Patents by Inventor Sonja Polster

Sonja Polster 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 sensor
    Patent number: 4768375
    Abstract: In a pressure sensor for detecting the air pressure in the interior of tubeless tires of motor vehicles, on a rim having two edge beads extending around its outside and a drum-like base, to facilitate mounting and provide malfunction-free, exact detection of pressure it is provided that the pressure sensor (10) is disposed in a bore (9) of the preferably radially inner section (5) of a bead (3), and in particular the longitudinal axis (43) of the pressure sensor (10) forms an acute angle with the axis (44) of the rim.
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: September 6, 1988
    Assignee: Robert Bosch GmbH
    Inventors: Dieter Eckardt, Gerhard Hettich, Kurt Metzger, Sonja Polster, Hans-Dieter Schmid, Hans-Jorg Schmidt, Hans Schrumpf