Variable speed transmission and system using same
US-11835117-B2 · Dec 5, 2023 · US
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with multiple lamellae
with multiple lamellae · 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 | F16D35/005 |
| Official title | {with multiple lamellae} |
| Display label | with multiple lamellae |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid friction clutch
US-10837500-B2 · Nov 17, 2020 · US
Technique for cooling for an internal combustion engine
US-10815864-B2 · Oct 27, 2020 · US
Clutch mechanism and method for controlling fan speed
US-10634197-B2 · Apr 28, 2020 · US
Variable speed transmission and system using same
US-2019154127-A1 · May 23, 2019 · US
Technique for cooling for an internal combustion engine
US-2019101044-A1 · Apr 4, 2019 · US
Fluid friction clutch
US-2019085912-A1 · Mar 21, 2019 · US
External control type fluid coupling
US-2017370477-A1 · Dec 28, 2017 · US
Clutch Mechanism and Method for Controlling Fan Speed
US-2017350459-A1 · Dec 7, 2017 · US
Method for manufacturing a steel friction lamella for a friction coupling
US-2017056943-A1 · Mar 2, 2017 · US
Regulator device, and method pertaining to a regulator device, for control of a viscous coupling unit
US-2015034444-A1 · Feb 5, 2015 · US