Search results for “Tunnel plug” companies
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Key Players
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Innovation Intensity
With the analysis among 36 patents, we discovered top 25 key players by total patent application. Powerchina Chengdu Engineering Corp. Ltd., Powerchina Huadong Engineering Corp. Ltd., Powerchina Guiyang Engineering Corp. Ltd. are dominant in this area. They take 44.44% of the total patent filing.
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 5
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 5
Jinan Ludebei Vehicle Lamp Co. Ltd.
Shandong Sheng, China
Patent: 2
Sinohydro Bureau 9 Co., Ltd.
Guizhou Sheng, China
Patent: 2
Zhejiang East China Engineering Construction Management Co., Ltd.
Zhejiang Sheng, China
Patent: 2
China Gezhouba Group Co., Ltd.
Hubei Sheng, China
Patent: 1
Energy Capital Management AS
Oslo, Norway
Patent: 1
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
Startups & Unicorns
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Innovation Intensity
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Fast-Growing
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Innovation in recent 5 years
With the analysis among related 24 patents applied in the last 5 years. We discover 24 most active companies in this area. The fast-growing Powerchina Chengdu Engineering Corp. Ltd., Powerchina Huadong Engineering Corp. Ltd., Powerchina Guiyang Engineering Corp. Ltd. take 37.50% of patent filing during this period.
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 3
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 3
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 3
Zhejiang East China Engineering Construction Management Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Sinohydro Bureau 9 Co., Ltd.
Guizhou Sheng, China
Patent: 2
China Communications First Public Bureau Third Engineering Co.
Beijing Shi, China
Patent: 1
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
China Railway 16th Bureau Group First Engineering Co., Ltd.
Beijing Shi, China
Patent: 1
Fujian Ruiyi Machinery Manufacturing Co. Ltd.
Fujian Sheng, China
Patent: 1
New Entrants
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Innovation in recent 5 years
With the analysis among related 24 patents in last 5 years, we discover 21 new entrants. Zhejiang East China Engineering Construction Management Co., Ltd., Sinohydro Bureau 9 Co., Ltd., China Communications First Public Bureau Third Engineering Co. are the most active new entrants in this area.
Zhejiang East China Engineering Construction Management Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Sinohydro Bureau 9 Co., Ltd.
Guizhou Sheng, China
Patent: 2
China Communications First Public Bureau Third Engineering Co.
Beijing Shi, China
Patent: 1
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 1
China Railway 16th Bureau Group First Engineering Co., Ltd.
Beijing Shi, China
Patent: 1
Fujian Ruiyi Machinery Manufacturing Co. Ltd.
Fujian Sheng, China
Patent: 1
Sichuan University
Sichuan Sheng, China
Patent: 1
Sichuan Haodesi New Material Technology Co., Ltd.
Sichuan Sheng, China
Patent: 1
Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 1
Research Institutions
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Innovation Intensity
With the analysis among 7 patents, we discovered top 6 universities and scientific research institutions by total patent application. Sichuan University, East China University of Science & Technology, China Three Gorges University are dominant in this area. They take 42.86% of the total patent filing.
Sichuan University
Sichuan Sheng, China
Patent: 1
East China University of Science & Technology
Shanghai Shi, China
Patent: 1
China Three Gorges University
Hubei Sheng, China
Patent: 1
Xi'an University of Science & Technology
Shaanxi Sheng, China
Patent: 1
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 1
Taizhou University
Zhejiang Sheng, China
Patent: 1
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