US Patent Issued to GRANT PRIDECO on Jan. 20 for "Pig drive, pig drive system and method of using same" (Norwegian Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,441, issued on Jan. 20, was assigned to GRANT PRIDECO INC. (Wilmington, Del.).

"Pig drive, pig drive system and method of using same" was invented by Rune Hostmark (Oslo, Norway), Christian Holberg (Oslo, Norway) and Morten Martinsen (Sofiemyr, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 ...