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Patent applications and USPTO patent grants for Yuan; Mao.The latest application filed is for "overcoming otdr dead zones using a few-mode fiber".
Patent | Date |
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Hybrid distributed acoustic testing Grant 11,209,307 - Hveding , et al. December 28, 2 | 2021-12-28 |
Overcoming Otdr Dead Zones Using A Few-mode Fiber App 20210223139 - Hveding; Frode ;   et al. | 2021-07-22 |
Quasi-fundamental-mode operated multimode fiber for distributed acoustic sensing Grant 10,962,408 - Hveding , et al. March 30, 2 | 2021-03-30 |
Simultaneous distributed temperature and vibration sensing using multimode optical fiber Grant 10,880,007 - Hveding , et al. December 29, 2 | 2020-12-29 |
Downhole Monitoring Using Few-Mode Optical Fiber Based Distributed Acoustic Sensing App 20200292727 - Hveding; Frode ;   et al. | 2020-09-17 |
Quasi-fundamental-mode Operated Multimode Fiber For Distributed Acoustic Sensing App 20200284647 - Hveding; Frode ;   et al. | 2020-09-10 |
Hybrid Distrubuted Acoustic Testing App 20200240834 - Hveding; Frode ;   et al. | 2020-07-30 |
Signal To Noise Ratio Management App 20200149952 - Hveding; Frode ;   et al. | 2020-05-14 |
Hybrid distributed acoustic testing Grant 10,634,553 - Hveding , et al. | 2020-04-28 |
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