Direct drive electrically-geared turbofan
US-2024218837-A1 · Jul 4, 2024 · US
Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K51/00 |
| Official title | Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts |
| Display label | Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts |
| Total patents | 135 |
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 | 14 |
| 2016 | 11 |
| 2017 | 17 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 27 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bi-material integrated polepiece
US-2019296593-A1 · Sep 26, 2019 · US
Compressed air energy storage power generation device
US-10344628-B2 · Jul 9, 2019 · US
Actuator and vehicle transmission including the same
US-2019203832-A1 · Jul 4, 2019 · US
Electric machine
US-10320271-B2 · Jun 11, 2019 · US
Method for driving an air vehicle, and air vehicle
US-2019152617-A1 · May 23, 2019 · US
Variable-speed magnetic coupling having radially movable magnet
US-2019157963-A1 · May 23, 2019 · US
Magnet gear
US-2019131862-A1 · May 2, 2019 · US
Transmission with integrated electromagnetic torque converter
US-10272905-B2 · Apr 30, 2019 · US
Compact servo
US-2019097491-A1 · Mar 28, 2019 · US
Power transmission apparatus with rotating electrical machine
US-10215147-B2 · Feb 26, 2019 · US
Alternator with front end accessory drive
US-10186939-B2 · Jan 22, 2019 · US
Rotary electric machine
US-2018233975-A1 · Aug 16, 2018 · US
Compressed air energy storage power generation device
US-2018171832-A1 · Jun 21, 2018 · US
Case structure for driving apparatus
US-9941776-B2 · Apr 10, 2018 · US
Control of alternator with front end accessory drive
US-9935572-B2 · Apr 3, 2018 · US
Power Tool
US-2018050398-A1 · Feb 22, 2018 · US
Information processing device, information storage device, and control device of rotary electric machine
US-9887656-B2 · Feb 6, 2018 · US
Pole-Piece Structure for a Magnetic Gear
US-2017373582-A1 · Dec 28, 2017 · US
Wave energy convertor
US-9847697-B2 · Dec 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K51/00?
- CPC H02K51/00 is the Cooperative Patent Classification code for “Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts.”
- How many patents are filed under CPC H02K51/00 (Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts)?
- Our database includes 135 publications tagged with this CPC code.
- Is patent activity under CPC H02K51/00 growing?
- Publication counts under this code: 11 in 2024 vs 3 in 2025 (latest complete years).