Assignee
CHINA OIL & GAS PIPELINE NETWORK CORP
CN·2 granted patents·2 pending applications·0 citations·filing 2022–2023
Top patents by PatentIndex Score
4 records- 0157US2025231144A1Device and method for dynamic crack detectionCHINA OIL & GAS PIPELINE NETWORK CORP·Filed 2023·Application pending·0 cites
- 0252US2025198859A1Method, device and equipment for detecting axial pipe stress based on orthogonal alternating electromagnetismCHINA OIL & GAS PIPELINE NETWORK CORP·Filed 2023·Application pending·0 cites
- 0348US11860127B2Eddy current probe based on Halbach array coilCHINA OIL & GAS PIPELINE NETWORK CORP·Filed 2022·Granted Jan 2, 2024·0 cites·2 claims
- 0448US11796554B2Integrated acceleration, speed and vibration sensorCHINA OIL & GAS PIPELINE NETWORK CORP·Filed 2022·Granted Oct 24, 2023·0 cites·5 claims
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