Patents by Inventor Errol Cowan

Errol Cowan 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: 5140719
    Abstract: The vehicle window cleaning device replaces the windshield wipers. The device employs two electrically powered high-speed blowers, with high-impact exhaust air ducted to air nozzles to clear rainwater, water, moisture, debris and loose powder snow from the exterior surfaces of the windshield, right-side and left-side front and rear window, and the rear window, and from the mirrored surfaces of the right and left side view mirrors. One blower services the windshield, the right and left side-view mirrors, and the right-side and left-side front windows. The second blower services the rear window, and the right-side and left side rear windows.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: August 25, 1992
    Inventor: Errol Cowan
  • Patent number: 5097563
    Abstract: The vehicle window cleaning device totally replaces the windshield wiper system. A combined housing houses an electrically powered blower and heater. The housing is ducted to air nozzles disposed below the windshield's bottom. Blower-forced air from the housing through the air nozzles impacts the entire windshield exterior with tremendous force to clean such surface by instantly blowing away dirt, water and moisture. High-temperature air heated by the heater and blower-forced through the air nozzles likewise impacts, melts and blows away ice, ice-encrusted snow and snow from the windshield's exterior surface and cleans such surface by blowing away dirt, water and moisture.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: March 24, 1992
    Inventor: Errol Cowan