Patents by Inventor Samuel R. Killen

Samuel R. Killen 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).

  • Test counter
    Patent number: 4481649
    Abstract: A test counter for testing demand recorders installed at remote field locations. A predetermined interval of time is established and pulses generated by an attached demand recorder are automatically counted for that interval of time. The counter includes multiple counting channels and an additional channel providing a visual indication of the presence of pulses at an input of that additional channel.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: November 6, 1984
    Inventor: Samuel R. Killen