With the analysis among 971 patents, we discovered top 478 key players by total patent application. Dafeng Longcheng Foundry Machinery Co. Ltd., Micro Motion, Inc., PetroChina Co., Ltd. are dominant in this area. They take 5.25% of the total patent filing.
Jiangsu Sheng, China
Patent: 25
Colorado, United States
Patent: 16
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 8
Pennsylvania, United States
Patent: 7
Guangdong Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
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With the analysis among related 403 patents applied in the last 5 years. We discover 297 most active companies in this area. The fast-growing Guangdong Xinye Environmental Protection Technology Co., Ltd., Dynacorp Fabricators, Inc., Sand Separation Technologies, Inc. take 4.22% of patent filing during this period.
Guangdong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 4
Ningxia Huizi Zizhiqu, China
Patent: 4
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among related 403 patents in last 5 years, we discover 281 new entrants. Guangdong Xinye Environmental Protection Technology Co., Ltd., Sand Separation Technologies, Inc., Yancheng Jingu Machinery Co., Ltd. are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 4
Ningxia Huizi Zizhiqu, China
Patent: 4
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
With the analysis among 77 patents, we discovered top 37 universities and scientific research institutions by total patent application. Hohai University, China University of Mining & Technology, Jilin University are dominant in this area. They take 14.29% of the total patent filing.
Jiangsu Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Jilin Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
North China University of Science & Technology
Hebei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2