Patents by Inventor Leslie M. F. Coulthard

Leslie M. F. Coulthard 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).

  • Flare for and method of flaring high velocity gas
    Patent number: 4604047
    Abstract: Method and apparatus for flaring high velocity gas, especially of sonic order, by burning in the vicinity 48 of the gas outlet 41 a low velocity gas in a stable energetic flame able to maintain combustion of the main flame even under considerable lift off, i.e., to a distance greater than is maintainable by a conventional pilot or flame retention device. The low pressure gas is derived at least in part 43, 36 as a portion 44 of the high pressure gas supply having been expanded to low pressure.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: August 5, 1986
    Assignee: GKN Birwelco Limited
    Inventor: Leslie M. F. Coulthard