Patents by Inventor Mark E. Rudzik

Mark E. Rudzik 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).

  • Rolled threaded filter bowl
    Patent number: 5891336
    Abstract: A filter bowl is disclosed. The filter bowl includes an elongated canister having an open end, a closed end and a wall having an exterior surface, the exterior surface having a plurality of rolled threads. The exterior surface includes an unthreaded portion disposed between the open end and the plurality of rolled threads. The filter bowl is preferably made of steel and is produced in a process including the steps of: 1) deep drawing the elongated canister and 2) rolling threads onto the exterior surface of the canister.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: April 6, 1999
    Assignee: Alco Industries, Inc.
    Inventors: Abbas F. Vijlee, Mark E. Rudzik