Patents by Inventor Ian Peter Currie

Ian Peter Currie 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).

  • Method of damping surges in a liquid system
    Patent number: 6742534
    Abstract: A method of damping surges in a liquid system includes providing in the system, a surge vessel in which there is trapped air or other gas, the surge vessel being positioned so that in the event of a surge in the system (10), the volume of trapped air or other gas within the surge vessel changes to damp the surge, the method including maintaining generally constant the mass of the trapped air or other gas in the surge vessel is maintained generally constant, irrespective of the liquid level within the surge vessel.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: June 1, 2004
    Inventors: Richard John Hogsden, Simon John Williams, Ian Peter Currie
  • Method of damping surges in a liquid system
    Publication number: 20030221722
    Abstract: A method of damping surges in a liquid system includes providing in the system, a surge vessel in which there is trapped air or other gas, the surge vessel being positioned so that in the event of a surge in the system (10), the volume of trapped air or other gas within the surge vessel changes to damp the surge, the method including maintaining generally constant the mass of the trapped air or other gas in the surge vessel is maintained generally constant, irrespective of the liquid level within the surge vessel.
    Type: Application
    Filed: May 30, 2002
    Publication date: December 4, 2003
    Inventors: Richard John Hogsden, Simon John Williams, Ian Peter Currie