中煤科工取得液压支架支护质量监测方法专利

Group 1 - The State Intellectual Property Office of China has granted a patent to China Coal Technology & Engineering Group Mining Research Institute Co., Ltd. for a method, device, and system for monitoring the quality of hydraulic support, with the authorization announcement number CN116698463B and application date of May 2023 [1] - China Coal Technology & Engineering Group Mining Research Institute Co., Ltd. was established in 2020, located in Beijing, with a registered capital of 200 million RMB. The company has invested in 4 enterprises, participated in 1,028 bidding projects, and holds 1,852 patent records, along with 10 administrative licenses [1] - Kailuan Group Co., Ltd. was founded in 1980, located in Tangshan, primarily engaged in coal mining and washing. The company has a registered capital of approximately 1,370.76 million RMB, has invested in 55 enterprises, participated in 2,953 bidding projects, and holds 107 trademark records and 190 patent records, along with 60 administrative licenses [1] Group 2 - Ordos City Yingpanhao Coal Co., Ltd. was established in 2013, located in Ordos City, primarily engaged in coal mining and washing. The company has a registered capital of 300 million RMB, participated in 1,135 bidding projects, holds 61 patent records, and has 48 administrative licenses [2]