Clutch control system and method for mitigating driveline shock loads and preventing mechanical failure
US-2025377026-A1 · Dec 11, 2025 · US
Reducing drag torque
Reducing drag torque · 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 | F16D2500/5029 |
| Official title | Reducing drag torque |
| Display label | Reducing drag torque |
| Total patents | 26 |
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 | 7 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for learning driveline disconnect clutch liftoff
US-11970153-B2 · Apr 30, 2024 · US
System and method for learning driveline disconnect clutch liftoff
US-2024067159-A1 · Feb 29, 2024 · US
Clutch control device
US-11162546-B2 · Nov 2, 2021 · US
Disconnect clutch
US-11085498-B2 · Aug 10, 2021 · US
Clutch control device
US-2020332844-A1 · Oct 22, 2020 · US
Method for correcting a drag torque curve of at least one rotatably mounted machine element
US-10744995-B2 · Aug 18, 2020 · US
Disconnect clutch
US-2019368557-A1 · Dec 5, 2019 · US
Vehicle transmission clutch engagement control system
US-10451125-B2 · Oct 22, 2019 · US
Vehicle transmission clutch engagement control system
US-2019048947-A1 · Feb 14, 2019 · US
Method for correcting a drag torque curve of at least one rotatably mounted machine element
US-2019001951-A1 · Jan 3, 2019 · US
Clutch control method and clutch control filter for vehicle
US-10100884-B2 · Oct 16, 2018 · US
Method for avoiding safety-critical activation of a clutch in a hybrid module of a drivetrain of a motor vehicle
US-9920797-B2 · Mar 20, 2018 · US
Control device and control method for a hybrid vehicle
US-9845089-B2 · Dec 19, 2017 · US
Clutch control method and clutch control filter for vehicle
US-2017335903-A1 · Nov 23, 2017 · US
Vehicle control device
US-9550492-B2 · Jan 24, 2017 · US
Clutch calibration for a hybrid electric powertrain
US-9415760-B2 · Aug 16, 2016 · US
Vehicle travel controller
US-9409576-B2 · Aug 9, 2016 · US
Method for avoiding safety-critical activation of a clutch in a hybrid module of a drivetrain of a motor vehicle
US-2016215832-A1 · Jul 28, 2016 · US
Control device and control method for a hybrid vehicle
US-2015360676-A1 · Dec 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D2500/5029?
- CPC F16D2500/5029 is the Cooperative Patent Classification code for “Reducing drag torque.”
- How many patents are filed under CPC F16D2500/5029 (Reducing drag torque)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F16D2500/5029 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).