ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,509, issued on Sept. 29, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"System and methods of water electrolysis" was invented by Wenlin Zhang (Menlo Park, Calif.), Rafael Fejervary (Houston), Alan Nelson (Houston) and Eric Lavrut (Clamart, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure generally provides systems and methods of water electrolysis. The methods include providing a first power between a first terminal plate of a first section and a second segment plate of a second section. The first section is defined by the first terminal plate and a first segment plate. The second section is defined...