Patents by Inventor Craig R. Knauf

Craig R. Knauf 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: 7810477
    Abstract: An oil mist removal device, with oil fill, is provided for an internal combustion engine. A housing has first and second passages, and a separator therebetween. An oil fill port in the first passage is provided for adding oil to the engine.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: October 12, 2010
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Craig R. Knauf, Chirag D. Parikh, Mark V. Holzmann, Christopher E. Holm
  • Patent number: 7681890
    Abstract: A gasket (201) includes one or more elastomeric sections (301, 305, 307) disposed on a metal substrate (303). An elastomeric ring (307) has an inner diameter (309) that is smaller than an outer diameter of a fastener (205). When the fastener (205) is inserted into the ring (307), the fastener (205) and gasket (201) are retained to each other. When a flange (101) for a device, such as an oil pick-up tube (100), is disposed between the fastener (205) and the gasket (201), the gasket (201) and fastener (205) are retained to the flange (101).
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: March 23, 2010
    Assignee: International Engine Intellectual Property Company, LLC
    Inventors: Gregory A. Griffin, Craig R. Knauf
  • Publication number: 20080276580
    Abstract: An oil mist removal device, with oil fill, is provided for an internal combustion engine. A housing has first and second passages, and a separator therebetween. An oil fill port in the first passage is provided for adding oil to the engine.
    Type: Application
    Filed: July 22, 2008
    Publication date: November 13, 2008
    Inventors: Craig R. Knauf, Chirag D. Parikh, Mark V. Holzmann, Christopher E. Holm
  • Patent number: 7406960
    Abstract: An oil mist removal device, with oil fill, is provided for an internal combustion engine. A housing has first and second passages, and a separator therebetween. An oil fill port in the first passage is provided for adding oil to the engine.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: August 5, 2008
    Assignee: Fleetguard, Inc.
    Inventors: Craig R. Knauf, Chirag D. Parikh, Mark V. Holzmann, Christopher E. Holm