Patents by Inventor Annabel Clifton

Annabel Clifton 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).

  • Publication number: 20030225533
    Abstract: A method of detecting a boundary of fluid flowing through a pipe, the method comprising receiving a time-varying signal corresponding to changes in content flowing through the pipe analysing said signal in the time domain, said analysing including processing said signal to produce a processed signal, searching said processed signal for a predetermined feature so as to identify a location of said boundary if said predetermined feature is found.
    Type: Application
    Filed: June 3, 2002
    Publication date: December 4, 2003
    Inventors: Reginald Alfred King, Richard Donald Hughes, Graydon Mark Rodwell, Annabel Clifton