ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,644, issued on July 29, was assigned to PAX LABS INC. (San Francisco).

"Vaporizer device with responsive inhalation detection" was invented by Alexander Fishwick (Monte Sereno, Calif.), Amanda Adams (San Francisco), Eric Amorde (Oakland, Calif.) and Matthew Czapar (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the current subject matter are directed to transitioning a vaporizer device between different modes of operation including an active mode, a standby mode, and a deep standby mode. The vaporizer device may include a pressure sensor to measure a first pressure in an air flow path, and an ambient pressure sensor to measu...