Electric power generation controller for use in aircraft and electric power generating apparatus including same
US-11465767-B2 · Oct 11, 2022 · US
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Planetary gearing
Planetary gearing · 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 | F16D2500/1087 |
| Official title | Planetary gearing |
| Display label | Planetary gearing |
| Total patents | 17 |
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 | 4 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2020 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-mode starter-generator device transmission with single valve control
US-10821820-B1 · Nov 3, 2020 · US
Multi-mode starter-generator device transmission with single valve control
US-2020331338-A1 · Oct 22, 2020 · US
Method of operating a power path with continuously power-split transmission and with secondarily coupled power split
US-10011280-B2 · Jul 3, 2018 · US
Clutch assembly and transmission
US-9945428-B2 · Apr 17, 2018 · US
Starting clutch control device for automatic transmission
US-9926988-B2 · Mar 27, 2018 · US
Control device for vehicle driving device
US-9688267-B2 · Jun 27, 2017 · US
Method of operating a power path with continuously power-split transmission and with secondarily coupled power split
US-2017174217-A1 · Jun 22, 2017 · US
Control device for vehicle driving device
US-2017072934-A1 · Mar 16, 2017 · US
Electro-mechanical one-way-clutch and method of operation
US-9546729-B2 · Jan 17, 2017 · US
Electro-Mechanical One-Way-Clutch and Method of Operation
US-2016356377-A1 · Dec 8, 2016 · US
Clutch housing and assembly
US-9328779-B2 · May 3, 2016 · US
Clutch housing and assembly
US-2016069398-A1 · Mar 10, 2016 · US
Clutch housing and assembly
US-9222526-B2 · Dec 29, 2015 · US
Starting clutch control device for automatic transmission
US-2015362026-A1 · Dec 17, 2015 · US
Limited slip differential
US-9074671-B2 · Jul 7, 2015 · US
Automatic transmission assembly
US-9022894-B2 · May 5, 2015 · US