Patents by Inventor Bernd A. Hillebrand

Bernd A. Hillebrand 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).

  • Cylinder with retractable point spurs and signature clamps
    Patent number: 5503071
    Abstract: A folding cylinder for a web-fed rotary printing press is provided with signature end engaging point spurs. The cylinder is also provided with signature grippers which will engage the signature end or sides so that the point spurs can be retracted at a slower rate of speed to thereby avoid damaging the signature end.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: April 2, 1996
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Bernd A. Hillebrand, Horst B. Michalik
  • Axially adjustable register pin
    Patent number: 5186108
    Abstract: An axially adjustable register pin for a plate cylinder of a rotary printing machine is positioned in a recess in an insertion bar that is carried in a cylinder gap on the periphery of the plate cylinder. The register pin is axially slidable and is held in a selected position by holding devices that are attached to the insertion bar. Each holding device has a cantilever arm and the register pin has lower arms that engage the undersurfaces of the cantilever arms. Set screws are used to hold the lower arms against the cantilever arms.
    Type: Grant
    Filed: December 4, 1991
    Date of Patent: February 16, 1993
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventor: Bernd A. Hillebrand
  • Device for transmitting sound
    Patent number: D468289
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: January 7, 2003
    Assignee: 3D Acoustics Vertriebs-GmbH
    Inventors: Bernd Hillebrand, Frank Hillebrand