Patents by Inventor Clemens Schefzik

Clemens Schefzik 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).

  • Sealing arrangement
    Patent number: 7959159
    Abstract: In order to provide a seal arrangement for sealing between a first medium space filled with a first medium and a second medium space filled with a second medium which ensures reliable sealing between the medium spaces with very low leakage values even over a prolonged period of use, wherein said seal arrangement comprises a moveable component which is displaceable in the longitudinal direction thereof and/or rotatable about the longitudinal direction thereof and extends through the seal arrangement and wherein the seal arrangement comprises a sealing element which comprises a first sealing region that is sealing in relation to the first medium space and a second sealing region that is sealing in relation to the second medium space, wherein the first sealing region comprises a first dynamic sealing section abutting against the moveable component and the second sealing region comprises a second dynamic sealing section abutting against the moveable component and at least one of the two dynamic sealing sections h
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: June 14, 2011
    Assignees: ElringKlinger AG, Robert Bosch GmbH
    Inventors: Klaus Hocker, Walter Schuhmacher, Clemens Schefzik, Klaus Lang, Siamend Flo, Berthold Pfuhl, Heinz Siegel
  • Sealing arrangement
    Publication number: 20080122184
    Abstract: In order to provide a seal arrangement for sealing between a first medium space filled with a first medium and a second medium space filled with a second medium which ensures reliable sealing between the medium spaces with very low leakage values even over a prolonged period of use, wherein said seal arrangement comprises a moveable component which is displaceable in the longitudinal direction thereof and/or rotatable about the longitudinal direction thereof and extends through the seal arrangement and wherein the seal arrangement comprises a sealing element which comprises a first sealing region that is sealing in relation to the first medium space and a second sealing region that is sealing in relation to the second medium space, wherein the first sealing region comprises a first dynamic sealing section abutting against the moveable component and the second sealing region comprises a second dynamic sealing section abutting against the moveable component and at least one of the two dynamic sealing sections h
    Type: Application
    Filed: September 21, 2007
    Publication date: May 29, 2008
    Inventors: Klaus Hocker, Walter Schuhmacher, Clemens Schefzik, Klaus Lang, Siamend Flo, Berthold Pfuhl, Heinz Siegel