ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,848, issued on May 12, was assigned to FH ALLIANCE INC. (Kasugai, Japan).
"Conditioning ventilation system" was invented by Kazuro Hiroishi (Kasugai, Japan) and Mitsunori Matsubara (Kasugai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a conditioning ventilation system 1. In the conditioning ventilation system 1, each of a plurality of rooms in a building is provided with an air-intake portion 16 and an exhaust means 19, the air-intake portions 16 are provided with a plurality of air blowing sections 13 which send wind through a plurality of ducts 17, a return air path which joins up from a plurality of the exha...