US Patent Issued to Shibaura Machine on Jan. 13 for "Flow rate adjustment valve, pump unit, and surface treatment device" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,914, issued on Jan. 13, was assigned to Shibaura Machine Co. Ltd. (Chiyoda-ku, Japan).

"Flow rate adjustment valve, pump unit, and surface treatment device" was invented by Yoshiaki Kurihara (Sunto-gun, Japan), Takeshi Namba (Sunto-gun, Japan), Satoshi Fukuyama (Numazu, Japan) and Koichi Nose (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flow rate adjustment valve includes: a flow path portion which has one end at which an opening is formed, and in which a fluid flows; a lifting valve which is configured to close the opening by covering an entire region of the opening, open the opening by being separated from the opening in an openi...