With the analysis among 227 patents, we discovered top 141 key players by total patent application. Oldcastle Precast Group, Siddhi (Suzhou) Survey & Design Consulting Co., Ltd., Guangzhou EP Environmental Ltd. are dominant in this area. They take 11.01% of the total patent filing.
Washington, United States
Patent: 8
Siddhi (Suzhou) Survey & Design Consulting Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Guangzhou EP Environmental Ltd.
Guangdong Sheng, China
Patent: 6
Jiangsu Dongheng Environmental Holding Co., Ltd.
Jiangsu Sheng, China
Patent: 6
China Machinery International Engineering Design & Research In
Hunan Sheng, China
Patent: 5
China Construction Water Environmental Protection Co., Ltd.
Beijing Shi, China
Patent: 5
Shanghai Municipal Transportation Design and Research Institute Co., Ltd.
Shanghai Shi, China
Patent: 5
Chongqing Municipal Design and Research Institute Co., Ltd.
Chongqing Shi, China
Patent: 5
Beijing Tidelion S&I Rainwater Harvesting Technology Co. Ltd.
Beijing Shi, China
Patent: 4
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With the analysis among related 283 patents applied in the last 5 years. We discover 187 most active companies in this area. The fast-growing Siddhi (Suzhou) Survey & Design Consulting Co., Ltd., Beijing University of Civil Engineering & Architecture, Guangzhou EP Environmental Ltd. take 7.07% of patent filing during this period.
Siddhi (Suzhou) Survey & Design Consulting Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Beijing University of Civil Engineering & Architecture
Beijing Shi, China
Patent: 6
Guangzhou EP Environmental Ltd.
Guangdong Sheng, China
Patent: 6
Jiangsu Dongheng Environmental Holding Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Kunshan Construction Engineering Quality Inspection Center
Jiangsu Sheng, China
Patent: 5
China Construction Water Environmental Protection Co., Ltd.
Beijing Shi, China
Patent: 5
China Machinery International Engineering Design & Research In
Hunan Sheng, China
Patent: 5
Shanghai Municipal Transportation Design and Research Institute Co., Ltd.
Shanghai Shi, China
Patent: 5
Chongqing Municipal Design and Research Institute Co., Ltd.
Chongqing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 283 patents in last 5 years, we discover 172 new entrants. Siddhi (Suzhou) Survey & Design Consulting Co., Ltd., Guangzhou EP Environmental Ltd., Jiangsu Dongheng Environmental Holding Co., Ltd. are the most active new entrants in this area.
Siddhi (Suzhou) Survey & Design Consulting Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Guangzhou EP Environmental Ltd.
Guangdong Sheng, China
Patent: 6
Jiangsu Dongheng Environmental Holding Co., Ltd.
Jiangsu Sheng, China
Patent: 6
China Construction Water Environmental Protection Co., Ltd.
Beijing Shi, China
Patent: 5
China Machinery International Engineering Design & Research In
Hunan Sheng, China
Patent: 5
Shanghai Municipal Transportation Design and Research Institute Co., Ltd.
Shanghai Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Hunan Sheng, China
Patent: 4
Jiangsu Long-Leaping Engineering Design Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Lanzhou University of Technology
Gansu Sheng, China
Patent: 4
With the analysis among 127 patents, we discovered top 50 universities and scientific research institutions by total patent application. Beijing University of Civil Engineering & Architecture, Hohai University, Southeast University are dominant in this area. They take 17.32% of the total patent filing.
Beijing University of Civil Engineering & Architecture
Beijing Shi, China
Patent: 12
Jiangsu Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Hunan Sheng, China
Patent: 4
Lanzhou University of Technology
Gansu Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 4
Chongqing University Of Arts And Sciences
Chongqing Shi, China
Patent: 4
Hunan University of Technology
Hunan Sheng, China
Patent: 3