Patents by Inventor James C. Couchman

James C. Couchman 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).

  • Fastener incorporating removable ultrasonic transducer
    Patent number: 4295377
    Abstract: A threaded fastener incorporating a removable ultrasonic transducer for obtaining preload measurements as well as other measurements for quality control inspection or for monitoring purposes. The transducer may be removed for repair or replacement purposes.
    Type: Grant
    Filed: July 12, 1979
    Date of Patent: October 20, 1981
    Assignee: General Dynamics Corporation
    Inventor: James C. Couchman
  • Fastener incorporating ultrasonic transducer
    Patent number: 4294122
    Abstract: A threaded bolt having an opening in either its head or its opposite end with an ultrasonic transducer fixedly secured therein for use in obtaining preload measurements as well as other measurements for quality control inspection or for monitoring purposes.
    Type: Grant
    Filed: July 12, 1979
    Date of Patent: October 13, 1981
    Assignee: General Dynamics Corporation
    Inventor: James C. Couchman
  • Hole tester using a permeable protective sleeve insertible in said hole and adapted to receive a relatively movable eddy current probe
    Patent number: 4142154
    Abstract: Inspection for hole quality in structures is enhanced by inserting a smooth, thin-wall hollow sleeve into a hole to be tested and moving an eddy current probe within the sleeve. Mechanization is improved by apparatus which inserts and holds the sleeve in the hole and has drive means operable so as independently to rotate the probe or move it linearly, or both, within the stationary sleeve.
    Type: Grant
    Filed: September 16, 1977
    Date of Patent: February 27, 1979
    Assignee: General Dynamics Corporation
    Inventor: James C. Couchman