ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,165, issued on Feb. 24, was assigned to SPM Oil & Gas Inc. (Fort Worth, Texas).
"Pump assembly using a shell bearing with a partial groove" was invented by John S. Marquez (Saginaw, Texas), Alireza Atabaie (Keller, Texas), John Mccrady (Burleson, Texas), Chandu Kumar (Fort Worth, Texas) and Chih Hau Chen (Plano, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump assembly may include a bearing housing having a bore. The pump assembly may include a connecting rod connected to the bearing housing at a first end of the connecting rod and connected to a crosshead at a second end of the connecting rod via a wrist pin. The connecting rod may inclu...