With the analysis among 2,175 patents, we discovered top 485 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch are dominant in this area. They take 24.41% of the total patent filing.
Beijing Shi, China
Patent: 298
Beijing Shi, China
Patent: 178
Shandong Sheng, China
Patent: 55
Heilongjiang Sheng, China
Patent: 48
Shandong Sheng, China
Patent: 39
Shandong Sheng, China
Patent: 38
Shandong Sheng, China
Patent: 31
Beijing Shi, China
Patent: 25
Hubei Sheng, China
Patent: 25
Xinjiang Uygur Zizhiqu, China
Patent: 20
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With the analysis among related 1,495 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing PetroChina Co., Ltd., China Petroleum & Chemical Corp., Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch take 15.59% of patent filing during this period.
Beijing Shi, China
Patent: 106
Beijing Shi, China
Patent: 97
Shandong Sheng, China
Patent: 30
Shandong Sheng, China
Patent: 21
Shandong Sheng, China
Patent: 21
Shandong Sheng, China
Patent: 19
Hubei Sheng, China
Patent: 16
Heilongjiang Sheng, China
Patent: 16
Sichuan Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 12
With the analysis among related 1,495 patents in last 5 years, we discover 443 new entrants. Yancheng Huayuan Petroleum Machinery Co., Ltd., Shandong Lixin Petroleum Machinery Manufacturing Co., Ltd., Shandong Sitong Petroleum Technology Development Co., Ltd. are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 12
Shandong Sheng, China
Patent: 10
Shandong Sheng, China
Patent: 6
Xinjiang Uygur Zizhiqu, China
Patent: 6
Shandong Yuanye New Material Technology Co., Ltd.
Shandong Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Xinjiang Kunlong Petroleum Equipment Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 4
With the analysis among 235 patents, we discovered top 38 universities and scientific research institutions by total patent application. Southwest Petroleum University, Northeast Petroleum University, China University of Petroleum (East China) are dominant in this area. They take 63.83% of the total patent filing.
Sichuan Sheng, China
Patent: 20
Heilongjiang Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 13
Shaanxi Sheng, China
Patent: 13
Beijing Shi, China
Patent: 5
Hubei Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Jilin Sheng, China
Patent: 2