Patents by Inventor Frank Schultz

Frank Schultz 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).

  • Flat packing and method for the production thereof
    Patent number: 7309520
    Abstract: A flat gasket made up of at least one layer of nonwoven fabric consisting of a sheet of asbestos-free fibers or fiber mixtures and impregnated with a polymer, the sealing element consisting of at least one polytetrafluoroethylene-impregnated nonwoven fabric.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: December 18, 2007
    Assignee: Carl Freudenberg KG
    Inventors: Steffen Kosack, Thomas Klenk, Ulrich Liedtke, Frank Schultz
  • Radial shaft seal and method for making same
    Publication number: 20050067793
    Abstract: A radial shaft seal with a sealing element made of a non-woven fabric impregnated with an active material, particularly PTFE. The shaft seal is disposed between a stationary machine part and a rotating shaft. In the axial direction, the sealing element consists of at least one layer of non-woven fabric impregnated with a PTFE dispersion and laminated under pressure and heat.
    Type: Application
    Filed: June 26, 2002
    Publication date: March 31, 2005
    Applicant: Carl Freeudenberg KG
    Inventors: Thomas Klenk, Ulrich Liedtke, Frank Schultz, Eberhard Bock, Stephan Wetzel
  • Flat packing and method for the production thereof
    Publication number: 20040239046
    Abstract: A flat gasket made up of at least one layer of nonwoven fabric consisting of a sheet of asbestos-free fibers or fiber mixtures and impregnated with a polymer, the sealing element consisting of at least one polytetrafluoroethylene-impregnated nonwoven fabric.
    Type: Application
    Filed: July 19, 2004
    Publication date: December 2, 2004
    Inventors: Steffen Kosack, Thomas Klenk, Ulrich Liedtke, Frank Schultz