With the analysis among 79 patents, we discovered top 36 key players by total patent application. Chevron, Inc., LINDA AG, China National Petroleum Corp. are dominant in this area. They take 31.65% of the total patent filing.
Pennsylvania, United States
Patent: 9
Nordrhein-Westfalen, Germany
Patent: 9
Beijing Shi, China
Patent: 7
Hebei Sheng, China
Patent: 7
Hebei Sheng, China
Patent: 6
Schleswig-Holstein, Germany
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
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With the analysis among related 24 patents applied in the last 5 years. We discover 14 most active companies in this area. The fast-growing China Petroleum Pipeline Bureau Engineering Corp., China National Petroleum Corp., China Petroleum & Natural Gas Pipeline Engineering Corp. take 83.33% of patent filing during this period.
Hebei Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Hebei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
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Patent: 1
Jiangsu Puwei Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 24 patents in last 5 years, we discover 13 new entrants. China Petroleum Pipeline Bureau Engineering Corp., China National Petroleum Corp., China Petroleum & Natural Gas Pipeline Engineering Corp. are the most active new entrants in this area.
Hebei Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Hebei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Gansu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
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Patent: 1
Jiangsu Puwei Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Naverkinsch (Beijing) Technology Co., Ltd.
Beijing Shi, China
Patent: 1
With the analysis among 3 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Rio de Janeiro, Brazil
Patent: 1
Shaanxi Sheng, China
Patent: 1