Motor control device and method
US-2022341994-A1 · Oct 27, 2022 · US
PWM with fixed limited number of pulses per period
PWM with fixed limited number of pulses per period · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P2209/09 |
| Official title | PWM with fixed limited number of pulses per period |
| Display label | PWM with fixed limited number of pulses per period |
| Total patents | 95 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 5 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pulse width modulation fan
US-2022326745-A1 · Oct 13, 2022 · US
Current control circuit and input device
US-2021297032-A1 · Sep 23, 2021 · US
Method for controlling a three-phase electrical machine
US-11075600-B2 · Jul 27, 2021 · US
Power converter control device
US-11031898-B2 · Jun 8, 2021 · US
Electric working machine
US-2021091686-A1 · Mar 25, 2021 · US
Time-Spread Control Cycles For Robotic Servomotors
US-2021011460-A1 · Jan 14, 2021 · US
Rotating electrical machine control device
US-2020389115-A1 · Dec 10, 2020 · US
Method of controlling electric oil pump
US-10840847-B2 · Nov 17, 2020 · US
Motor control system
US-2020336091-A1 · Oct 22, 2020 · US
PWM Streaming Serial Interface to Simultaneously Control Multiple BLDC Motors
US-2020328715-A1 · Oct 15, 2020 · US
Power converter control device
US-2020287494-A1 · Sep 10, 2020 · US
Apparatus and method for controlling inverter for driving motor
US-10771003-B2 · Sep 8, 2020 · US
Motor control system
US-10742145-B2 · Aug 11, 2020 · US
Method for controlling a three-phase electrical machine
US-2020169210-A1 · May 28, 2020 · US
Motor control device
US-10630221-B2 · Apr 21, 2020 · US
Pulse width modulation fan
US-2020089290-A1 · Mar 19, 2020 · US
Motor drive device and motor system
US-10581364-B2 · Mar 3, 2020 · US
Apparatus and method for controlling inverter for driving motor
US-2020021227-A1 · Jan 16, 2020 · US
Method of controlling a converter connected to an electric machine
US-10476355-B2 · Nov 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P2209/09?
- CPC H02P2209/09 is the Cooperative Patent Classification code for “PWM with fixed limited number of pulses per period.”
- How many patents are filed under CPC H02P2209/09 (PWM with fixed limited number of pulses per period)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC H02P2209/09 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).