ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,231, issued on March 4, was assigned to Yanmar Holdings Co. Ltd. (Osaka, Japan).
"Construction machine" was invented by Takahiro Harada (Fukuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lower travel body that supports an upper unit includes: a center frame that supports the upper unit; a side frame that is provided on both of right and left sides of the center frame to support a travel motor and constitutes a crawler-type travel section; and a plurality of hydraulic hoses, one end side of each of which is connected to a swivel joint provided to the center frame, and the other end side of each of which is connected to the travel motor....