Patents by Inventor Thomas B. Upchurch, Jr.

Thomas B. Upchurch, Jr. 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: 4155225
    Abstract: In abstract, a preferred embodiment of this invention is a control means for vehicular type air conditioning systems wherein when a vehicle reaches a certain incline a preset switch will open thereby shutting off the air conditioning system of the vehicle until a more level inclination is reached. Additionally, a manual bypass is provided as is a level adjustment for the switch.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: May 22, 1979
    Inventor: Thomas B. Upchurch, Jr.