ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,642, issued on Feb. 24, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).

"Valve device" was invented by Yoshiteru Fujimoto (Kobe, Japan), Hiroshi Yamashita (Kobe, Japan), Masataka Higashiura (Kobe, Japan) and Tsutomu Tomita (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve device includes a first member having a recess section where a first opening of a first flow channel opens; a second member having a protruding section having an end part formed with a second opening of a second flow channel, the protruding section being inserted into the recess section such that the first opening is opposed to the second opening; a filter ha...