ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,358, issued on March 18, was assigned to ALTUM GREEN ENERGY Ltd. (St. Helier, Jersey).

"Apparatus, system and method for surveying predetermined characteristics within a body of fluid" was invented by Jarrod James Sinclair (Upwey, Australia) and Brent Thomas Papesh (Bronte, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an apparatus adapted to survey a predetermined characteristic within a body of fluid adjacent an axis that transects the body of fluid, the apparatus comprising: a survey member interposed between first and second position defining arrangements; and at least one instrumentality associated wit...