Patents by Inventor Hermann Schaefer

Hermann Schaefer 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).

  • Electrical outlet seal
    Patent number: 4484021
    Abstract: A resilient gasket for a weatherproof electrical outlet provides seals between the outlet box and the cover plate, between the receptacle and the cover plate, and between the cover plate and cover flap or plug connected to the receptacle. The gasket is a planar member having a peripheral configuration corresponding to the peripheral configurations of a standard outlet box and cover plate therefor and is received between the cover plate and receptacle and between the cover plate and outlet box. At least one aperture extends through the gasket and has transverse dimensions, in a relaxed condition of the gasket, less than the similar dimensions of projections on standard electrical receptacles.
    Type: Grant
    Filed: August 26, 1982
    Date of Patent: November 20, 1984
    Assignee: Harvey Hubbell Incorporated
    Inventors: Hermann Schaefer, Ernest G. Hoffman