US Patent Issued to GEX on Sept. 9 for "Drainage device and drainage system" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,820, issued on Sept. 9, was assigned to GEX Corp. (Osaka, Japan).

"Drainage device and drainage system" was invented by Hiroyuki Nakayama (Osaka, Japan), Okihito Kosuge (Osaka, Japan) and Yoshiomi Hamano (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a drainage device with which the timing of drainage can be controlled; and a drainage system equipped with the same. The drainage device comprises a siphon mechanism that is provided inside a water tank and that constitutes a siphon pipe and a cylindrical part. One end side of the siphon pipe has a first opening part that is open at the top part thereof, and the other end sid...