Patents by Inventor Donald E. Stiemke

Donald E. Stiemke 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).

  • Air cleaner with self-mounted inlet shroud seal
    Patent number: 6425930
    Abstract: An underhood air cleaner (20) for a vehicle (22) has an inlet shroud seal (72) self-mounted to the filter housing (60) at the filter inlet (68) and engaging the hood (28) at the exit opening (36) of the hood air channel (30). The self-mounting is accomplished without extra parts or fasteners such as bolts and clamps. Both axial (198) and radial (200) retention is provided for the shroud seal (72) on the filter housing (60), as well as reduced inflow restriction.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: July 30, 2002
    Assignee: International Truck Intellectual Property Company, L.L.C.
    Inventors: Jon S. Wake, Donald E. Stiemke, Mark V. Holzmann, Michael J. Mikolichek
  • Filter with retained safety element
    Patent number: 6383244
    Abstract: A filter (10) has a housing (12) extending along an axis (18) between first and second axial ends (20 and 22), and has a closed loop primary filter element (24) extending axially in the housing, and a closed loop safety filter element (48) in the hollow interior (30) of the primary filter element. A detent member (60) engages and retains the end cap (54) of the safety filter element independently of the primary filter element to retain the safety filter element in housing upon removal of the primary filter element from the housing.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: May 7, 2002
    Assignee: Nelson Industries, Inc.
    Inventors: Jon S. Wake, Donald E. Stiemke, James A. Bass, Mark V. Holzmann, Paul B. Rear