Patents by Inventor William R. Large

William R. Large 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).

  • Control unit
    Patent number: 4050249
    Abstract: A control unit creates a control pressure signal which causes a pressure responsive valve assembly to interrupt the flow of secondary air to the exhaust system of an internal combustion engine during prolonged heavy load operation.
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: September 27, 1977
    Assignee: General Motors Corporation
    Inventors: George R. Collins, William R. Large