ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,109, issued on Dec. 2, was assigned to 2SG TECHNOLOGIES LLC (Poway, Calif.).

"Apparatus and method for determining fluid flow and alarming" was invented by Grant Biden Deane (Poway, Calif.) and Malcolm Dale Stokes (La Jolla, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid flow measuring/determining apparatus and method can measure fluid flow in a conduit. The apparatus can include a housing including a throughway configured to accept the conduit through which fluid flows, and a thermal source (either cooling or heating source) located adjacent the throughway. Sensors can be positioned adjacent the throughway and spaced symmetrically abo...