Patents by Inventor Rune HOSTMARK

Rune HOSTMARK 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).

  • Pig drive, pig drive system and method of using same
    Patent number: 12529441
    Abstract: A pig drive, a pig drive system for feeding a pig into a pig kicker section of a pipe, and a method for feeding the pig into the pig kicker section of the pipe are disclosed. The pig drive includes: a piston with a radial direction and an axial direction; a rod connected to the piston and extending in the axial direction of the piston, wherein the rod has a distal end adapted to interface the pig; a retainer slidably connected to the rod and adapted to interface a retainer abutment; and a biasing device arranged to bias the retainer towards the distal end of the rod.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: January 20, 2026
    Assignee: GRANT PRIDECO, INC.
    Inventors: Rune Hostmark, Christian Holberg, Morten Martinsen
  • PIG DRIVE, PIG DRIVE SYSTEM AND METHOD OF USING SAME
    Publication number: 20210172559
    Abstract: It is disclosed a pig drive and a pig drive system for feeding a pig into a pig kicker section of a pipe and a method for using same. Wherein the pig drive comprises: a piston with a radial direction and an axial direction; a rod connected to the piston and extending in the axial direction of the piston, wherein the rod has a distal end adapted to interface a pig; a retainer slidably connected to the rod and adapted to interface a retainer abutment; and a biasing device arranged to bias the retainer towards the distal end of the rod.
    Type: Application
    Filed: November 2, 2020
    Publication date: June 10, 2021
    Inventors: Rune HOSTMARK, Christian HOLBERG, Morten MARTINSEN