Patents by Inventor Oliver Koehnlein

Oliver Koehnlein 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).

  • Publication number: 20080025857
    Abstract: A piston pump for delivering hydraulic fluid, having a piston that is able to move in a reciprocating fashion in order to build up pressure in a pressure chamber and having at least one valve equipped with a spring sealing element having a sealing region and a spring region in order to open and close an opening.
    Type: Application
    Filed: July 14, 2005
    Publication date: January 31, 2008
    Inventors: Matthias Hurst, Oliver Koehnlein