With the analysis among 103 patents, we discovered top 31 key players by total patent application. Halliburton Energy Services, Inc., Laitram LLC, Zhengzhou Wanlong Metallurgy Charging Co.,Ltd. are dominant in this area. They take 38.83% of the total patent filing.
Texas, United States
Patent: 30
South Carolina, United States
Patent: 6
Zhengzhou Wanlong Metallurgy Charging Co.,Ltd.
Henan Sheng, China
Patent: 4
Massachusetts, United States
Patent: 3
Idaho, United States
Patent: 3
Sichuan Sheng, China
Patent: 3
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With the analysis among related 20 patents applied in the last 5 years. We discover 17 most active companies in this area. The fast-growing China Railway Eryuan Engineering Group Co., Ltd., Shandong Jianzhu University, Beijing University of Technology take 35.00% of patent filing during this period.
Sichuan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
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Patent: 1
With the analysis among related 20 patents in last 5 years, we discover 13 new entrants. China Railway Eryuan Engineering Group Co., Ltd., Shandong Jianzhu University, Beijing University of Technology are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
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Patent: 1
Gansu Sheng, China
Patent: 1
Yunnan Sheng, China
Patent: 1
With the analysis among 38 patents, we discovered top 14 universities and scientific research institutions by total patent application. Northwestern Polytechnical University, Qingdao University of Technology, Beijing University of Technology are dominant in this area. They take 28.95% of the total patent filing.
Shaanxi Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1