Hypersonic aircraft having homopolar motor with graded resistance
US-10507913-B2 · Dec 17, 2019 · US
Quenching; Protection arrangements during quenching {(protection circuits H02H7/001)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F6/02 |
| Official title | Quenching; Protection arrangements during quenching {(protection circuits H02H7/001)} |
| Display label | Quenching; Protection arrangements during quenching {(protection circuits H02H7/001)} |
| Total patents | 234 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 15 |
| 2018 | 18 |
| 2019 | 19 |
| 2020 | 24 |
| 2021 | 24 |
| 2022 | 36 |
| 2023 | 26 |
| 2024 | 29 |
| 2025 | 15 |
| 2026 | 10 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10507913-B2 · Dec 17, 2019 · US
US-10490329-B2 · Nov 26, 2019 · US
US-2019312428-A1 · Oct 10, 2019 · US
US-10411460-B2 · Sep 10, 2019 · US
US-10403423-B2 · Sep 3, 2019 · US
US-2019206600-A1 · Jul 4, 2019 · US
US-2019074118-A1 · Mar 7, 2019 · US
US-2019009903-A1 · Jan 10, 2019 · US
US-2019009902-A1 · Jan 10, 2019 · US
US-2018372818-A1 · Dec 27, 2018 · US
US-2018350494-A1 · Dec 6, 2018 · US
US-10128030-B2 · Nov 13, 2018 · US
US-10113658-B2 · Oct 30, 2018 · US
US-2018309288-A1 · Oct 25, 2018 · US
US-2018301249-A1 · Oct 18, 2018 · US
US-2018286572-A1 · Oct 4, 2018 · US
US-2018268974-A1 · Sep 20, 2018 · US
US-10073155-B2 · Sep 11, 2018 · US
US-2018248357-A1 · Aug 30, 2018 · US
US-2018233255-A1 · Aug 16, 2018 · US
Answers are generated from the same data shown on this page.