Patents by Inventor Clark Allen Smith, deceased

Clark Allen Smith, deceased 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).

  • Downhole pump monitoring system
    Patent number: 5654504
    Abstract: The present invention relates to a downhole hydraulic pump monitoring system and more specifically relates to a system which detects and/or anticipates pump malfunctions by processing readings taken by a pressure transmitter on the operating pressure and the stroke rate of the downhole hydraulic pump where decisions are reached regarding positive pump operation or inefficient pump malfunction based upon comparisons between the instantaneous pressure readings of the pressure transmitter and a time-averaged operating pressure of the power fluid taken over a multitude of pump strokes.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: August 5, 1997
    Inventors: Clark Allen Smith, deceased, by Rhoda Sue Smith, legal representative