Assignee
SHANGHAI CHENZHU INSTR CO LTD
CN·7 granted patents·1 pending application·4 citations·filing 2017–2022
Top patents by PatentIndex Score
8 records- 0173US10388479B2Surge protector, and release mechanism and base thereofSHANGHAI CHENZHU INSTR CO LTD·Filed 2017·Granted Aug 20, 2019·2 cites·12 claims
- 0267US10855072B2Intelligent safety relay and circuit applied therebySHANGHAI CHENZHU INSTR CO LTD·Filed 2018·Granted Dec 1, 2020·2 cites·13 claims
- 0360US12481270B2Hart circuit and method for determining the state of a field interface thereofSHANGHAI CHENZHU INSTR CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·12 claims
- 0457US10593501B2Surge protector and base therofSHANGHAI CHENZHU INSTR CO LTD·Filed 2019·Granted Mar 17, 2020·0 cites·14 claims
- 0544US12451688B2Linkage mechanism, base, and surge protection deviceSHANGHAI CHENZHU INSTR CO LTD·Filed 2021·Granted Oct 21, 2025·0 cites·7 claims
- 0641US12444296B2Bidirectional transmission circuit for universal signalSHANGHAI CHENZHU INSTR CO LTD·Filed 2021·Granted Oct 14, 2025·0 cites·16 claims
- 0736US11700007B2Digital-to-analog conversion device and methodSHANGHAI CHENZHU INSTR CO LTD·Filed 2021·Granted Jul 11, 2023·0 cites·10 claims
- 0834US2024222962A1Surge protection module and surge protection deviceSHANGHAI CHENZHU INSTR CO LTD·Filed 2021·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →