Patents by Inventor James H. Kirkendall

James H. Kirkendall 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).

  • Fluid level detector and probe assembly
    Patent number: 4038650
    Abstract: A device for gauging level of a liquid within a container employing an elongated fibrous optic assembly which is connected at one end to a probe which is mounted within the container and at the other end to an electrical control device, the end of the fibrous optic assembly located within the probe being connected to a reflecting prism which functions to reflect light when not in contact with the liquid and does not reflect light when in contact with liquid, means located within the control device responsive to the reflection of light, said means being connected to an annunciator.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: July 26, 1977
    Inventors: Martin Evans, James H. Kirkendall