Patents by Inventor Michael K. Lloyd

Michael K. Lloyd 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).

  • Towing valve arrangement for fail-safe brake system
    Patent number: 3944295
    Abstract: A brake system having spring applied fluid pressure released brakes is provided with an auxiliary source of pressure for release of the brakes and a valve that is locked into an inoperative position effective to thereby render it tamper-proof.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: March 16, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Michael K. Lloyd, Paul C. Rosenberger