Patents by Inventor Josef Weichselbaumer

Josef Weichselbaumer 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).

  • Closure cap for a container pipe
    Patent number: 5036888
    Abstract: A cap for the pipe of an automobile radiator or the like includes a pressure/vacuum valve. The pressure at which the valve opens may be adjusted by an easily operated means permitting adjustment of the compression of a pressure spring, thereby making it possible to reduce the effect of spring tolerances on opening pressure tolerances.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: August 6, 1991
    Assignees: Konrad Scharrer, Josef Weichselbaumer
    Inventors: Konrad Scharrer, Josef Weichselbaumer