H02P 2209/09
Pwm with fixed limited number of pulses per period
Official title: PWM with fixed limited number of pulses per period
H02P2209/09 (Pwm with fixed limited number of pulses per period) appears on 46 US grants and 59 published applications in this corpus.
Search patents in H02P- Granted patents
- 46
- Published applications
- 59
- Assignees
- 47
- Inventors
- 139
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 8 | 5 |
| 2020 | 5 | 8 |
| 2021 | 4 | 5 |
| 2022 | 5 | 8 |
| 2023 | 5 | 1 |
| 2024 | 4 | 6 |
| 2025 | 5 | 4 |
| 2026 | 1 | 6 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reduction of current ripple due to MOSFET switching delays in PWM-based drives17 Feb 2026US 12,556,115 B2Woodward, Inc.
- High-integrity actuator controller and control systems11 Nov 2025US 12,470,157 B2Honeywell International Inc.
- Dimmable light control system23 Sep 2025US 12,424,954 B2STMicroelectronics (Grenoble 2) SAS
- Control method for stepping motor of thermal printer2 Sep 2025US 12,407,281 B2Zhuhai Xprinter Electronics Technology Co., Ltd.
- Electric motor control method, electric motor, and computer-readable storage medium8 Jul 2025US 12,355,376 B2Foshan Welling Washer Motor Manufacturing Co., Ltd.
- Motor drive control device, motor unit, and motor drive control method2 Jul 2026US 2026/0189166 A1MINEBEA MITSUMI Inc.
- Nvh control method of tandem motor system21 May 2026US 2026/0140182 A1Zhejiang Siekon Transmission Technology Co., Ltd.
- Driving method and apparatus for brushless electric motor, and device30 Apr 2026US 2026/0121559 A1Xuxin Technology (Shenzhen) Group Co., Ltd
- Vector control for a multi-phase system16 Apr 2026US 2026/0106561 A1Infineon Technologies AG
- AC Motor Control Device2 Apr 2026US 2026/0095115 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Optimized switched reluctance phase current control in a continuous conduction mode32US 10,476,421 B1Caterpillar Inc. · 2019
- Rejection of power supply variations for gain error cancellation in pulse-width-modulated motor controllers10US 7,092,197 B2Texas Instruments Incorporated · 2006
- Rotating electrical machine control device7US 11,258,391 B2Aisin Aw Co., Ltd. · 2022
- Propulsion control apparatus for electric vehicle6US 8,615,341 B2Mitsubishi Electric Corporation · 2013
- Inverter control device4US 10,461,681 B2Denso Corporation · 2019