Patents by Inventor Eric Spieth

Eric Spieth 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).

  • Apparatus for keeping open the gap cut by a saw in a work piece
    Patent number: 4378715
    Abstract: The gap cut by a saw blade into a work piece is kept open behind the saw blade by work piece engaging clamping jaw portions on each side of the blade. For this purpose, each clamping jaw includes, in addition to the clamping pressure applying power drive, a further power drive which permits moving the respective work piece engaging clamping jaw portion independently of the clamping pressure applying power drive and in a direction extending substantially perpendicularly to the direction of movement of the clamping pressure applying power drive.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: April 5, 1983
    Assignee: Gustav Wagner Maschinenfabrik
    Inventors: Gerhard Kaiser, Eric Spieth