ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,308, issued on May 27, was assigned to Copeland LP (Sidney, Ohio).
"Particulate-matter-size-based fan control system" was invented by Hung M. Pham (Dayton, Ohio), Stuart K. Morgan (West Chester, Ohio) and Brian R. Butler (Centerville, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control system for a mitigation device includes a processor and a computer-readable medium that includes instructions executable by the processor. The instructions include monitoring a first measured particulate matter (PM) level of a conditioned space. The first measured PM level includes PM having a first range of sizes. The instructions further include monitoring...