Patents by Inventor Christopher C. Holt

Christopher C. Holt 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).

  • Eddy current testing system with scanning probe head having parallel and normal sensing coils
    Patent number: 5483160
    Abstract: An eddy current testing system consists of a multi-sensor probe, a computer and a special expansion card and software for data collection and analysis. The probe incorporates an excitation coil, and sensor coils; at least one sensor coil is a lateral current-normal coil and at least one is a current perturbation coil.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: January 9, 1996
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: James A. Gulliver, Christopher C. Holt, Kenneth D. Boness, Martin R. Anderson, deceased
  • Eddy current testing program with scanning probe head having parallel and normal sensing coils
    Patent number: 5019777
    Abstract: An eddy current testing system consists of a multi-sensor probe, a computer and a special expansion card and software for data collection and analysis. The probe incorporates an excitation coil, and sensor coils; at least one sensor coil is a lateral current-normal coil and at least one is a current perturbation coil.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: May 28, 1991
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: James A. Gulliver, Christopher C. Holt, Kenneth D. Boness, Martin R. Anderson, deceased