Current controller and hydraulic system
US-2020362980-A1 · Nov 19, 2020 · US
using pulse width modulation
using pulse width modulation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F2007/1888 |
| Official title | {using pulse width modulation} |
| Display label | using pulse width modulation |
| Total patents | 124 |
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 | 5 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 16 |
| 2020 | 19 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 10 |
| 2024 | 14 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and methods for operating a solenoid valve
US-10837574-B2 · Nov 17, 2020 · US
Current controller and hydraulic system
US-2020357552-A1 · Nov 12, 2020 · US
PWM control for electromagnetic valves
US-10804817-B2 · Oct 13, 2020 · US
Method for operating a hydraulic valve of a hydraulic device of a motor vehicle transmission device as well as a motor vehicle transmission device
US-2020318661-A1 · Oct 8, 2020 · US
Device for operating an electrical consumer, consumer and method
US-10778483-B2 · Sep 15, 2020 · US
Method for actuating a valve
US-10767783-B2 · Sep 8, 2020 · US
Solenoid valve drive control device and solenoid valve comprising solenoid valve drive control device
US-10711912-B2 · Jul 14, 2020 · US
Coil actuator for LV or MV applications
US-10665373-B2 · May 26, 2020 · US
Drive device
US-10640059-B2 · May 5, 2020 · US
Autonomous mode change circuit for solenoid drivers
US-2020135373-A1 · Apr 30, 2020 · US
Solenoid fast shut-off circuit network
US-10637469-B2 · Apr 28, 2020 · US
System and method for energizing a solenoid coil for fast solenoid actuation
US-2020096019-A1 · Mar 26, 2020 · US
Current control device
US-2020089261-A1 · Mar 19, 2020 · US
Coil actuator for low and medium voltage applications
US-2020075212-A1 · Mar 5, 2020 · US
System for driving an inductive load of an appliance
US-2020072376-A1 · Mar 5, 2020 · US
Device for operating an electrical consumer, consumer and method
US-2020059389-A1 · Feb 20, 2020 · US
Method, controller and system for regulating a current of a coil
US-2020035431-A1 · Jan 30, 2020 · US
Control apparatus for linear solenoid
US-2020019196-A1 · Jan 16, 2020 · US
Coil actuator for LV or MV applications
US-10510472-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F2007/1888?
- CPC H01F2007/1888 is the Cooperative Patent Classification code for “using pulse width modulation.”
- How many patents are filed under CPC H01F2007/1888 (using pulse width modulation)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC H01F2007/1888 growing?
- Publication counts under this code: 14 in 2024 vs 7 in 2025 (latest complete years).