Patents by Inventor Marko Schrödter

Marko Schrödter 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).

  • Multi-stage piston type compressor
    Patent number: 7351044
    Abstract: In order to achieve a high level of impermeability with a low closing force for the sealing elements of a multistage piston compressor, the overflow channel (19) in the valve piston (9) opens into at least two passages (26, 27) and the sealing plate of the overflow check valve (20) that is located in the valve piston (9) is configured as a freely guided closing membrane (28) with a limited stroke. The passages (26, 27) of the overflow channel (19) have different diameters, are arranged on a graduated circle at a radial distance from the axis of the closing membrane (28) and are completely covered by the closing membrane (28).
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: April 1, 2008
    Assignee: Continental AG
    Inventors: Iwan Antufjew, Marko Schrödter, Stefan Beetz