Patents by Inventor Eduard H. J. Damhuis

Eduard H. J. Damhuis 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).

  • Means for handling plastic containers
    Patent number: 5105606
    Abstract: A transfer mechanism for transferring groups of plastic containers from a continuously moving transport conveyor to a tray includes container sensors and a mechanism for providing correct in-fee timing of the containers. The tray is advanced after each group of containers is deposited therein and when the tray is full, it is removed.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: April 21, 1992
    Assignee: FMC Corporation
    Inventors: Sherman H. Creed, Norman A. Planck, Jr., Wesley W. Walter, Thomas F. Burks, Carl E. Lindow, Eduard H. J. Damhuis
  • Implantable piezoelectric pump system
    Patent number: 4944659
    Abstract: A dispensing device for use in an implantable drug delivery system for ambulatory patients comprises a pump in a drug reservoir and a piezoelectric disc element bonded to a diaphragm member forming one wall of a pump chamber and a battery and electrical circuits for cyclically applying electrical voltage to the piezoelectric member for inducing pumping movement in the diaphragm member to pump drugs from a reservoir via a valve and to a delivery catheter via another valve. A gas spring is provided to move the pump to maintain adequate pressure in the drug reservoir.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: July 31, 1990
    Assignee: KabiVitrum AB
    Inventors: Jean-Marie Labbe, Eduard H. J. Damhuis, Robert E. L. Cox