Patents by Inventor Huey J. Perry

Huey J. Perry 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).

  • Roof pressure monitoring system
    Patent number: 4581712
    Abstract: A mine safety system and method of measuring and monitoring the mine roof support stress levels. The information which is continuously gathered is recorded and stored so that a substantially complete history of each selected roof bolt is available to mine management personnel so that a determination may be made as to what action should be taken to protect the safety of the people working in the mine.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: April 8, 1986
    Inventors: Huey J. Perry, Billy R. Bruce