Patents by Inventor Christopher Roy

Christopher Roy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6267899
    Abstract: Centrifugation separations apparatus including centrifugation means having an inlet, a liquids discharge and a solids discharge, a deflector operatively associated with the solids discharge, wherein the solids discharge is adapted to operatively discharge solids being discharged from the centrifugation means at a trajectory and the deflector is adapted to interrupt the trajectory to decelerate and change the direction of travel of the solids, or wherein the deflector is operatively associated with the solids discharge and cooperable with solids being discharged from the solids discharge whereby buildup of solids on the deflector is substantially prevented, or wherein the solids discharge includes a lip configuration which causes the trajectories of the discharging crystals to be relatively independent of their size and/or their residual syrup/moisture content, or including support means, such as a spider like construction having one or more webs substantially parallel to the angular motion of the solids being
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: July 31, 2001
    Assignee: STG-FCB Holdings PTY Ltd.
    Inventors: Christopher Roy Greig, Peter James Tait, Russell Kirk
  • Patent number: 6210639
    Abstract: Compositions and methods of disinfecting and cleaning medical articles are disclosed. Disinfecting contact lenses by generating of peracetic acid in situ, while simultaneously cleaning with a proteolytic enzyme, is a preferred embodiment. Tablets for simple consumer use including disinfecting and cleaning means, and delayed release neutralizing means, are also disclosed.
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: April 3, 2001
    Assignee: Novartis AG
    Inventors: Elizabeth Gayle Vlass, Christopher Roy Boam, Ian Michael Riorden George, Stephen Dennis Cooper
  • Patent number: 6130699
    Abstract: A media supply for a thermal ink printer, includes a central shaft defining a longitudinal axis, a media hub for supporting a supply of media in a coiled configuration coaxially mounted about the central shaft and adapted for rotational movement thereabout, a hub clamp mounted to the media hub and adapted for axial movement therealong to accommodate media supplies of various lengths and a torsion spring mounted about the central shaft and operatively engageable with the media hub to rotatably bias the media hub to an initial position corresponding to an unstressed condition of the torsion spring in response to movement of the media hub through a predetermined angular sector of rotation in one rotational direction, to thereby maintain a predetermined level of tension on the media. A locking member may be associated with the hub clamp to selectively secure the hub clamp at a predetermined axial position.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: October 10, 2000
    Assignee: Datamax Corporation
    Inventors: Christopher Roy Christensen, William M. Bouverie, Kenneth Colonel, Mark Allen Hitz
  • Patent number: 6127678
    Abstract: A print media sensor mounting assembly includes a housing having a sensor mounting element. The sensor mounting element has a sensor position movably mounted therein for movement of the sensor position to a plurality of predetermined positions corresponding to a width of a print media web.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: October 3, 2000
    Assignee: Datamax Corporation
    Inventors: Christopher Roy Christensen, William M. Bouverie
  • Patent number: 6013696
    Abstract: A method for manufacturing a heat resistant friction material which comprises forming pores in the surface of the friction material, the pores being formed with a controlled pore size, depth, pattern, orientation and distribution.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: January 11, 2000
    Assignee: The Mead Corporation
    Inventors: Larry Oather Hill, Richard S. Goodlin, Christopher Roy Mathews, Mahendra Mehta
  • Patent number: 5932075
    Abstract: An apparatus for performing batchwise chemical reactions using microwave energy (10-11-12) includes a vessel (15) within a microwave cavity (13). The vessel has a sealed cover (16), located outside cavity (13), which mounts a cold-finger type heat exchanger (24) for immersion in the vessel's contents (23). Cover (16) also mounts a pressure measuring device (17) and a temperature sensing device (20) for monitoring the vessel's contents during a chemical reaction. A pressure operable safety valve (18) and a sampling facility (19) are also mounted on the cover (16). The vessel also contains a magnetically operated stirrer (22). The reactor apparatus is constructed to withstand high pressures and temperatures that may be developed within the vessel (15). Various uses of the cold-finger (24) to facilitate the conduct or completion of a chemical reaction are described.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: August 3, 1999
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Christopher Roy Strauss, Robert William Trainor, Kevin David Raner, John Stanley Thorn
  • Patent number: 5730836
    Abstract: A method for concentrating a clay slurry by subjecting the slurry to indirect heat exchange within a heat exchanger to elevate the temperature of the slurry while specifically suppressing boiling of the liquid within the heat exchanger. The heated slurry is subsequently subjected to a rapid pressure reduction which causes flash evaporation of part of the liquid. The rapid pressure reduction can occur in a separation vessel.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: March 24, 1998
    Assignee: Comalco Aluminium Limited
    Inventors: Christopher Roy Greig, Peter James Tait, Peter John Noble