ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,244, issued on July 21, was assigned to Kubota Corp. (Osaka, Japan).
"Pipe-joining attachment for work machine, work machine provided with same, and pipe-joining method" was invented by Yasushi Idomoto (Hyogo, Japan), Hayato Kageyama (Hyogo, Japan), Yasuhiro Miyazaki (Osaka, Japan), Yusuke Takagi (Osaka, Japan), Keiichiro Yamamoto (Osaka, Japan) and Masato Takenonaka (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe-joining attachment of a work machine includes an arm connecting unit connected to an arm of the work machine; a grip unit configured to grip a pipe; and a to-be-joined pipe contact unit located with respect to the grip ...