Patents by Inventor Richard Diepholder

Richard Diepholder 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: 4724648
    Abstract: The invention relates to a deformable seal element to seal the gap between the edge of an aperture in a building and the tail of a vehicle driven up to the latter, with aprons which are attached at the sides and at the top to a frame attached to the building, the frame being retained by stays invariable in height at the end near the building and reducible in length counter to the action of a return force, and the stays being constructed as horizontally aligned helicoidal springs which support at their ends remote from the building a support device for the aprons.
    Type: Grant
    Filed: August 19, 1986
    Date of Patent: February 16, 1988
    Inventor: Richard Diepholder