Patents by Inventor Hendrik E. Smit

Hendrik E. Smit 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 gage device having a tube spring associated with a venting valve to adjust a preset
    Patent number: 5796008
    Abstract: A pressure gage device having a pressure gage with a double function. On the one hand it serves for conventional display of pressure and on the other hand it furthermore renders possible a variable setting of the displayed pressure.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: August 18, 1998
    Assignee: Festo KG
    Inventors: Kurt Stoll, Hendrik E. Smit