With the analysis among 629 patents, we discovered top 403 key players by total patent application. China National Petroleum Corp., Chengdu Feichuang Technology Co., Ltd., Fang Ming Environmental Protection Technology (Zhangzhou) Co., Ltd. are dominant in this area. They take 5.72% of the total patent filing.
Beijing Shi, China
Patent: 14
Sichuan Sheng, China
Patent: 14
Fujian Sheng, China
Patent: 8
Beijing Shi, China
Patent: 7
New Jersey, United States
Patent: 7
Beijing Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Zhejiang Sheng, China
Patent: 6
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With the analysis among related 703 patents applied in the last 5 years. We discover 448 most active companies in this area. The fast-growing Chengdu Feichuang Technology Co., Ltd., China National Petroleum Corp., Elbo Industrial Equipment (Beijing) Co., Ltd. take 3.98% of patent filing during this period.
Sichuan Sheng, China
Patent: 11
Beijing Shi, China
Patent: 10
Beijing Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Fujian Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
With the analysis among related 703 patents in last 5 years, we discover 425 new entrants. Elbo Industrial Equipment (Beijing) Co., Ltd., Jiangsu University of Science & Technology, China University of Petroleum (East China) are the most active new entrants in this area.
Beijing Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Beijing Huashun Weiye Environmental Protection Technology Co., Ltd.
Beijing Shi, China
Patent: 5
Liaoning Sheng, China
Patent: 5
With the analysis among 181 patents, we discovered top 86 universities and scientific research institutions by total patent application. Jiangsu University of Science & Technology, China University of Petroleum (East China), Wuhan University are dominant in this area. They take 9.94% of the total patent filing.
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 4
Henan Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3