Method for warming-up a pneumatic clutch actuator
US-10520047-B2 · Dec 31, 2019 · US
Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation
Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation · 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 | F16D2500/7109 |
| Official title | Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation |
| Display label | Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 12 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 5 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Clutch apparatus and method for controlling the clutch apparatus
US-10480597-B2 · Nov 19, 2019 · US
Method for determining and/or controlling a position of an electric motor
US-10385934-B2 · Aug 20, 2019 · US
Controller, control method, and clutch controller
US-2019249727-A1 · Aug 15, 2019 · US
Method for warming-up a pneumatic clutch actuator
US-2019186562-A1 · Jun 20, 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
Drive force transmission apparatus
US-2018361851-A1 · Dec 20, 2018 · US
Clutch apparatus and method for controlling the clutch apparatus
US-2018355929-A1 · Dec 13, 2018 · US
Hydraulic control device and method for vehicle
US-10144281-B2 · Dec 4, 2018 · US
Power system of a series hybrid vehicle
US-10081252-B2 · Sep 25, 2018 · US
Method and apparatus for predicting operating health of a torque converter clutch
US-2018253913-A1 · Sep 6, 2018 · US
Method and Control Unit for Avoiding Failure in the Drivetrain of a Vehicle
US-2018245644-A1 · Aug 30, 2018 · US
Method for controlling a rotating electrical machine on changing from modulation of the full-wave type to pulse-width modulation
US-2018223989-A1 · Aug 9, 2018 · US
Method for configuring a software damper of a clutch control system and software damper for damping chatter vibrations
US-10012275-B2 · Jul 3, 2018 · US
System and method for electrically controllable transmissions
US-10012276-B2 · Jul 3, 2018 · US
System and Method for Electrically Controllable Transmissions
US-2018163796-A1 · Jun 14, 2018 · US
Method of controlling electric current of linear solenoid valve
US-9964163-B2 · May 8, 2018 · US
Operating a drive train of a vehicle having a clutch assembly for distributing torque
US-9926990-B2 · Mar 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D2500/7109?
- CPC F16D2500/7109 is the Cooperative Patent Classification code for “Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation.”
- How many patents are filed under CPC F16D2500/7109 (Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC F16D2500/7109 growing?
- Publication counts under this code: 5 in 2023 vs 6 in 2025 (latest complete years).