With the analysis among 251 patents, we discovered top 198 key players by total patent application. PetroChina Co., Ltd., Sintokogio Ltd., Lafarge SA are dominant in this area. They take 7.17% of the total patent filing.
Beijing Shi, China
Patent: 8
Aichi-ken, Japan
Patent: 6
New Mexico, France
Patent: 4
Maschinenfabrik Gustav Eirich GmbH & Co. KG
Jiangsu Sheng, China
Patent: 4
CCCC Fourth Aviation Engineering Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 4
Tianjin Luhai Petroleum Equipment System Engineering Co., Ltd.
Tianjin Shi, China
Patent: 4
Beijing Chuangyuan Chengxin Automation Control Equipment Co., Ltd.
Beijing Shi, China
Patent: 4
Guangzhou Harbor Engineering Quality Inspection Co., Ltd.
Guangdong Sheng, China
Patent: 4
Kaiyuan Chemical Machinery Container Co., Ltd.
Liaoning Sheng, China
Patent: 4
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With the analysis among related 280 patents applied in the last 5 years. We discover 215 most active companies in this area. The fast-growing Chang'an University, Hohai University, Zhejiang Institute of Technology take 6.43% of patent filing during this period.
Shaanxi Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Zhejiang Institute of Technology
Zhejiang Sheng, China
Patent: 5
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 4
Guangzhou Harbor Engineering Quality Inspection Co., Ltd.
Guangdong Sheng, China
Patent: 4
Tianjin Institute of Water Transport Engineering, Ministry of Transport
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Patent: 4
Zhejiang Sheng, China
Patent: 4
Hainan Sheng, China
Patent: 4
CCCC Fourth Aviation Engineering Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 4
With the analysis among related 280 patents in last 5 years, we discover 187 new entrants. Zhejiang Institute of Technology, Huazhong University of Science & Technology, Hainan University are the most active new entrants in this area.
Zhejiang Institute of Technology
Zhejiang Sheng, China
Patent: 5
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 5
Hainan Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Guangzhou Harbor Engineering Quality Inspection Co., Ltd.
Guangdong Sheng, China
Patent: 4
CCCC Fourth Aviation Engineering Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 4
Tianjin Institute of Water Transport Engineering, Ministry of Transport
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Patent: 4
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 3
Changzhou Red Orange Colored Sand Co., Ltd.
Jiangsu Sheng, China
Patent: 3
CCCC Fourth Harbor Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 3
With the analysis among 270 patents, we discovered top 75 universities and scientific research institutions by total patent application. Hohai University, Harbin University of Science & Technology, Chang'an University are dominant in this area. They take 14.44% of the total patent filing.
Jiangsu Sheng, China
Patent: 16
Harbin University of Science & Technology
Heilongjiang Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 5
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 4