With the analysis among 994 patents, we discovered top 287 key players by total patent application. Ecolab, Inc., General Electric Co., Chevron, Inc. are dominant in this area. They take 10.06% of the total patent filing.
Minnesota, United States
Patent: 41
Massachusetts, United States
Patent: 40
Pennsylvania, United States
Patent: 19
Massachusetts, United States
Patent: 16
Texas, United States
Patent: 15
Colorado, United States
Patent: 15
Missouri, United States
Patent: 13
Wisconsin, United States
Patent: 13
Connecticut, United States
Patent: 12
British Columbia, Canada
Patent: 11
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With the analysis among related 51 patents applied in the last 5 years. We discover 19 most active companies in this area. The fast-growing REXtac LLC, Ecolab, Inc., Qingdao Hisense Hitachi Air Conditioning Systems Co. Ltd. take 19.61% of patent filing during this period.
Texas, United States
Patent: 6
Minnesota, United States
Patent: 2
Shandong Sheng, China
Patent: 2
New York, United States
Patent: 2
British Columbia, Canada
Patent: 2
Arizona, United States
Patent: 1
Texas, United States
Patent: 1
Colorado, United States
Patent: 1
New Hampshire, United States
Patent: 1
With the analysis among related 51 patents in last 5 years, we discover 9 new entrants. REXtac LLC, Qingdao Hisense Hitachi Air Conditioning Systems Co. Ltd., G.W. Lisk Co, Inc. are the most active new entrants in this area.
Texas, United States
Patent: 6
Shandong Sheng, China
Patent: 2
New York, United States
Patent: 2
Zhejiang Sheng, China
Patent: 1
Illinois, United States
Patent: 1
New Hampshire, United States
Patent: 1
California, United States
Patent: 1
KILKENNY, Ireland
Patent: 1
With the analysis among 13 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Nebraska, United States
Patent: 2
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Patent: 1