Patents by Inventor Ward W. Howland

Ward W. Howland 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).

  • Gasoline fuel composition
    Patent number: 4720288
    Abstract: Amine salts of orthophosphoric acid or its ester, when dissolved in unleaded gasoline in an effective amount, reduce the erosion of non-hardened exhaust valve seats in automotive engines operating on said gasoline. The preferred salts are the amine salts of branched chain primary alkyl acid esters of orthophosphoric acid.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: January 19, 1988
    Assignee: Union Oil Company of California
    Inventors: Michael C. Croudace, Ward W. Howland