Patents by Inventor Alisdair Quentin Clark

Alisdair Quentin Clark 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).

  • Fuel composition
    Publication number: 20020045785
    Abstract: An unleaded gasoline comprising a base blend composition having a MON of at least 80 e.g.
    Type: Application
    Filed: March 2, 2001
    Publication date: April 18, 2002
    Inventors: Roberto Vittorio Bazzani, Paul James Bennett, Graham Butler, Alisdair Quentin Clark, John Hardy Cooper
  • Testing device and method of use
    Patent number: 6341629
    Abstract: Method for controlling movement of a liquid from a first location to a second location via a dispenser for the liquid located in a liquid line between the first and second location. The dispenser includes a nozzle, an internal liquid conduit, a valve, a body portion, a hollow annular collar and a first detector. The first detector is located in the collar which is positioned around the nozzle or between the nozzle and the body portion such that the first detector is in vapor communication with a vapor space above the second location. The vapor from the vapor space is analyzed by withdrawing the vapor past the first detector and using the results of the analysis to control the operation of the valve.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: January 29, 2002
    Assignee: BP Oil International Limited
    Inventors: Alisdair Quentin Clark, Harry Read