Patents by Inventor Ullrich Stephan

Ullrich Stephan 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).

  • Heating element for preheating intake air for an internal combustion engine
    Patent number: 7064293
    Abstract: A heating element for preheating intake air for an internal combustion engine and having a housing for attaching the heating element to an air intake line of the internal combustion engine. At least one heating strip (1), which runs in windings (1a), is held in the housing and is provided with electrical terminals (6) that lead from the housing to the outside. The heating strip (1) is held in the housing by a support (3) running between two housing walls, which runs, electrically insulated, through the windings (1a) of the heating strip (1).
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: June 20, 2006
    Assignee: Beru AG
    Inventors: Steffen Geiger, Thomas Giffels, Martin Eller, Ullrich Stephan, Hans Houben
  • Heating element for preheating intake air for an internal combustion engine
    Publication number: 20050167411
    Abstract: A heating element for preheating intake air for an internal combustion engine and having a housing for attaching the heating element to an air intake line of the internal combustion engine. At least one heating strip (1), which runs in windings (1a), is held in the housing and is provided with electrical terminals (6) that lead from the housing to the outside. The heating strip (1) is held in the housing by a support (3) running between two housing walls, which runs, electrically insulated, through the windings (1a) of the heating strip (1).
    Type: Application
    Filed: January 27, 2005
    Publication date: August 4, 2005
    Applicant: Beru AG
    Inventors: Steffen Geiger, Thomas Giffels, Martin Eller, Ullrich Stephan, Hans Houben