Patents by Inventor Tyler Haarstad

Tyler Haarstad 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: 9938804
    Abstract: A pump jack assembly has a horsehead mounted to rock on a frame; a polished rod connected to the horsehead; and a hydraulic motor connected to rock the horsehead. The pump jack assembly may have a crank assembly connected between the hydraulic motor and the horsehead, the crank assembly having one or more counterweights; a hydraulic pump; a fluid supply line and a fluid return line between the hydraulic pump and hydraulic motor; and a hydraulic brake on the fluid return line. A method of providing a pump jack assembly includes replacing a non hydraulic pump jack motor, connected to rock the horsehead, with a hydraulic motor.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: April 10, 2018
    Assignee: G.E.T. Hydraulics, LTD
    Inventors: Everett Allan Haarstad, Tyler Haarstad, Gordon Ray Abram
  • Publication number: 20150000930
    Abstract: A pump jack assembly comprising: a horsehead mounted to rock on a frame; a polished rod connected to the horsehead; and a hydraulic motor connected to rock the horsehead.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 1, 2015
    Inventors: Everett Allan Haarstad, Tyler Haarstad, Gordon Ray Abram