China Petroleum Pipeline Machinery Manufacture Co., Ltd.
China
| Create a watch for China Petroleum Pipeline Machinery Manufacture Co., Ltd. | |
| Total IP | 4 |
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| Total IP Rank # | 392,052 |
| IP Activity Score | 1.5/5.0 5 |
| IP Activity Rank # | 198,199 |
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| Last Patent | 2025 - Filtering, coalescence, separati... | |||||||||||||||
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| First Patent | 2012 - Lift and rotation mechanism for ... | |||||||||||||||
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