Patents by Inventor Gary Bisel

Gary Bisel 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).

  • Gas engine cylinder head, and a method of retrofitting the head with a precombustion chamber unit
    Patent number: 5230313
    Abstract: The cylinder head has a conventional spark plug, therein, for engine start-up, and has a precombustion chamber unit mounted therein as well, for cleaner, more stable normal running of the engine. The method defines the reaming out of spark plug apertures in the head to accommodate the installation of the precombustion chamber unit.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: July 27, 1993
    Assignee: Dresser-Rand Company
    Inventors: Gary Bisel, Charles F. Wilke