ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,159, issued on May 20.
"Methods for measuring fugitive emission rates" was invented by Colin Irvin Wong (Burnaby, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of determining a flow rate of airborne matter of a plume from an emission source through a notional surface. The method comprises obtaining a plurality of mass ratio measurements along a sampling surface and determining a mass flow rate of the airborne matter of the plume through at least a portion of the notional surface based at least in part on the plurality of mass ratio measurements, wherein the sampling surface and the notional surface are non-parallel."
The patent was...