Patents by Inventor G{umlaut over (u)}nther Strasser

G{umlaut over (u)}nther Strasser 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).

  • Piezoelectric valve
    Patent number: 6173744
    Abstract: A piezoelectric bending element is sealingly insertable into a chamber in a housing and controls with its free end at least one sealing seat corresponding to an applied control current. The bending element has a covering made of partially elastic insulating material and which also seals off the chamber at the proximal end. The bending element is electrically insulated and sealed off against the medium to be controlled, and electrical contacts lie outside of the working area of the valve.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: January 16, 2001
    Assignee: Hygrama AG
    Inventors: Herbert Frisch, Hannes Wirtl, G{umlaut over (u)}nther Strasser