Patents by Inventor Harry E. Jenks

Harry E. Jenks 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).

  • Patent number: 4279067
    Abstract: A well pump breaking tool for mounting on a well pump stand. The tool used in conjunction with a well pump stripping tool. The stripping tool cutting elongated slots along the length of a pump barrel surrounding a pump plunger. The well pump breaking tool is used when the pump plunger becomes seized inside the surrounding barrel due to contamination in the fluid which is pumped. The tool breaking the slotted barrel thereby releases the plunger so it may be reused.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: July 21, 1981
    Inventor: Harry E. Jenks
  • Patent number: 4216625
    Abstract: A well pump stripping tool designed for stripping bottom hole oil field plunger-type pumps. The well pump stripping tool used for removing a pump barrel surrounding a plunger when the plunger becomes inoperable due to contamination causing the seizing of the plunger to the inner diameter of the pump barrel. Also the well pump stripping tool may be used for removing well tubing surrounding the pump barrel when the tubing becomes stuck to the outer diameter of the pump barrel.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: August 12, 1980
    Inventor: Harry E. Jenks