 10-decetylbaccatin III, a useful intermediate for the preparation of paclitaxel and analogues thereof The 9-dihydro-13-acetylbaccatin III is converted into the 10-deacetylbaccatin III by a simple three step process involving (a) replacement of the C-7 hydroxyl group of tho 9-dihydro compound with a protecting group, (b) the oxidizing of the C-7 protected compound to produce a C-9 ketone, and (c) the deprotecting of the C-9 ketone to produce 10-deacetylbaccatin III.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: November 2, 2004
    Inventors: John Findlay, Ghislain Deslongchamps, Guoqiang Li