ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,971, issued on May 26, was assigned to STEWART & STEVENSON LLC (Houston).
"Air intake heater treatment and ventilation" was invented by Kevin Hufnagel (Oklahoma City) and Jeff Rother (Oklahoma City).
According to the abstract* released by the U.S. Patent & Trademark Office: "A generator system comprising a generator and an engine positioned within an enclosure, the engine having an engine coolant system and an air intake; a fan positioned to force air through the heater core; a low temperature fluid circuit comprising a heater core positioned within the enclosure, a first coolant heater in fluid communication with the heater core, and a first pump in fluid communication with the f...