With the analysis among 320 patents, we discovered top 114 key players by total patent application. The Charles Machine Works, Inc., Vermeer Manufacturing Company, Earth Tool Co. LLC are dominant in this area. They take 29.06% of the total patent filing.
Oklahoma, United States
Patent: 32
Wisconsin, United States
Patent: 29
Texas, United States
Patent: 23
Zuid-Holland, Netherlands
Patent: 9
Shaanxi Sheng, China
Patent: 8
Zuid-Holland, Netherlands
Patent: 8
New Jersey, United States
Patent: 6
Nordrhein-Westfalen, Germany
Patent: 5
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With the analysis among related 82 patents applied in the last 5 years. We discover 59 most active companies in this area. The fast-growing Halliburton Energy Services, Inc., Quanta Associates LP, Xian Research Inst of China Coal Tech & Eng Group Corp. take 17.07% of patent filing during this period.
Texas, United States
Patent: 5
Texas, United States
Patent: 5
Shaanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among related 82 patents in last 5 years, we discover 49 new entrants. Quanta Associates LP, Nanjing Zhuoci Electromechanical Technology Co., Ltd., China Coal Science and Technology Ecological Environment Technology Co., Ltd. are the most active new entrants in this area.
Texas, United States
Patent: 5
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
General Downhole Tools Ltd.
Beijing Shi, China
Patent: 1
Henan Sheng, China
Patent: 1
With the analysis among 21 patents, we discovered top 6 universities and scientific research institutions by total patent application. China University of Mining & Technology, Shandong University of Science & Technology, Anhui University of Science & Technology are dominant in this area. They take 42.86% of the total patent filing.
Jiangsu Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 1
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1