With the analysis among 2,702 patents, we discovered top 471 key players by total patent application. Fläkt AB, General Electric Technology GmbH, Alstom SpA are dominant in this area. They take 6.62% of the total patent filing.
General Electric Technology GmbH
CITY OF ROME, Italy
Patent: 44
Shell Internationale Research Maatschappij BV
Zuid-Holland, Netherlands
Patent: 39
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 25
Saint-Gobain Centre de Recherches et d'Études Européen SAS
Delaware, United States
Patent: 23
Shandong Sheng, China
Patent: 22
California, United States
Patent: 19
With the analysis among 8 patents, we discovered top 6 start-ups by total patent application. Philter Labs, Inc., Ultralight, Inc., Shanghai Yinshi Environmental Protection Technology Co. Ltd. are active in this area.
California, United States
Patent: 2
Texas, United States
Patent: 2
Shanghai Yinshi Environmental Protection Technology Co. Ltd.
Shanghai Shi, China
Patent: 1
Sagetech Medical Equipment Ltd
Devon, United Kingdom
Patent: 1
Hebei Sheng, China
Patent: 1
Log 9 Spill Containment Pvt Ltd.
Karnataka, India
Patent: 1
With the analysis among related 977 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Jianfeng International Co., Ltd., Gree Electric Appliances, Inc. of Zhuhai, Jiangsu Refontech Science & Technology Industrial Co.,Ltd take 5.22% of patent filing during this period.
Jianfeng International Co., Ltd.
undefined undefined
Patent: 25
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 14
Jiangsu Refontech Science & Technology Industrial Co.,Ltd
Jiangsu Sheng, China
Patent: 12
Tianjin Shi, China
Patent: 11
New Jersey, United States
Patent: 9
Beijing Institute of Labor Protection Science
undefined undefined
Patent: 8
Beijing Shi, China
Patent: 8
Shenzhen Puremate Technology Co Ltd
Guangdong Sheng, China
Patent: 8
Chinese Research Academy of Environmental Sciences
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 8
With the analysis among related 977 patents in last 5 years, we discover 428 new entrants. Jianfeng International Co., Ltd., Jiangsu Refontech Science & Technology Industrial Co.,Ltd, Beijing Institute of Labor Protection Science are the most active new entrants in this area.
Jianfeng International Co., Ltd.
undefined undefined
Patent: 25
Jiangsu Refontech Science & Technology Industrial Co.,Ltd
Jiangsu Sheng, China
Patent: 12
Beijing Institute of Labor Protection Science
undefined undefined
Patent: 8
Shenzhen Puremate Technology Co Ltd
Guangdong Sheng, China
Patent: 8
Shenzhen Yuanqi Environmental Energy Technology Co., Ltd.
Guangdong Sheng, China
Patent: 7
Tianjin Photoelectric Huadian Technology Co., Ltd.
Tianjin Shi, China
Patent: 6
Wuxi Weifu Environmental Protection Catalyst Co. Ltd.
Jiangsu Sheng, China
Patent: 5
Liaoning Sheng, China
Patent: 5
Lombardia, Italy
Patent: 5
With the analysis among 567 patents, we discovered top 148 universities and scientific research institutions by total patent application. Tianjin University, Zhejiang University, Beijing University of Technology are dominant in this area. They take 9.52% of the total patent filing.
Tianjin Shi, China
Patent: 19
Zhejiang Sheng, China
Patent: 18
Beijing University of Technology
Beijing Shi, China
Patent: 17
Beijing Shi, China
Patent: 15
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 7
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 7