Patents by Inventor Gunter Trumpfheller

Gunter Trumpfheller 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: 4881292
    Abstract: A housing, such as an air filter housing, with a plastic attachment tab is provided with a releasable, one-piece, U-shaped attachment clip engaging in a through aperture in the attachment tab and having sleeves formed in the vicinity of the through aperture on the inside of each leg of the U-shaped clip, and at least one resilient tongue on each leg of the clip pressing against the attachment tab.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: November 21, 1989
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Richard Hoferer, Arthur Klotz, Volker Lehmann, Gunter Trumpfheller