Inventor · disambiguated record
Haiming Liao
Also filed as: LIAO HAIMING
5 granted patents·0 citations·filing 2020–2021
57Inventor score
Files withSHANGHAI ROYE ELECTRIC CO LTD5
Top patents by PatentIndex Score
5 records- 0148US12181525B2Field detection device, system and method for achieving no maintenance of gas density relaySHANGHAI ROYE ELECTRIC CO LTD·Filed 2020·Granted Dec 31, 2024·0 cites·19 claims
- 0244US12276699B2Gas density relay with online self-checking function and checking method thereforSHANGHAI ROYE ELECTRIC CO LTD·Filed 2021·Granted Apr 15, 2025·0 cites·20 claims
- 0344US12136530B2Transformation method for gas density relay, and gas density relay having online self-check function and check method thereofSHANGHAI ROYE ELECTRIC CO LTD·Filed 2020·Granted Nov 5, 2024·0 cites·20 claims
- 0443US12038480B2Electrical system with on-line sampling verification function and verification method thereofSHANGHAI ROYE ELECTRIC CO LTD·Filed 2020·Granted Jul 16, 2024·0 cites·18 claims
- 0541US11988713B2Contact signal acquisition circuit for on-site on-line check of gas density relaySHANGHAI ROYE ELECTRIC CO LTD·Filed 2020·Granted May 21, 2024·0 cites·19 claims
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