ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,181, issued on March 18, was assigned to CACTUS WELLHEAD LLC (Houston).

"System for fluid transfer" was invented by Chad Babineaux (Lafayette, La.), Scott Bender (Houston), Steven Bender (Houston), Jerod Bushman (Houston), Jason Cade (College Station, Texas) and Brenton J. Greska (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid transfer system includes a valve tree, the valve tree having a master valve having a flow axis and a header. The fluid transfer system further includes a coupler disposed between, connected to, and in fluid communication with, the valve tree and the header. The coupler has a fixed length and includes a cou...