ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,112, issued on Jan. 13, was assigned to BLACKLINE SAFETY CORP. (Canada).

"Apparatus and methods for aggregated gas detection" was invented by Justin Miller (Calgary, Canada), Lohrasp Seify (Calgary, Canada) and Michael Briscoe (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and Methods for Aggregated Leak Detection. The method includes determining the location of multiple portable personal gas detectors as each gas detector is moved and monitoring the gas level associated with each determined location. This information is then collated by associating the transmitted location and associated gas levels. Zones of concern assoc...