With the analysis among 240 patents, we discovered top 123 key players by total patent application. Donaldson Co., Inc., Ingersoll-Rand Industrial U.S., Inc., InnoValor Software BV are dominant in this area. They take 14.17% of the total patent filing.
Minnesota, United States
Patent: 17
Ingersoll-Rand Industrial U.S., Inc.
North Carolina, United States
Patent: 9
Overijssel, Netherlands
Patent: 8
Arkal Filtration Systems Cooperative Agricultural Soc Ltd.
Matsushita Electronics Corp.
Microsoft Technology Licensing LLC
Washington, United States
Patent: 5
Agilent Technologies, Inc.
Beijing Shi, China
Patent: 4
Connecticut, United States
Patent: 4
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With the analysis among related 29 patents applied in the last 5 years. We discover 25 most active companies in this area. The fast-growing TDK Corp., Xpeedic Technology Inc., Yantai Dikang Environmental Technology Co., Ltd. take 17.24% of patent filing during this period.
Shanghai Shi, China
Patent: 2
Yantai Dikang Environmental Technology Co., Ltd.
Shandong Sheng, China
Patent: 1
Chengdu Yitai Technology Co., Ltd.
Sichuan Sheng, China
Patent: 1
Shenzhen Haoxiang Purification Technology Co., Ltd.
Guangdong Sheng, China
Patent: 1
Baotou Traditional Chinese Medicine Co., Ltd.
Chongqing Dazu District Haoxin Machinery Parts Manufacturing Co., Ltd.
Chongqing Shi, China
Patent: 1
Jiangsu Xingke Pharmaceutical Equipment Manufacturing Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Fly Dragon Precision Technologies (Suzhou) Co. Ltd.
Jiangsu Sheng, China
Patent: 1
The Board of Trustees of the University of Illinois
Illinois, United States
Patent: 1
With the analysis among related 29 patents in last 5 years, we discover 24 new entrants. Xpeedic Technology Inc., Yantai Dikang Environmental Technology Co., Ltd., Beijing Kangjiezhichen Water Treatment Technology Co., Ltd. are the most active new entrants in this area.
Shanghai Shi, China
Patent: 2
Yantai Dikang Environmental Technology Co., Ltd.
Shandong Sheng, China
Patent: 1
Beijing Kangjiezhichen Water Treatment Technology Co., Ltd.
Beijing Shi, China
Patent: 1
Chengdu Yitai Technology Co., Ltd.
Sichuan Sheng, China
Patent: 1
Shenzhen Jingwanjia Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 1
Shenzhen Haoxiang Purification Technology Co., Ltd.
Guangdong Sheng, China
Patent: 1
Regents of the University of California
California, United States
Patent: 1
Baotou Traditional Chinese Medicine Co., Ltd.
Xi'an Institute of Space Radio Technology
Shaanxi Sheng, China
Patent: 1
With the analysis among 14 patents, we discovered top 7 universities and scientific research institutions by total patent application. California Institute of Technology, Beijing University of Posts & Telecommunications, University of Electronic Science & Technology of China are dominant in this area. They take 28.57% of the total patent filing.
California Institute of Technology
California, United States
Patent: 1
Beijing University of Posts & Telecommunications
Beijing Shi, China
Patent: 1
University of Electronic Science & Technology of China
Sichuan Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Henan University of Science & Technology
Henan Sheng, China
Patent: 1
Chinese Academy of Sciences Institute of Acoustics