Reciprocating piston machine comprising a length-adjustable connecting rod and an inductively actuatable control valve
US-2018363546-A1 · Dec 20, 2018 · US
Rotating electric generators
Rotating electric generators · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B63/042 |
| Official title | {Rotating electric generators} |
| Display label | Rotating electric generators |
| Total patents | 324 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 19 |
| 2017 | 21 |
| 2018 | 24 |
| 2019 | 27 |
| 2020 | 44 |
| 2021 | 44 |
| 2022 | 48 |
| 2023 | 31 |
| 2024 | 22 |
| 2025 | 21 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arrangement with a synchronous generator and an asynchronous machine
US-2018254726-A1 · Sep 6, 2018 · US
Electric generator cooling structure for internal combustion engine
US-2018087437-A1 · Mar 29, 2018 · US
Hybrid vehicle powertrain
US-9862262-B2 · Jan 9, 2018 · US
Method and system for freezing alternator node address
US-2017370281-A1 · Dec 28, 2017 · US
Generator having confined space shutdown
US-2017363022-A1 · Dec 21, 2017 · US
Fuel supply apparatus for internal combustion engine
US-9840979-B2 · Dec 12, 2017 · US
Vehicle drive device
US-9797305-B2 · Oct 24, 2017 · US
Operating an internal combustion engine coupled to a generator
US-2017254275-A1 · Sep 7, 2017 · US
Supercharger assembly for regeneration of throttling losses and method of control
US-2017204781-A1 · Jul 20, 2017 · US
Integrated reformer and waste heat recovery system for power generation
US-9708973-B2 · Jul 18, 2017 · US
Vehicle drive device
US-9695742-B2 · Jul 4, 2017 · US
Exhaust gas recirculation (EGR) system for internal combustion engines
US-9689352-B2 · Jun 27, 2017 · US
Vehicle drive device
US-9670838-B2 · Jun 6, 2017 · US
Hybrid drive device
US-9644531-B2 · May 9, 2017 · US
Vehicle equipped with engine for driving a generator
US-2017120756-A1 · May 4, 2017 · US
Remote fluid supply for an engine
US-2017101914-A1 · Apr 13, 2017 · US
Fuel supply apparatus for internal combustion engine
US-2017074202-A1 · Mar 16, 2017 · US
Generator set mount
US-9593799-B2 · Mar 14, 2017 · US
Marine propulsion device and boat
US-9577492-B2 · Feb 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B63/042?
- CPC F02B63/042 is the Cooperative Patent Classification code for “Rotating electric generators.”
- How many patents are filed under CPC F02B63/042 (Rotating electric generators)?
- Our database includes 324 publications tagged with this CPC code.
- Is patent activity under CPC F02B63/042 growing?
- Publication counts under this code: 22 in 2024 vs 21 in 2025 (latest complete years).