Patents by Inventor James Andregg

James Andregg 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).

  • Heating unit for windshield wiper
    Patent number: 4152808
    Abstract: A windshield wiper unit adapted to be secured to conventional wiper mechanisms and to retain conventional wiper blades while providing heat to both for the prevention of icing. The unit is of molded nylon having very thin resistance ribbon wires embedded in portions that engage the side channels of the wiper blades. Centrally embedded in the unit is a Frieon-heat sensitivity control for the electrical system that completes the operational capability of the unit.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: May 8, 1979
    Assignee: Clear-Vu, Inc.
    Inventor: James Andregg