Power coupling devices for high-temperature superconductors
US-2026074587-A1 · Mar 12, 2026 · US
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Motor/generators
Motor/generators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K47/20 |
| Official title | Motor/generators |
| Display label | Motor/generators |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assembly comprising a generator and electric motors, for a vehicle air-conditioning or refrigeration system
US-12508911-B2 · Dec 30, 2025 · US
System for a generator set
US-12218568-B2 · Feb 4, 2025 · US
Super-synchronous motor/generator
US-11791701-B2 · Oct 17, 2023 · US
System for a generator set
US-2023307992-A1 · Sep 28, 2023 · US
Super-synchronous motor/generator
US-2022286032-A1 · Sep 8, 2022 · US
Super-synchronous motor/generator
US-11329537-B2 · May 10, 2022 · US
Electric drive unit
US-2022021287-A1 · Jan 20, 2022 · US
Assembly comprising a generator and electric motors, for a vehicle air-conditioning or refrigeration system
US-2020398669-A1 · Dec 24, 2020 · US
Super-synchronous motor/generator
US-2020350808-A1 · Nov 5, 2020 · US
Downhole power generation
US-10697276-B2 · Jun 30, 2020 · US
Stator structure and resolver
US-10594198-B2 · Mar 17, 2020 · US
Resolver stator having multilayered core
US-10554108-B2 · Feb 4, 2020 · US
Motor-generator with multiple stator windings
US-10270305-B2 · Apr 23, 2019 · US
Resolver stator
US-2019115815-A1 · Apr 18, 2019 · US
Stator structure and resolver
US-2018323691-A1 · Nov 8, 2018 · US
Downhole power generation
US-2018179860-A1 · Jun 28, 2018 · US
Topsides variable speed drive for large pumps or compressors
US-2017244312-A1 · Aug 24, 2017 · US
Electrical gear and method for operating a subsea machinery rotating at high speed
US-9685897-B2 · Jun 20, 2017 · US
Motor-generator with multiple stator windings
US-2017163114-A1 · Jun 8, 2017 · US