Patents by Inventor Lou Vierling

Lou Vierling 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).

  • Matrix injector driver circuit
    Publication number: 20020035987
    Abstract: A fuel injector control circuit reduces the number of gates required by arranging high side and low side gates in a matrix. Each coil is selectively activated by activating a unique pair of a high side gate and a low side gate, thus reducing the total number of gates required.
    Type: Application
    Filed: October 11, 2001
    Publication date: March 28, 2002
    Inventors: John C. McCoy, Lou Vierling