Clutch assembly configured to prevent unwanted jolt during engagement
US-10738839-B2 · Aug 11, 2020 · US
Arrangements for spreading lamellae in the released state
Arrangements for spreading lamellae in the released state · 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 | F16D13/69 |
| Official title | Arrangements for spreading lamellae in the released state |
| Display label | Arrangements for spreading lamellae in the released state |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 19 |
| 2019 | 15 |
| 2020 | 12 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Friction element for a frictional shifting element for a vehicle transmission
US-10514072-B2 · Dec 24, 2019 · US
Frictional shifting element for a vehicle transmission
US-10495157-B2 · Dec 3, 2019 · US
Lift fan clutch plate for preventing blade tilt
US-10495156-B2 · Dec 3, 2019 · US
Reduced drag clutch plate
US-10487885-B2 · Nov 26, 2019 · US
Fluid draining through clutch plates having separator features
US-10480589-B2 · Nov 19, 2019 · US
Coupling arrangement for the powertrain of a vehicle
US-10480591-B2 · Nov 19, 2019 · US
Frictional engagement device
US-2019285126-A1 · Sep 19, 2019 · US
Lift fan clutch plate with improved axial positioning
US-10415653-B2 · Sep 17, 2019 · US
Method and mechanism for open clutch drag reduction
US-10400829-B2 · Sep 3, 2019 · US
Transmission brake device
US-10385931-B2 · Aug 20, 2019 · US
Clutch for a transmission
US-10337562-B2 · Jul 2, 2019 · US
Lift fan clutch plate to reduce instability
US-10316900-B2 · Jun 11, 2019 · US
Passive opening low loss clutch pack
US-10203005-B2 · Feb 12, 2019 · US
Motor vehicle clutch assembly including stop for limiting liftoff of a clutch plate assembly
US-10197105-B2 · Feb 5, 2019 · US
Multi-area piston
US-2019017556-A1 · Jan 17, 2019 · US
Fluid draining through clutch plates having separator features
US-2018372166-A1 · Dec 27, 2018 · US
Lift fan clutch plate for preventing blade tilt
US-2018355922-A1 · Dec 13, 2018 · US
Disk for a friction clutch
US-10138948-B2 · Nov 27, 2018 · US
Friction element for transmission
US-2018291966-A1 · Oct 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D13/69?
- CPC F16D13/69 is the Cooperative Patent Classification code for “Arrangements for spreading lamellae in the released state.”
- How many patents are filed under CPC F16D13/69 (Arrangements for spreading lamellae in the released state)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC F16D13/69 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).