Patents by Inventor Jef Doering

Jef Doering 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).

  • System and method to reduce stall during deceleration fuel shut off
    Patent number: 7998027
    Abstract: A method of controlling fuel injection in an engine of a vehicle comprising of deactivating a fuel injector of the engine during a deceleration condition of the vehicle; and reactivating the fuel injector when a rate of change of a powertrain shaft deceleration is greater than a threshold.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: August 16, 2011
    Assignee: Ford Global Technologies, LLC
    Inventors: Jef Doering, David Bidner, Shane Elwart