Patents by Inventor Edward A. Downs

Edward A. Downs 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).

  • Dual tire equalizer having remote indicator
    Patent number: 5302939
    Abstract: The diaphragm of a dual tire equalizer has an axial probe actuating or not actuating a switch in a radio frequency transmitter circuit mounted on the wheel. The transmitter sends a signal varying, depending on the condition of the switch. A radio frequency receiver on the vehicle and connected to an indicator in the driver's cab responds to the signal and issues appropriate information to the driver concerning condition of the equalizer.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: April 12, 1994
    Assignee: Schrader Automotive Inc.
    Inventors: Edward A. Downs, Stephen McClelland