GENEVA, June 30 -- CHINA RAILWAY CONSTRUCTION HEAVY INDUSTRY CO., LTD. (No. 88, Dongqi Road, Economic And Technological Development ZoneChangsha, Hunan 410199), 中国铁建重工集团股份有限公司 (中国湖南省长沙市经济技术开发区东七线88号) filed a patent application (PCT/CN2024/134368) for "REBOUND KINETIC ENERGY BUFFER DEVICE AND ROCK DRILL" on Nov 25, 2024. With publication no. WO/2025/130518, the details related to the patent application was published on Jun 26, 2025.
Notably, the patent application was submitted under the International Patent Class...