Patents by Inventor Alistair Vickers

Alistair Vickers 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).

  • Electromagnetic flowmeter
    Publication number: 20030029250
    Abstract: In an AC flowmeter, a method of obtaining phase sensitive measurement is disclosed, which can dramatically reduce the effect of unwanted signals. According to the invention the output of the electromagnetic flowmeter (which flowmeter is arranged to be excited at an excitation frequency selected from a range of possible excitation frequencies) is corrected.
    Type: Application
    Filed: July 1, 2002
    Publication date: February 13, 2003
    Inventors: Ray Keech, Alistair Vickers