Patents by Inventor John Blakemore Harrison

John Blakemore Harrison 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: 7287519
    Abstract: An apparatus (100) for a gaseous fuel injection system includes a first chamber (15b) connectable with a source of gaseous fuel at a required inlet pressure, a second chamber (15c) connectable with an engine or other apparatus so as to supply gaseous fuel thereto and further connected with said first chamber (15b) through a controllable valving means. A flow control means (25) has an inlet connectable with the first chamber (15b) and an outlet connectable with an orifice (25b) for controlling the pressure at the outlet of the flow control means (25) to be no more than 53% of the inlet pressure.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: October 30, 2007
    Inventor: John Blakemore Harrison