Patents by Inventor Ralph E. Agnew

Ralph E. Agnew 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).

  • Carburetor valve
    Patent number: 4563311
    Abstract: A diaphragm carburetor provided with a temperature-sensitive lever arm is disclosed. The temperature-sensitive lever arm permits hot restart of an engine when the carburetor is in a vapor lock condition, without the use of the choke mechanism.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: January 7, 1986
    Assignee: McCulloch Corporation
    Inventor: Ralph E. Agnew
  • Method and apparatus for attenuating sound
    Patent number: 4418790
    Abstract: Methods and apparatus for attenuating sound levels characterized by a muffler utilizing the splitting of exhaust gas flows followed by recombining of these split flows in mutually opposed relationship. Sequentially alternating expansion and contraction of the exhaust gas is caused to occur, during which increments of exhaust gas exit sequentially along the exhaust gas flow from the muffler.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: December 6, 1983
    Assignee: McCulloch Corporation
    Inventor: Ralph E. Agnew