US Patent Issued to Downing Wellhead Equipment on July 21 for "Vent sub for lubricator" (Oklahoma, Illinois Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,083, issued on July 21, was assigned to Downing Wellhead Equipment LLC (Oklahoma City).

"Vent sub for lubricator" was invented by Austin Johnson (Edmond, Okla.), Justin Lewis (Arcadia, Okla.), John Dyer (Norman, Okla.) and Jordan Kuehn (Forest Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, system, and method according to which one or more sensors are adapted to detect a presence or absence of fluid entering, or before entering, a lubricator, within the lubricator, exiting, or after exiting, the lubricator, or any combination thereof, while fluid flow is received into the lubricator, the lubricator being operably coupled to a...