ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,414, issued on May 26, was assigned to Pigeon Corp. (Tokyo).

"Valve member and milking machine" was invented by Tatsuyuki Ishikawa (Chuo-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a valve member and a milking machine that are easy to wash. The valve member enables an internal passage to temporarily retain milk when the milking machine is in a negative pressure state, and enables the milk retained in the internal passage to be discharged when the milking machine is in a normal pressure state. The valve member is provided with a cap that is attached to the milking machine. The cap is provided with a partition wall that separa...