With the analysis among 75 patents, we discovered top 31 key players by total patent application. Hydro-Aire, Inc., Knorr-Bremse GmbH, The Bendix Corp. are dominant in this area. They take 28.00% of the total patent filing.
Washington, United States
Patent: 9
Hovedstaden, Denmark
Patent: 5
California, United States
Patent: 4
Illinois, United States
Patent: 3
Ohio, United States
Patent: 3
Virginia, United States
Patent: 2
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 3 patents applied in the last 5 years. We discover 2 most active companies in this area.
Virginia, United States
Patent: 2
Shaanxi Sheng, China
Patent: 1
With the analysis among related 3 patents in last 5 years, we discover 2 new entrants.
Virginia, United States
Patent: 2
Shaanxi Sheng, China
Patent: 1
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