Patents by Inventor Voorhis F. Wigal

Voorhis F. Wigal 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).

  • Patent number: 3946711
    Abstract: An ignition system for internal combustion engines comprises a spark plug located remote from the combustion chamber, a metering pump which supplies a mixture of hydrogen and oxygen gases to the remote spark plug and a capillary-like tube for projecting an explosive flame front, created by the ignition of the hydrogen and oxygen gases, into the combustion chamber to ignite a vaporized fuel-air mixture.
    Type: Grant
    Filed: April 8, 1974
    Date of Patent: March 30, 1976
    Inventor: Voorhis F. Wigal