Patents by Inventor Barry G. Ferguson

Barry G. Ferguson 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).

  • Patent number: 4590347
    Abstract: An induced current heating probe is of thimble form and has an outer conducting sheath (30) and a water flooded flux-generating unit formed from a stack of ferrite rings (10) coaxially disposed in the sheath. The energizing coil (14) is made of solid wire which connects at one end (16) with a coaxial water current tube (15) and at the other end (17) with the sheath. The stack of ferrite rings (10) may include non-magnetic insulating rings (11) which help to shape the flux.
    Type: Grant
    Filed: November 4, 1983
    Date of Patent: May 20, 1986
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Gordon Thatcher, Barry G. Ferguson, John P. Winstanley