ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,477, issued on April 8, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Needle for a choke valve assembly" was invented by Frederic Pauchet (Clamart, France), Edmund Peter McHugh (Longford, Ireland), J. Daniel Belnap (Lindon, Utah), Cheng Peng (Orem, Utah), David Wahlquist (Spanish Fork, Utah), Lynn Belnap (Spanish Fork, Utah), Ivan Tapia (Provo, Utah), Scott S. Dahlgren (Alpine, Utah) and Neil Cannon (Woodland Hills, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "A needle for a choke valve assembly includes a base portion formed from a first non-superhard material and a tip portion formed from a superhard material. The need...