With the analysis among 817 patents, we discovered top 486 key players by total patent application. Rocky Research, Carrier Corp., YORK International Corp. are dominant in this area. They take 8.57% of the total patent filing.
Alabama, United States
Patent: 44
Pennsylvania, United States
Patent: 13
Shandong Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8
California, United States
Patent: 6
Hebei Sheng, China
Patent: 6
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With the analysis among related 206 patents applied in the last 5 years. We discover 172 most active companies in this area. The fast-growing Sichuan Dingli Wolff Technology Co., Ltd., Hebei Yunrui Chemical Equipment Co., Ltd., Suzhou Aiyuan Environmental Engineering Technology Service Co., Ltd. take 4.37% of patent filing during this period.
Sichuan Sheng, China
Patent: 3
Hebei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Qinghai Sheng, China
Patent: 2
Guangdong Yi'an Biological Co., Ltd.
Guangdong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among related 206 patents in last 5 years, we discover 153 new entrants. Sichuan Dingli Wolff Technology Co., Ltd., Hebei Yunrui Chemical Equipment Co., Ltd., Suzhou Aiyuan Environmental Engineering Technology Service Co., Ltd. are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 3
Hebei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Qinghai Sheng, China
Patent: 2
Guangdong Yi'an Biological Co., Ltd.
Guangdong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among 122 patents, we discovered top 54 universities and scientific research institutions by total patent application. Guangxi University, Tianjin University, Jilin University are dominant in this area. They take 18.03% of the total patent filing.
Guangxi Zhuangzu Zizhiqu, China
Patent: 10
Tianjin Shi, China
Patent: 5
Jilin Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Hebei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2