Patents by Inventor Craig G. Kirkpatrick

Craig G. Kirkpatrick 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).

  • Sensor for measuring dynamic variations in strain
    Patent number: 4275599
    Abstract: A sensor for measuring dynamic variations in axial strain in a cable wherein a light source is positioned intermediate a pair of light detectors. The sensor is capable of sensing the effects of dynamic axial tensile and compressive forces in the cable over a wide range of frequencies.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: June 30, 1981
    Assignee: Rockwell International Corporation
    Inventors: Charles W. Kohlenberger, Craig G. Kirkpatrick, John A. Estrada, George Q. Chang