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.
China National Petroleum Corp.
Beijing Shi, China
Patent: 14
Chengdu Feichuang Technology Co., Ltd.
Sichuan Sheng, China
Patent: 14
Fang Ming Environmental Protection Technology (Zhangzhou) Co., Ltd.
Fujian Sheng, China
Patent: 8
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 7
New Jersey, United States
Patent: 7
Yissum Research Development Co. Ltd.
China National Petroleum Corporation Safety and Environmental Protection Technology Research Institute Co., Ltd.
Beijing Shi, China
Patent: 7
EASTERN MARINE EQUIPMENT CO.,LTD.
Jiangsu Sheng, China
Patent: 7
Elbo Industrial Equipment (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 7
SINOPEC Ningbo Engineering Co., Ltd.
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.
Chengdu Feichuang Technology Co., Ltd.
Sichuan Sheng, China
Patent: 11
China National Petroleum Corp.
Beijing Shi, China
Patent: 10
Elbo Industrial Equipment (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 7
Jiangsu University of Science & Technology
Jiangsu Sheng, China
Patent: 7
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 6
Changsha Industrial Research Institute Environmental Protection Co., Ltd.
Hunan Sheng, China
Patent: 6
SINOPEC Ningbo Engineering Co., Ltd.
Zhejiang Sheng, China
Patent: 6
Suzhou Wuwei Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Fang Ming Environmental Protection Technology (Zhangzhou) Co., Ltd.
Fujian Sheng, China
Patent: 6
Wuxi Aopus Environmental Protection Technology Co., Ltd.
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.
Elbo Industrial Equipment (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 7
Jiangsu University of Science & Technology
Jiangsu Sheng, China
Patent: 7
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 6
Changsha Industrial Research Institute Environmental Protection Co., Ltd.
Hunan Sheng, China
Patent: 6
SINOPEC Ningbo Engineering Co., Ltd.
Zhejiang Sheng, China
Patent: 6
Suzhou Wuwei Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Wuxi Aopus Environmental Protection Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Gradiant (Shanghai) Environmental Technology Co., Ltd.
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 University of Science & Technology
Jiangsu Sheng, China
Patent: 7
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 4
Guangdong University of Technology
Guangdong Sheng, China
Patent: 4
Kunming University of Science & Technology
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