Patents by Inventor Peter Josef Strötgen

Peter Josef Strötgen 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).

  • Patent number: 6922897
    Abstract: Ball cage for homokinetic joints, formed from a blank that is configured as a substantially annular spherical segment, the ball cage includes: window-type ball pockets located along an equator with substantially equator-parallel bearing surfaces that interact with joint balls, with substantially annular functional zones that are designed at least on outer ring edge areas and that interact with a joint bell, and with substantially annular functional areas that are designed on inner ring areas and interact with the joint spider, wherein on the blank at least some of the functional zones are elevated compared to the neighboring areas of the ball cage.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: August 2, 2005
    Assignee: IPROTEC Maschinen- und Edelstahlprodukte GmbH
    Inventors: Franz-Josef Adams, Angel Alvarez-Mendez, Ralf Andreas Schellhaas, Volker Steude, Peter Josef Strötgen, Guido Kochsiek