Patents by Inventor Geoffrey A. Hewitt

Geoffrey A. Hewitt 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).

  • Multiphase flowmeter
    Publication number: 20070095136
    Abstract: Apparatus and method for measuring one or more fluid flow rates in a gas and liquid multiphase system, in which the multiphase flow is separated in-line into, gas and liquid flows, measurements on the liquid and/or gas streams are taken in the region immediately following the separation, the flows are recombined to form a substantially homogenous mixture and further measurements on the mixture are taken.
    Type: Application
    Filed: May 28, 2004
    Publication date: May 3, 2007
    Inventors: Geoffrey Hewitt, Gioia Falcone
  • Device for controlling the inflation of a balloon catheter
    Patent number: 5364358
    Abstract: A device for controlling the inflation of a balloon catheter includes a variable volume chamber and an actuator to expel air from the chamber. Movement of the actuator is inhibited by a releasable latch to prevent unintentional inflation of the catheter. An adjustable abutment limits movement of the actuator after the latch is released to prevent overinflation of the balloon.
    Type: Grant
    Filed: November 5, 1991
    Date of Patent: November 15, 1994
    Assignee: Cardio-Search Limited
    Inventors: Geoffrey A. Hewitt, Andrew K. Rath, Harvey K. McQuarrie