Patents by Inventor John C. Trowbridge

John C. Trowbridge 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).

  • Coating of boron particles
    Patent number: 4915753
    Abstract: Method for coating boron particles with a thin ceramic layer. The method provides for thermal decomposition of a hydrocarbon gas in the presence of the boron particles. The coated particles are useful in fuels, giving improved combustion in solid propellant and ramjet fuels.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: April 10, 1990
    Assignee: United Technologies Corporation
    Inventors: John C. Trowbridge, Jack D. Breazeal
  • Coating of boron particles
    Patent number: 4877649
    Abstract: Method for coating boron particles with a thin ceramic layer. The method provides for thermal decomposition of a hydrocarbon gas in the presence of the boron particles. The coated particles are useful in fuels, giving improved combustion in solid propellant and ramjet fuels.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: October 31, 1989
    Assignee: United Technologies Corporation
    Inventors: John C. Trowbridge, Jack D. Breazeale