With the analysis among 861 patents, we discovered top 483 key players by total patent application. Siemens AG, Engineering Productions (Pudsey) Ltd. Pension Scheme, PetroChina Co., Ltd. are dominant in this area. They take 13.12% of the total patent filing.
Bayern, Germany
Patent: 46
Beijing Shi, China
Patent: 29
Baden-Württemberg, Germany
Patent: 20
Heilongjiang Sheng, China
Patent: 15
Beijing Shi, China
Patent: 10
Texas, United States
Patent: 8
Beijing Shi, China
Patent: 7
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 244 patents applied in the last 5 years. We discover 182 most active companies in this area. The fast-growing PetroChina Co., Ltd., Daqing Oilfield Co., Ltd., Cnpc Bohai Equipment Manufacturing Co. Ltd. take 9.43% of patent filing during this period.
Beijing Shi, China
Patent: 11
Heilongjiang Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 6
Hubei Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
With the analysis among related 244 patents in last 5 years, we discover 166 new entrants. Cnpc Bohai Equipment Manufacturing Co. Ltd., Shandong Luneng Guangda Steel Structure Co. Ltd., Beijing Long March Tianmin Hi-Tech Co. Ltd. are the most active new entrants in this area.
Tianjin Shi, China
Patent: 6
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among 177 patents, we discovered top 74 universities and scientific research institutions by total patent application. Yangtze University, Southwest Petroleum University, Jiangnan University are dominant in this area. They take 9.60% of the total patent filing.
Hubei Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Hunan Sheng, China
Patent: 2
Niedersachsen, Germany
Patent: 2
Missouri, United States
Patent: 2
Zhejiang Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2