Patents by Inventor Gregory A. Stievenart

Gregory A. Stievenart 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).

  • Joystick assembly for improved machine control
    Patent number: 8212770
    Abstract: A joystick assembly that provides enhanced operator control and stability during rough operation by being primarily rotatable about a vertical axis of a clockspring. The joystick assembly also includes a palm support that is associated with the clockspring via a clamp in the lower housing of the palm support. Further, the joystick assembly has an interface device that includes at least one input device that is conveniently actuated by an operator's thumb.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: July 3, 2012
    Assignee: Caterpillar Inc.
    Inventors: Roger G. Obourn, Matthew Vazquez, Gregory R. Kopp, Daniel E. Shearer, Robert L. Stamate, Gregory A. Stievenart
  • JOYSTICK ASSEMBLY FOR IMPROVED MACHINE CONTROL
    Publication number: 20090201250
    Abstract: A joystick assembly that provides enhanced operator control and stability during rough operation by being primarily rotatable about a vertical axis of a clockspring. The joystick assembly also includes a palm support that is associated with the clockspring via a clamp in the lower housing of the palm support. Further, the joystick assembly has an interface device that includes at least one input device that is conveniently actuated by an operator's thumb.
    Type: Application
    Filed: February 10, 2009
    Publication date: August 13, 2009
    Applicant: Caterpillar Inc.
    Inventors: Matthew Vazquez, Roger G. Obourn, Robert L. Stamate, Gregory A. Stievenart, Daniel E. Shearer, Gregory R. Kopp
  • Thermostat
    Patent number: D364103
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: November 14, 1995
    Assignee: Carrier Corporation
    Inventors: Gregory A. Stievenart, Philip A. Hider, Pasquale Fasulo, Mark D. Dziersk