Patents by Inventor David E. Counts

David E. Counts 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: 5007396
    Abstract: A throttle valve adjustment construction, a throttle valve adjustment unit and methods of making the same are provided, the throttle valve adjustment construction comprising a support, a throttle valve adjustment arm movably carried by the support and having structure for tending to move the arm in one direction to a closed throttle condition thereof, and a temperature operated throttle valve adjustment unit carried by the support and being operatively associated with the arm to adjust the position of the arm at the throttle closed condition thereof, the throttle valve ajustment unit comprising a temperature responsive device that comprises a piston member and a cylinder member that are adapted to provide relative movement therebetween when the device senses certain temperatures.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: April 16, 1991
    Assignee: Robertshaw Controls Company
    Inventors: Carl A. Wellenkotter, David E. Counts