Method for increasing the efficiency of an energy transfer device, energy transfer device, and use of an electrically conductive material
US-11870307-B2 · Jan 9, 2024 · US
Synchronous generators
Synchronous 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 | H02K19/16 |
| Official title | Synchronous generators |
| Display label | Synchronous generators |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for cooling a rotor assembly
US-2023246499-A1 · Aug 3, 2023 · US
Synchronous generator with configurable modality
US-2023198444-A1 · Jun 22, 2023 · US
Method and apparatus for cooling a rotor assembly
US-11682947-B2 · Jun 20, 2023 · US
Coil layout for a generator having tape conductors
US-2023048786-A1 · Feb 16, 2023 · US
Active control of supply current dynamics for synchronous motor drives
US-11511630-B2 · Nov 29, 2022 · US
Hydride generation system
US-11316462-B1 · Apr 26, 2022 · US
Electrically excited machine and arrangement for an electrically excited machine
US-2022060088-A1 · Feb 24, 2022 · US
High speed generator connection assembly
US-11245312-B2 · Feb 8, 2022 · US
Method for increasing the efficiency of an energy transfer device, energy transfer device, and use of an electrically conductive material
US-2021408875-A1 · Dec 30, 2021 · US
Rotating electric machine
US-11183911-B2 · Nov 23, 2021 · US
Rotor wedges and methods of making rotor wedges
US-2021336501-A1 · Oct 28, 2021 · US
Method and apparatus for cooling a rotor assembly
US-2021249933-A1 · Aug 12, 2021 · US
Rotor wedges and layers and heat sinks
US-11081920-B2 · Aug 3, 2021 · US
Rotor for a synchronous generator
US-11050315-B2 · Jun 29, 2021 · US
Thermoelectric generation system
US-11018289-B2 · May 25, 2021 · US
Method and apparatus for cooling a rotor assembly
US-10931171-B2 · Feb 23, 2021 · US
High speed generator connection assembly
US-2020412210-A1 · Dec 31, 2020 · US
Rotating electric machine
US-2020366175-A1 · Nov 19, 2020 · US
Methods for manufacturing a rotor assembly for an electrical machine
US-10792750-B2 · Oct 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K19/16?
- CPC H02K19/16 is the Cooperative Patent Classification code for “Synchronous generators.”
- How many patents are filed under CPC H02K19/16 (Synchronous generators)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC H02K19/16 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).