Patents by Inventor Matthias Kretzschmar

Matthias Kretzschmar 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).

  • Method and device for controlling an electromagnetic load
    Patent number: 5878722
    Abstract: A method for driving an electromagnetic load, particularly a solenoid valve that influences the fuel quantity to be injected into an internal combustion engine, the duration of the driving of the solenoid valve being correctable by a delay time, characterized in that the delay time can be specified as a function of the instantaneous value of the current to the desired switch-off procedure.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: March 9, 1999
    Assignee: Robert Bosch GmbH
    Inventors: Jurgen Gras, Hans-Peter Strobele, Rainer Kienzler, Alfred Konrad, Wolfgang Schmauder, Volker Gandert, Matthias Kretzschmar, Franz Thommes