Patents by Inventor Donald J. Hill

Donald J. Hill 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).

  • Control unit for off-road vehicles including housing configured to fit within pre-existing cavity of off-road-vehicle cab
    Patent number: 9404749
    Abstract: A control unit disposed in the cab of an off-road vehicle includes a user interface; an attitude and heading reference system and a housing. The attitude and heading reference system includes a processor and at least one of a positioning receiver, magnetometer, compass, gyro and accelerometer electrically connected to the processor. The housing is sized to be fittingly received in a pre-existing DIN slot in the cab of the off-road vehicle.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: August 2, 2016
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Donald J. Hill, Aleksander Valdis Velde, Stuart Gray
  • Method for determining nuclear reactor fuel pellet density using gas displacement
    Patent number: 5583897
    Abstract: A method for determining the density of nuclear fuel pellet using gas displacement and isothermal gas expansion.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: December 10, 1996
    Assignee: Siemens Power Corporation
    Inventor: Donald J. Hill
  • Nuclear core arrangement
    Patent number: 4326919
    Abstract: A method and arrangement for utilizing mixed oxide fuel in the core of a nuclear reactor controlled by rectilinearly movable control rod elements which decreases the maximum single control rod element worth in the core. Fuel elements containing the mixed oxide fuel are positioned at discrete core locations, particularly at those locations receiving high worth control rod elements, thereby decreasing the worth of those control elements.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: April 27, 1982
    Assignee: Westinghouse Electric Corp.
    Inventor: Donald J. Hill
  • Bearing mount for a corn harvester snapping roll
    Patent number: 4219990
    Abstract: The mount (17) for the front bearing (19) of a corn harvester snapping roll (14) is in two parts (18, 21) which have cooperative end portions which permit relative adjustment of such parts about a laterally extending axis (62). Such adjustment permits the front bearing axis (31) to be placed in a lateral plane (61) in which the snapping roll rear bearing axis (32) is also disposed.
    Type: Grant
    Filed: May 1, 1979
    Date of Patent: September 2, 1980
    Assignee: Allis-Chalmers Corporation
    Inventor: Donald J. Hill