Patents by Inventor Peter Tess

Peter Tess 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-cooker
    Patent number: 3973694
    Abstract: The specification describes a pressure-cooker with pot and lid parts which can be turned in relation to each other and can be connected with each other by means of a bayonet joint or the like. Pot lid handles can be locked with each other and a pressure limiting valve which is adapted to be loaded by a spring and is arranged on the lid. The loading spring of the pressure limiting valve is preloaded in accordance with the locking together of the pot and lid handles.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: August 10, 1976
    Assignee: Oberschwabische Metallwarenfabrik GmbH & Co. KG
    Inventor: Peter Tess