With the analysis among 492 patents, we discovered top 233 key players by total patent application. Siemens AG, PetroChina Co., Ltd., Robert Bosch GmbH are dominant in this area. They take 18.50% of the total patent filing.
Bayern, Germany
Patent: 44
Beijing Shi, China
Patent: 30
Baden-Württemberg, Germany
Patent: 17
Heilongjiang Sheng, China
Patent: 16
Beijing Shi, China
Patent: 10
Texas, United States
Patent: 8
Nordrhein-Westfalen, Germany
Patent: 6
Tianjin Shi, China
Patent: 6
Beijing Shi, China
Patent: 5
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With the analysis among related 113 patents applied in the last 5 years. We discover 75 most active companies in this area. The fast-growing PetroChina Co., Ltd., Daqing Oilfield Co., Ltd., Cnpc Bohai Equipment Manufacturing Co. Ltd. take 22.12% of patent filing during this period.
Beijing Shi, China
Patent: 12
Heilongjiang Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 6
Hubei Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among related 113 patents in last 5 years, we discover 68 new entrants. Cnpc Bohai Equipment Manufacturing Co. Ltd., China National Petroleum Corp., Beijing Long March Tianmin Hi-Tech Co. Ltd. are the most active new entrants in this area.
Tianjin Shi, China
Patent: 6
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hua Ao Ke Ji ( Su Zhou ) Gu Fen You Xian Gong Si
Jiangsu Sheng, China
Patent: 2
With the analysis among 72 patents, we discovered top 30 universities and scientific research institutions by total patent application. Yangtze University, Southwest Petroleum University, China Petroleum University Beijing are dominant in this area. They take 19.44% of the total patent filing.
Hubei Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 1
Taiwan Province, China
Patent: 1
Missouri, United States
Patent: 1
Sichuan Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Belarusian National Technical University