ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,309, issued on Feb. 10, was assigned to SPM Oil & Gas Inc. (Fort Worth, Texas).

"Stemmed orifice component" was invented by Albert Rubalcava (Lake Worth, Texas), Jeffrey Haiderer (Fort Worth, Texas), John S. Marquez (Saginaw, Texas) and Chandu Kumar (Fort Worth, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orifice component for a lubrication system may include an orifice head having an outlet orifice and one or more inlet passageways in fluid communication with the outlet orifice. The orifice component may include an orifice stem extending from the orifice head. The orifice stem may have a solid structure."

The patent was filed on June 2...