Patents by Inventor Josef Dorfler

Josef Dorfler 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).

  • Hose pump for medical uses
    Patent number: 4483666
    Abstract: A hose pump comprises a housing in which a drive shaft is mounted. The shaft is provided with an obliquely extending shaft piece on which a swash plate is mounted. The swash plate end face presses against a hose which lies in an annular groove located in the underside of the housing cover. The swash plate does not substantially rotate relative to the housing or to the hose and therefore exerts substantially no shear on the hose.
    Type: Grant
    Filed: July 19, 1983
    Date of Patent: November 20, 1984
    Assignee: Intermedicat GmbH
    Inventors: Ernst W. Schubert, Josef Dorfler