With the analysis among 63 patents, we discovered top 29 key players by total patent application. MSA Technology LLC, H.O. Bostrom Co., Inc., Interspiro AB are dominant in this area. They take 23.81% of the total patent filing.
Pennsylvania, United States
Patent: 7
Wisconsin, United States
Patent: 4
North Carolina, United States
Patent: 3
Scott Health & Safety Ltd.
BERKSHIRE, United Kingdom
Patent: 3
Shanghai Yige Safety Equipment Co., Ltd.
Shanghai Shi, China
Patent: 3
Oregon, United States
Patent: 2
Shigematsu Works Co., Ltd.
SAVOX Communications Oy AB
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With the analysis among related 16 patents applied in the last 5 years. We discover 2 most active companies in this area.
British Columbia, Canada
Patent: 2
Tennessee, United States
Patent: 1
With the analysis among related 16 patents in last 5 years, we discover 2 new entrants.
British Columbia, Canada
Patent: 2
Tennessee, United States
Patent: 1
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