GENEVA, March 22 -- SANY HEAVY EQUIPMENT CO., LTD. (No. 25, Kaifa Avenue, Economic And Technological Development ZoneShenyang, Liaoning 110027), 三一重型装备有限公司 (中国辽宁省沈阳市经济技术开发区开发大路25号) filed a patent application (PCT/CN2025/096614) for "DRILLING AND EXPANDING HEADING MACHINE AND DRILLING AND EXPANDING ROCK BREAKING METHOD" on May 22, 2025. With publication no. WO/2026/056343, the details related to the patent application was published on Mar 19, 2026.
Notably, the patent application was submitted under the International Patent Classifica...