Differential protection determination method
US-11764568-B2 · Sep 19, 2023 · US
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involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers
involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/307 |
| Official title | {involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers} |
| Display label | involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Differential protection determination method
US-2021344190-A1 · Nov 4, 2021 · US
Current source converter differential protection method and relay protection device
US-9584007-B2 · Feb 28, 2017 · US
Current source converter differential protection method and relay protection device
US-2016118877-A1 · Apr 28, 2016 · US