Patents by Inventor Walter E. Waddey

Walter E. Waddey 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 for improving the fuel economy of an internal combustion engine using fuel having hydroxyl-containing ester additive
    Patent number: 4617026
    Abstract: A method of reducing fuel consumption in an automotive internal combustion engine which comprises operating said engine on gasoline hydrocarbon fuel containing an effective fuel reducing amount of a selected additive which is a hydroxyl-containing ester of a monocarboxylic acid and a glycol or trihydric alcohol, said ester additive having at least one free hydroxyl group.
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: October 14, 1986
    Assignee: Exxon Research and Engineering Company
    Inventors: Harold Shaub, Walter E. Waddey
  • Lubricant composition
    Patent number: 4105571
    Abstract: A storage stable lubricating composition having improved anti-friction and anti-wear properties is provided by a base oil composition containing an additive combination of (1) a zinc dihydrocarbyl dithiophosphate, (2) an ester of a polycarboxylic acid and a glycol and (3) an ashless dispersant containing a high molecular weight aliphatic hydrocarbon oil solubilizing group attached thereto and wherein either the zinc or ester component or both are predispersed prior to adding them to the lubricating composition.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: August 8, 1978
    Assignee: Exxon Research & Engineering Co.
    Inventors: Harold Shaub, Walter E. Waddey