Rotating electrical machine with superconducting elements and cryogenic enclosures
US-12176789-B2 · Dec 24, 2024 · US
of the synchronous type
of the synchronous type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K55/02 |
| Official title | of the synchronous type |
| Display label | of the synchronous type |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 16 |
| 2025 | 5 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
An electrical generator and cooling system
US-2024388170-A1 · Nov 21, 2024 · US
Superconducting bulk comprising a cavity and associated electric machine
US-12149150-B2 · Nov 19, 2024 · US
Rotary machine and method for manufacturing the same
US-2024380262-A1 · Nov 14, 2024 · US
Superconducting motor comprising a cooling system
US-2024291370-A1 · Aug 29, 2024 · US
Superconducting rotating machine
US-12027953-B2 · Jul 2, 2024 · US
Protection for the coils of an electric machine
US-2024097549-A1 · Mar 21, 2024 · US
Wind Turbine Generator with High Temperature Superconducting Elements
US-2024088773-A1 · Mar 14, 2024 · US
Hydrogen Expander Magnetic Generator Apparatus and Method
US-2023188024-A1 · Jun 15, 2023 · US
Rotating electrical machine with superconducting elements and cryogenic enclosures
US-2023147036-A1 · May 11, 2023 · US
Superconducting rotating machine
US-2023135926-A1 · May 4, 2023 · US
Wind turbine having superconducting generator and armature for use in the superconducting generator
US-11606017-B2 · Mar 14, 2023 · US
Superconducting bulk comprising a cavity and associated electric machine
US-2023037086-A1 · Feb 2, 2023 · US
Armature segment, armature and methods for assembling them
US-11552518-B2 · Jan 10, 2023 · US
Stator winding with increased power density
US-11502568-B2 · Nov 15, 2022 · US
Field coil support structure and modular field coil design in a superconducting machine
US-2022302815-A1 · Sep 22, 2022 · US
Coil layout for a generator having tape conductors
US-11431217-B2 · Aug 30, 2022 · US
Rotating cooling system for wind turbine generator
US-11387699-B2 · Jul 12, 2022 · US
Armature segment, armature and methods for assembling them
US-2022209604-A1 · Jun 30, 2022 · US
Rotating cooling system for wind turbine generator
US-2022190663-A1 · Jun 16, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K55/02?
- CPC H02K55/02 is the Cooperative Patent Classification code for “of the synchronous type.”
- How many patents are filed under CPC H02K55/02 (of the synchronous type)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC H02K55/02 growing?
- Publication counts under this code: 16 in 2024 vs 5 in 2025 (latest complete years).