US Patent Issued to FH ALLIANCE on Oct. 27 for "Duct type air conditioning ventilation system" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,824, issued on Oct. 27, was assigned to FH ALLIANCE INC. (Kasugai, Japan).

"Duct type air 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: "[Object] It is an object of the present invention to provide a duct type air conditioning ventilation system in which harmful materials such as dust, mold and bad smell do not are not attached to deposited on the air conditioning duct, and maintenance such as exchanging and cleaning of the duct is unnecessary even if the system is continuously operated for a long term.[Solving Means] Air sucked ...