Patents by Inventor James R. Bailey, Jr.

James R. Bailey, Jr. 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).

  • Pump control system, level sensor switch and switch housing
    Patent number: 4972709
    Abstract: A control system for a pump includes a level sensor switch that is positioned along a production string in an oil well shaft (S). The level sensor switch is protected from damage by inner and outer housings. A control circuit responsive to the level sensor switch is also provided. The control circuit includes an adjustable timer that is located at ground level remote from the harsh environment of the oil well shaft (S). The timer controls the operation time of the pump during each pumping cycle.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: November 27, 1990
    Inventors: James R. Bailey, Jr., Jean D. Ashcraft
  • Pump control system, level sensor switch and switch housing
    Patent number: 4943210
    Abstract: A control system for a pump includes a level sensor switch that is positioned along a production string in an oil well shaft. The level sensor switch is protected from damage by inner and outer housings. A control circuit responsive to the level sensor switch is also provided. The control circuit includes an adjustable timer that is located at ground level remote from the harsh environment of the oil well shaft. The timer controls the operation time of the pump during each pumping cycle.
    Type: Grant
    Filed: February 7, 1989
    Date of Patent: July 24, 1990
    Inventors: James R. Bailey, Jr., Jean D. Ashcraft