With the analysis among 325 patents, we discovered top 261 key players by total patent application. China Shenhua Energy Co., Ltd., Shanghai Huapeng Explosion-Proof Technology Co. Ltd., Jinan Rail Transit Group Co. Ltd. are dominant in this area. They take 6.15% of the total patent filing.
China Shenhua Energy Co., Ltd.
Beijing Shi, China
Patent: 7
Shanghai Huapeng Explosion-Proof Technology Co. Ltd.
Shanghai Shi, China
Patent: 6
Jinan Rail Transit Group Co. Ltd.
Shandong Sheng, China
Patent: 5
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 3
China Railway Construction Group Co., Ltd.
Beijing Shi, China
Patent: 3
Shenhua Shendong Coal Group Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 3
Hebei Coal Research Institute Co Ltd.
Hebei Sheng, China
Patent: 3
Xian Research Inst of China Coal Tech & Eng Group Corp.
Shaanxi Sheng, China
Patent: 3
China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
No data, please try another search term
With the analysis among related 250 patents applied in the last 5 years. We discover 175 most active companies in this area. The fast-growing China Institute of Water Resources and Hydropower Research, China University of Mining & Technology, China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd. take 5.20% of patent filing during this period.
China Institute of Water Resources and Hydropower Research
undefined undefined
Patent: 6
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 4
China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences
undefined undefined
Patent: 3
General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources
undefined undefined
Patent: 3
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 3
Xian Research Inst of China Coal Tech & Eng Group Corp.
Shaanxi Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Institute of Karst Geology, Chinese Academy of Geological Sciences
undefined undefined
Patent: 3
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 3
With the analysis among related 250 patents in last 5 years, we discover 151 new entrants. China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd., General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources, Xian Research Inst of China Coal Tech & Eng Group Corp. are the most active new entrants in this area.
China Railway Eighteenth Bureau Group Municipal Engineering Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources
undefined undefined
Patent: 3
Xian Research Inst of China Coal Tech & Eng Group Corp.
Shaanxi Sheng, China
Patent: 3
Institute of Karst Geology, Chinese Academy of Geological Sciences
undefined undefined
Patent: 3
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 3
Beijing Normal University
Beijing Shi, China
Patent: 3
Chongqing Geological and Mineral Exploration and Development Bureau 208 Hydrogeological Engineering Geological Team
Chongqing Shi, China
Patent: 2
Yiwu Yuande Import & Export Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Inner Mongolia Juneng Energy Saving Service Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 2
Chongqing Shi, China
Patent: 2
With the analysis among 172 patents, we discovered top 52 universities and scientific research institutions by total patent application. China University of Mining & Technology (Beijing), Tianjin University, McGill University are dominant in this area. They take 16.86% of the total patent filing.
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 10
Tianjin Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 4
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 4
Beijing Normal University
Beijing Shi, China
Patent: 3
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 3
Tianjin Chengjian University
Tianjin Shi, China
Patent: 3