ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,716, issued on Sept. 8, was assigned to KOMATSU LTD. (Tokyo).
"Electric excavator" was invented by Masataka Soga (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A revolution frame includes a bottom plate and a main beam that rises upward from the bottom plate. The main beam extends in a forward/rearward direction in a central portion in a lateral direction of the revolution frame. A battery attachment support body is arranged on the main beam of the revolution frame."
The patent was filed on Dec. 20, 2022, under Application No. 18/720,802.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/net...