Patents by Inventor Ulrich Dubendorfer

Ulrich Dubendorfer 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).

  • Pressure transducers for plastic substances
    Patent number: 4059999
    Abstract: A transducer for measuring the pressure characteristics of elastic material to be injection moulded includes a transducing element contained within a sleeve member mounted in an injection moulding device. An end of the sleeve member adjacent the material whose pressure characteristics are to be measured contains a pressure transmitting element for transmitting the pressure characteristics of the injection moulded material to the transducing element. Support and guiding structure is provided for supporting the transducing and pressure transmitting elements in the sleeve member, and for maintaining a uniform spacing of the pressure transmitting element from the internal wall of the sleeve member.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: November 29, 1977
    Assignee: Kistler Instrumente AG
    Inventors: Paul Engeler, Hans Ulrich Baumgartner, Ulrich Dubendorfer, Hans Conrad Sonderegger