Patents by Inventor Svend A. Heitmann

Svend A. Heitmann 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).

  • Rubber cloth for copying machines
    Patent number: 4423851
    Abstract: In copying machines, cameras etc. the blanks (6, 7) are placed between a glass plate and a support consisting of a rubber cloth (1), which is supplied with a circumferential bead (2). By exhaustion of the field of activity (5) of the rubber cloth (1) the blanks (6, 7) are pressed firmly against the glass plate, and in order to obtain an even exhaustion of the whole field (5) the rubber cloth (1) is supplied with a strip (3) of rubber or plastics along the bead (2) with transversing ducts (4), which are in connection with exhaustion openings (9).
    Type: Grant
    Filed: August 12, 1981
    Date of Patent: January 3, 1984
    Inventor: Svend A. Heitmann