ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,092, issued on July 21, was assigned to TRC SERVICES INC. (The Woodlands, Texas).
"Gas lift valve remanufacturing process and apparatus produced thereby" was invented by Russell L. Ritchie (Adkins, Texas), Stanley Wayne Sweet (New Braunfels, Texas), Dustin Wayne Lott (Katy, Texas) and Gustavo Pertuz (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Used gas lift valves having a used bellows assembly are remanufactured. Separable components are disassembled, and the used bellows assembly is removed from a dome housing by de-brazing the used bellows at a brazed joint from a mating surface of the dome housing. A replacement bellows is then af...