Patents by Inventor John C. Morton

John C. Morton 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).

  • Recreational vehicle refrigerator heat control system
    Patent number: 6076363
    Abstract: A heat exhaust system for installation in the space behind the refrigerator of a recreational vehicle for disposal of heat that builds up behind an RV refrigerator from the operation thereof. The system operates automatically to turn on a fan to dissipate the heat at a predefined high temperature, and operates automatically at a predefined low temperature to turn off the fan thereof.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: June 20, 2000
    Inventor: John C. Morton
  • Hand truck stair tread engaging device
    Patent number: 4290618
    Abstract: In a conventional hand truck, a stair tread engaging device having reduced friction and improved mobility provided by a plurality of rollers each rotating freely in its own socket and only on its own axis without forward movement.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: September 22, 1981
    Assignee: Clamor Company
    Inventor: John C. Morton