Direct-current transmission line protection method and system based on pure current characteristics
US-11973340-B2 · Apr 30, 2024 · US
involving comparison of similar homopolar quantities · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/286 |
| Official title | {involving comparison of similar homopolar quantities} |
| Display label | involving comparison of similar homopolar quantities |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11973340-B2 · Apr 30, 2024 · US
US-11500407-B2 · Nov 15, 2022 · US
US-11469589-B2 · Oct 11, 2022 · US
US-2022285931-A1 · Sep 8, 2022 · US
US-2021255655-A1 · Aug 19, 2021 · US
US-2020335967-A1 · Oct 22, 2020 · US
US-9425609-B2 · Aug 23, 2016 · US