中铁十一局取得预埋注浆管施工工艺专利

Group 1 - The State Intellectual Property Office of China has granted a patent for a construction process involving embedded grouting pipes to China Railway 11th Bureau Group Co., Ltd., China Railway 11th Bureau Group Urban Rail Engineering Co., Ltd., and China Railway 11th Bureau Wuhan Heavy Equipment Co., Ltd. The patent authorization announcement number is CN118979649B, with an application date of August 2024 [1] - China Railway 11th Bureau Group Co., Ltd. was established in 2001 and is based in Wuhan. It primarily engages in civil engineering construction, with a registered capital of 6162.382 million RMB. The company has invested in 166 enterprises and participated in 5000 bidding projects, holding 5 trademark records and 4198 patent records, along with 2645 administrative licenses [1] - China Railway 11th Bureau Group Urban Rail Engineering Co., Ltd. was founded in 2007 and is also located in Wuhan, focusing on civil engineering construction. It has a registered capital of 1010 million RMB, invested in 3 enterprises, participated in 5000 bidding projects, holds 649 patent records, and has 95 administrative licenses [1] Group 2 - China Railway 11th Bureau Wuhan Heavy Equipment Co., Ltd. was established in 2019, located in Wuhan, and specializes in manufacturing railway, shipbuilding, aerospace, and other transportation equipment. The company has a registered capital of 200 million RMB, participated in 94 bidding projects, holds 2 trademark records, 231 patent records, and has 17 administrative licenses [2]