Power control system for traction and implement pump motors of electric machine
US-12234845-B1 · Feb 25, 2025 · US
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with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable · 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 | F16H3/42 |
| Official title | with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable |
| Display label | with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 6 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable acceleration curved surface spiral gear transmission mechanism for accelerated oscillator damper systems
US-11644086-B2 · May 9, 2023 · US
Variable acceleration curved surface spiral gear transmission mechanism for accelerated oscillator damper systems
US-2021239191-A1 · Aug 5, 2021 · US
Gear drive mechanisms for surgical instruments
US-2020300341-A1 · Sep 24, 2020 · US
Variable-ratio line gear mechanism
US-10465787-B2 · Nov 5, 2019 · US
Power transmission apparatus for hybrid electric vehicle
US-10384529-B2 · Aug 20, 2019 · US
Line gear mechanism having variable transmission ratio
US-2017343095-A1 · Nov 30, 2017 · US
Power transmission apparatus for hybrid electric vehicle
US-9616739-B2 · Apr 11, 2017 · US
Power transmission apparatus for hybrid electric vehicle
US-2017036530-A1 · Feb 9, 2017 · US
Planetary gear train of automatic transmission for vehicle
US-9528574-B2 · Dec 27, 2016 · US
Multi-stage auto transmission for vehicle
US-9429215-B2 · Aug 30, 2016 · US
Planetary gear train of automatic transmission for vehicle
US-2016169344-A1 · Jun 16, 2016 · US
Planetary gear train of automatic transmission for vehicle
US-2016169342-A1 · Jun 16, 2016 · US
Power Transmission Apparatus for Hybrid Electric Vehicle
US-2016089969-A1 · Mar 31, 2016 · US
Multi-stage auto transmission for vehicle
US-2016091058-A1 · Mar 31, 2016 · US