Patents by Inventor John W. H. Chivers

John W. H. Chivers 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).

  • Microwave interferometer
    Patent number: 4359683
    Abstract: A microwave interferometer comprising a source of microwave energy the output of which is equally divided between an antenna and a short circuit. The antenna is adapted for the transmission of microwave energy to and the subsequent reception of reflected microwave energy from an object in close proximity to the antenna. The phase difference between the microwave radiation reflected from the short circuit and the object is directly proportional to the distance between the antenna and the object.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: November 16, 1982
    Assignee: Rolls-Royce Limited
    Inventor: John W. H. Chivers