Patents by Inventor Perry A. Watkins

Perry A. Watkins 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 cooling a tractor using air from a refrigeration trailer
    Patent number: 5438842
    Abstract: In combination with a tractor and refrigeration trailer, a cooling system for cooling the air within the tractor with cooled air as conducted from the refrigeration trailer to reduce fuel consumption, pollutants, or the like, of the tractor. A method for conducting air from a refrigeration trailer to a tractor coupled thereto and a method for retrofitting a cooling system to a combination tractor and refrigeration trailer for cooling the air within the tractor with the cooling system.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: August 8, 1995
    Assignee: Economy Cooling, Incorporated
    Inventors: Roy E. Watkins, Randy S. Watkins, Perry A. Watkins