Patents by Inventor Bernd Siemon

Bernd Siemon 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).

  • Withdrawal spike
    Patent number: 6743214
    Abstract: The withdrawal spike comprises a piercing thorn (10) and a housing (12) having filter chambers for air and fluid. In a connecting piece (23) for connection of an external device a self-closing valve (31) is arranged. Said valve (31) is adapted to prevent fluid from unintentionally flowing out of the withdrawal spike.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: June 1, 2004
    Assignee: B. Braun Melsungen AG
    Inventors: Norbert Heil, Bernd Siemon, Klaus Siemon
  • Withdrawal spike
    Publication number: 20020040206
    Abstract: The withdrawal spike comprises a piercing thorn (10) and a housing (12) having filter chambers for air and fluid. In a connecting piece (23) for connection of an external device a self-closing valve (31) is arranged. Said valve (31) is adapted to prevent fluid from unintentionally flowing out of the withdrawal spike.
    Type: Application
    Filed: September 26, 2001
    Publication date: April 4, 2002
    Inventors: Norbert Heil, Bernd Siemon, Klaus Siemon