With the analysis among 40 patents, we discovered top 24 key players by total patent application. Ethyl Corp., Goodrich Corp., Evonik Operations GmbH are dominant in this area. They take 27.50% of the total patent filing.
Virginia, United States
Patent: 5
North Carolina, United States
Patent: 4
Nordrhein-Westfalen, Germany
Patent: 2
Chemische Fabrik Kalk Gesellschaft Mit Beschränkter Haftung
Nordrhein-Westfalen, Germany
Patent: 2
Ohio, United States
Patent: 2
Massachusetts, United States
Patent: 1
Nordrhein-Westfalen, Germany
Patent: 1
Minnesota, United States
Patent: 1
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With the analysis among related 2 patents applied in the last 5 years. We discover 2 most active companies in this area.
Tianjin Yongkuo Technology Development Co., Ltd.
Tianjin Shi, China
Patent: 1
China Science Guolian Labor Protection Technology Research Institute (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 1
With the analysis among related 2 patents in last 5 years, we discover 2 new entrants.
Tianjin Yongkuo Technology Development Co., Ltd.
Tianjin Shi, China
Patent: 1
China Science Guolian Labor Protection Technology Research Institute (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 1
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