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.
Dafeng Longcheng Foundry Machinery Co. Ltd.
Jiangsu Sheng, China
Patent: 25
Colorado, United States
Patent: 16
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 8
Dynacorp Fabricators, Inc.
Pennsylvania, United States
Patent: 7
Guangdong Xinye Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 7
Chengdu Gaofeng Petroleum Machinery Co., Ltd.
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 Xinye Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 7
Dynacorp Fabricators, Inc.
Sand Separation Technologies, Inc.
Yancheng Jingu Machinery Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Yanchi Yijian Biological Engineering Co., Ltd.
Ningxia Huizi Zizhiqu, China
Patent: 4
China Harbour Engineering Co., Ltd.
Beijing Shi, China
Patent: 4
Guangzhou Zhentai Machinery Manufacturing Co., Ltd.
Guangdong Sheng, China
Patent: 4
Hubei Heli Jiusheng Concrete Co., Ltd.
Hubei Sheng, China
Patent: 3
China Railway Science and Industry Group Equipment Engineering Co., Ltd.
Hubei Sheng, China
Patent: 3
Zhejiang Juntai Ecological Environmental Protection Technology Co., Ltd.
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 Xinye Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 7
Sand Separation Technologies, Inc.
Yancheng Jingu Machinery Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Yanchi Yijian Biological Engineering Co., Ltd.
Ningxia Huizi Zizhiqu, China
Patent: 4
China Harbour Engineering Co., Ltd.
Beijing Shi, China
Patent: 4
Guangzhou Zhentai Machinery Manufacturing Co., Ltd.
Guangdong Sheng, China
Patent: 4
Hubei Heli Jiusheng Concrete Co., Ltd.
Hubei Sheng, China
Patent: 3
China Railway Science and Industry Group Equipment Engineering Co., Ltd.
Hubei Sheng, China
Patent: 3
Zhejiang Juntai Ecological Environmental Protection Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 3
Shenzhen Bridge Maintenance Equipment Technology Co., Ltd.
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
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 3
Jilin Sheng, China
Patent: 2
Xi'an Jiaotong University
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
Southwest Petroleum University
Sichuan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2