Patents by Inventor Karl-Heinz Wohlfart

Karl-Heinz Wohlfart 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).

  • Modular operating switch assembly
    Patent number: 7332681
    Abstract: A modular operating switch assembly comprises a housing defining a plurality of switch operating cells. Each of the operating cells has guide walls, a switch actuating member in sliding contact with the guide walls, and a switch contact carrier configured to be selectively equipped with contact pairs such that each of the contact pairs is associated with at least one said switch actuating member. Each switch actuating member is operable to be selectively connected to a key cap associated with a single switch operating cell, or with a key cap associated with a plurality of adjacent switch operating cells.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: February 19, 2008
    Assignee: TRW Automotive Electronics & Components GmbH & Co. KG
    Inventor: Karl-Heinz Wohlfart
  • Modular operating switch assembly
    Publication number: 20070012550
    Abstract: A modular operating switch assembly comprises a housing defining a plurality of switch operating cells. Each of the operating cells has guide walls, a switch actuating member in sliding contact with the guide walls, and a switch contact carrier configured to be selectively equipped with contact pairs such that each of the contact pairs is associated with at least one said switch actuating member. Each switch actuating member is operable to be selectively connected to a key cap associated with a single switch operating cell, or with a key cap associated with a plurality of adjacent switch operating cells.
    Type: Application
    Filed: July 11, 2006
    Publication date: January 18, 2007
    Inventor: Karl-Heinz Wohlfart