With the analysis among 482 patents, we discovered top 272 key players by total patent application. Sichuan Chuandong Cast Stone Co. Ltd., Penglai Jinwang Wear Resistant Material Co. Ltd., Penglai Shuicheng Cast Stone Pipeline Valve Co., Ltd. are dominant in this area. They take 9.96% of the total patent filing.
Sichuan Sheng, China
Patent: 19
Shandong Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 13
Penglai Huaan Cast Stone Pipe Fittings Co., Ltd.
Shandong Sheng, China
Patent: 12
Shandong Sheng, China
Patent: 9
Rheinland-Pfalz, Germany
Patent: 7
Anhui Sheng, China
Patent: 6
Anhui Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
Liaoning Sheng, China
Patent: 4
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With the analysis among related 167 patents applied in the last 5 years. We discover 113 most active companies in this area. The fast-growing Penglai Jinwang Wear Resistant Material Co. Ltd., Yantai Daoqin Wear-resistant Material Co., Ltd., Penglai Huaan Cast Stone Pipe Fittings Co., Ltd. take 19.76% of patent filing during this period.
Shandong Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 9
Penglai Huaan Cast Stone Pipe Fittings Co., Ltd.
Shandong Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 6
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 2
With the analysis among related 167 patents in last 5 years, we discover 108 new entrants. Penglai Jinwang Wear Resistant Material Co. Ltd., Yantai Daoqin Wear-resistant Material Co., Ltd., Wuhu Dingfu Landscape Materials Co., Ltd. are the most active new entrants in this area.
Shandong Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 9
Anhui Sheng, China
Patent: 6
Beijing Shi, China
Patent: 2
Anhui Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 2
Nei Mongol Zizhiqu, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
With the analysis among 37 patents, we discovered top 8 universities and scientific research institutions by total patent application. University of Science & Technology Beijing, Wuhan University of Technology, China University of Mining & Technology are dominant in this area. They take 40.54% of the total patent filing.
Beijing Shi, China
Patent: 7
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Gansu Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Gansu Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Philippine College of Surgeons