Patents by Inventor Patrick A. Parker

Patrick A. Parker 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).

  • Method and apparatus for adding wireless devices to a security system
    Patent number: 7576646
    Abstract: A method of installing a security system includes transmitting an air-borne request signal to a security device. An air-borne reply signal is transmitted from the device in response to the request signal. The reply signal includes identification information corresponding to the device.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: August 18, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Craig A. Hayden, Dennis M. Caler, Patrick A. Parker, James E. Berube, John B. Crosier, Alan B. Hayter
  • Temperature-control arrangement for a pair of hydraulic motors
    Patent number: 3969897
    Abstract: A hydraulic system having a plurality of hydraulic motors operated by fluid from a common reservoir includes means for circulating a flow of fluid from the reservoir through the housing of the motors to thereby maintain a substantially equal temperature between the motors and the fluid.
    Type: Grant
    Filed: February 28, 1975
    Date of Patent: July 20, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Rex T. Humphreys, Glenn J. Medina, Patrick A. Parker