ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,839, issued on Dec. 9, was assigned to NELUMBO INC. (Hayward, Calif.).
"Temperature and relative humidity controller" was invented by Lance R. Brockway (Hayward, Calif.), David C. Walther (Hayward, Calif.) and James Ma (Hayward, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Control systems are provided that provide thermodynamically decoupled control of temperature and relative humidity and/or reduce or prevent frost formation or remove previously-formed frost. The control systems herein may be included as a component of a heating, ventilation, air conditioning, and refrigeration system that includes a heat exchanger."
The patent was filed o...