With the analysis among 53 patents, we discovered top 31 key players by total patent application. Alcan International Ltd., General Electric Co., Pennzoil Products Co. are dominant in this area. They take 22.64% of the total patent filing.
Massachusetts, United States
Patent: 4
Texas, United States
Patent: 3
Illinois, United States
Patent: 2
British Columbia, Canada
Patent: 2
Minnesota, United States
Patent: 2
Morrison Knudsen Corp. /Old/
California, United States
Patent: 2
Chemetics International Co. Ltd.
British Columbia, Canada
Patent: 2
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With the analysis among related 23 patents applied in the last 5 years. We discover 12 most active companies in this area. The fast-growing University of Science & Technology Beijing, CECEP Earth Environment Restoration Co., Ltd., Chinese Research Academy of Environmental Sciences take 26.09% of patent filing during this period.
University of Science & Technology Beijing
Beijing Shi, China
Patent: 2
CECEP Earth Environment Restoration Co., Ltd.
Beijing Shi, China
Patent: 2
Chinese Research Academy of Environmental Sciences
Center International Group Co., Ltd.
Beijing Shi, China
Patent: 1
Beijing Takitao Environmental Restoration Co., Ltd.
Beijing Shi, China
Patent: 1
Shanghai Nanotechnology and Application National Engineering Research Center Co., Ltd.
Shanghai Shi, China
Patent: 1
Qilu University of Technology
Shandong Sheng, China
Patent: 1
Shanghai Tongji Construction Science & Technology Co., Ltd.
Shanghai Shi, China
Patent: 1
Gansu Jiu Steel Group Hongxing Iron & Steel Co., Ltd.
Gansu Sheng, China
Patent: 1
With the analysis among related 23 patents in last 5 years, we discover 11 new entrants. University of Science & Technology Beijing, CECEP Earth Environment Restoration Co., Ltd., Chinese Research Academy of Environmental Sciences are the most active new entrants in this area.
University of Science & Technology Beijing
Beijing Shi, China
Patent: 2
CECEP Earth Environment Restoration Co., Ltd.
Beijing Shi, China
Patent: 2
Chinese Research Academy of Environmental Sciences
Center International Group Co., Ltd.
Beijing Shi, China
Patent: 1
Beijing Takitao Environmental Restoration Co., Ltd.
Beijing Shi, China
Patent: 1
Shanghai Nanotechnology and Application National Engineering Research Center Co., Ltd.
Shanghai Shi, China
Patent: 1
Qilu University of Technology
Shandong Sheng, China
Patent: 1
Shanghai Tongji Construction Science & Technology Co., Ltd.
Shanghai Shi, China
Patent: 1
Gansu Jiu Steel Group Hongxing Iron & Steel Co., Ltd.
Gansu Sheng, China
Patent: 1
With the analysis among 21 patents, we discovered top 6 universities and scientific research institutions by total patent application. Council of Scientific & Industrial Research, University of Science & Technology Beijing, Indian Institute of Science are dominant in this area. They take 38.10% of the total patent filing.
Council of Scientific & Industrial Research
University of Science & Technology Beijing
Beijing Shi, China
Patent: 2
Indian Institute of Science
Karnataka, India
Patent: 1
Zhejiang Sheng, China
Patent: 1
Institut National de la Recherche Scientifique
Qilu University of Technology
Shandong Sheng, China
Patent: 1