Patents by Inventor John C. Swan

John C. Swan 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).

  • Process for cleaning internal combustion engine cylinders
    Patent number: 4197140
    Abstract: An improved process for cleaning internal combustion cylinders including disconnecting the ignition mechanisms of preselected cylinders, introducing a combustible cleaning solvent mixture into the fuel intake, running the engine for a period of time, then repeating the process until each cylinder has been treated while its associated ignition mechanism is inoperative and finally running the engine to combust and exhaust all of the cleaning solvent mixture.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: April 8, 1980
    Inventor: John C. Swan
  • Adapter for candlesticks
    Patent number: D264004
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: April 20, 1982
    Assignee: Corning Glass Works
    Inventor: John C. Swan