Clutch and method for contactless detection of wear on the clutch
US-11421746-B2 · Aug 23, 2022 · US
Signal filtering
Signal filtering · 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 | F16D2500/70668 |
| Official title | Signal filtering |
| Display label | Signal filtering |
| Total patents | 65 |
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 | 12 |
| 2016 | 9 |
| 2017 | 11 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vehicle powertrain control system
US-11209054-B1 · Dec 28, 2021 · US
Method for regulating the engagement position of a position-controlled clutch unit and torque transmission arrangement designed to carry out the method
US-11143248-B2 · Oct 12, 2021 · US
Clutch and method for contactless detection of wear on the clutch
US-2021301887-A1 · Sep 30, 2021 · US
Friction engagement element control system and method of controlling friction engagement element
US-2021285507-A1 · Sep 16, 2021 · US
Method for clutch kiss point characterization
US-2021199163-A1 · Jul 1, 2021 · US
Method for clutch kiss point characterization
US-10948033-B2 · Mar 16, 2021 · US
Clutch control apparatus for vehicle
US-10851856-B1 · Dec 1, 2020 · US
Method for regulating the engagement position of a position-controlled clutch unit and torque transmission arrangement designed to carry out the method
US-2020370609-A1 · Nov 26, 2020 · US
A method for clutch kiss point characterization
US-2020332845-A1 · Oct 22, 2020 · US
Method and apparatus for predicting operating health of a torque converter clutch
US-10553043-B2 · Feb 4, 2020 · US
Controller, control method, and clutch controller
US-2019249727-A1 · Aug 15, 2019 · US
Method for synchronization control of rapid connect AWD systems
US-10377232-B2 · Aug 13, 2019 · US
Vehicle transmission clutch engagement control system
US-10358134-B2 · Jul 23, 2019 · US
Clutch control method of vehicle
US-10352376-B2 · Jul 16, 2019 · US
Method for reducing chatter vibrations in a friction clutch in a drive train of a motor vehicle
US-10228028-B2 · Mar 12, 2019 · US
Method for reducing low-frequency vibrations in the drive train of a motor vehicle
US-10215240-B2 · Feb 26, 2019 · US
Method for parameterizing a software damper for damping chatter vibrations
US-10197115-B2 · Feb 5, 2019 · US
Clutch control method and clutch control filter for vehicle
US-10100884-B2 · Oct 16, 2018 · US
Launch control method for vehicle
US-10100885-B2 · Oct 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D2500/70668?
- CPC F16D2500/70668 is the Cooperative Patent Classification code for “Signal filtering.”
- How many patents are filed under CPC F16D2500/70668 (Signal filtering)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC F16D2500/70668 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).