With the analysis among 189 patents, we discovered top 55 key players by total patent application. BP Plc, Western Atlas International, Inc., Metryx Ltd. are dominant in this area. They take 21.69% of the total patent filing.
Guangdong Sheng, China
Patent: 16
BRISTOL, United Kingdom
Patent: 9
Zuid-Holland, Netherlands
Patent: 7
Texas, United States
Patent: 6
Illinois, United States
Patent: 5
Iowa, United States
Patent: 5
New Jersey, United States
Patent: 5
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With the analysis among related 19 patents applied in the last 5 years. We discover 15 most active companies in this area. The fast-growing Hydrogeological and Environmental Geological Survey Center of China Geological Survey, Nanjing University of Technology, Tongji University take 15.79% of patent filing during this period.
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Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
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Patent: 1
Hunan Sheng, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among related 19 patents in last 5 years, we discover 13 new entrants. Hydrogeological and Environmental Geological Survey Center of China Geological Survey, Tongji University, Xi'an Jiaotong University are the most active new entrants in this area.
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Patent: 1
Shanghai Shi, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
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Patent: 1
Hunan Sheng, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
With the analysis among 47 patents, we discovered top 19 universities and scientific research institutions by total patent application. Christian Medical College, Southwest Petroleum University, Nanjing University of Technology are dominant in this area. They take 21.28% of the total patent filing.
Sichuan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1