Drive including a transmission driven by an electric motor
US-12435777-B2 · Oct 7, 2025 · US
in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts
in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts · 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 | F16H29/04 |
| Official title | in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts |
| Display label | in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 11 |
| 2017 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive including a transmission driven by an electric motor
US-2025198490-A1 · Jun 19, 2025 · US
Closed-loop control of an infinitely variable transmission
US-11686388-B2 · Jun 27, 2023 · US
Closed-loop control of an infinitely variable transmission
US-2022186830-A1 · Jun 16, 2022 · US
Closed-loop control of an infinitely variable transmission
US-11268615-B2 · Mar 8, 2022 · US
Closed-Loop Control of an Infinitely Variable Transmission
US-2021324955-A1 · Oct 21, 2021 · US
Transmission assembly
US-2020340558-A1 · Oct 29, 2020 · US
Continuously variable transmission
US-9616894-B2 · Apr 11, 2017 · US
Vehicle power transmission device
US-9568079-B2 · Feb 14, 2017 · US
Vehicle power transmission device
US-9488258-B2 · Nov 8, 2016 · US
Vehicle power transmission device
US-2016273634-A1 · Sep 22, 2016 · US
Stepless transmission
US-9441716-B2 · Sep 13, 2016 · US
Vehicle power transmission device
US-9382985-B2 · Jul 5, 2016 · US
Engine starting device for vehicle
US-9347416-B2 · May 24, 2016 · US
Clamping element freewheel
US-9322441-B2 · Apr 26, 2016 · US
Vehicle power transmission apparatus
US-2016053875-A1 · Feb 25, 2016 · US
Vehicular power transmission device
US-2016032881-A1 · Feb 4, 2016 · US
Vehicular power transmission device
US-2016033020-A1 · Feb 4, 2016 · US
Continuously variable transmission
US-2016009286-A1 · Jan 14, 2016 · US
Vehicular power transmission device
US-9234571-B2 · Jan 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16H29/04?
- CPC F16H29/04 is the Cooperative Patent Classification code for “in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts.”
- How many patents are filed under CPC F16H29/04 (in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F16H29/04 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2025 (latest complete years).