Patents by Inventor Leipelt Rudolf

Leipelt Rudolf 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).

  • Liquid filter
    Patent number: 5888384
    Abstract: A fluid filter having a substantially pot-shaped housing 10 in which is disposed a filter insert 11 including a pleated filter element 18 and end plates 19 and 20. The housing has a mounting flange 12 and a cover 13. The cover is connected to the mounting flange by a threaded connection or a bayonet connection. The fluid filter is attached by the mounting flange 12 to a supporting structure by at least one catch or a hinge in the form of a holding flange 29 and a projection 30.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: March 30, 1999
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Roland Wiederhold, Rainer Mueller, Leipelt Rudolf