GENEVA, March 22 -- CNOOC GAS & POWER GROUP (Building C, Yard 6, Taiyanggong South StreetChaoyang District, Beijing 100028), 中海石油气电集团有限责任公司 (中国北京市朝阳区太阳宫南街6号院中海油大厦C座) filed a patent application (PCT/CN2025/114554) for "HEAD PLATE FOR GAS STORAGE TANK AND GAS STORAGE TANK" on Aug 14, 2025. With publication no. WO/2026/056614, the details related to the patent application was published on Mar 19, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) sys...