H02P 21/0021
Using different modes of control depending on a parameter
Official title: {using different modes of control depending on a parameter, e.g. the speed}
H02P21/0021 (Using different modes of control depending on a parameter) appears on 106 US grants and 131 published applications in this corpus.
Search patents in H02P- Granted patents
- 106
- Published applications
- 131
- Assignees
- 84
- Inventors
- 312
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 6 |
| 2012 | 4 | 3 |
| 2013 | 6 | 6 |
| 2014 | 5 | 8 |
| 2015 | 5 | 6 |
| 2016 | 8 | 4 |
| 2017 | 8 | 8 |
| 2018 | 6 | 9 |
| 2019 | 7 | 8 |
| 2020 | 6 | 12 |
| 2021 | 9 | 14 |
| 2022 | 12 | 12 |
| 2023 | 13 | 2 |
| 2024 | 7 | 7 |
| 2025 | 2 | 9 |
| 2026 | 2 | 9 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Control device, control method, and control system29 Sep 2026US 12,749,995 B2Kabushiki Kaisha Toshiba
- Drive device for rotating electric machine and drive method for rotating electric machine27 Jan 2026US 12,537,425 B2Mitsubishi Electric Corporation
- Method and device for controlling linear brakes of remote-controlled model racing cars9 Sep 2025US 12,409,392 B2Shenzhen Hobbywing Technology Co., Ltd.
- Adaptive pulse width modulation overmodulation in three-phase voltage source inverters8 Jul 2025US 12,355,368 B2Karma Automotive LLC
- System and method for electromagnetic pinning and hybrid control of a linear drive system24 Dec 2024US 12,176,783 B2Rockwell Automation Technologies, Inc.
- Forward and reverse rotation control circuit and method for sensorless motor, and motor controller1 Oct 2026US 2026/0302984 A1Crm Icbg (Wuxi) Co., Ltd.
- Electric motor modulation mode switching architecture10 Sep 2026US 2026/0269761 A1Silicon Mobility SAS
- Rotating electrical machine control device27 Aug 2026US 2026/0254384 A1Mitsubishi Electric Corporation
- Powering and controlling an electric brushless motor in a power tool with a dual mode motor control13 Aug 2026US 2026/0238084 A1Robbox Inc.
- Drive device for an electric vehicle, electric vehicle and method for operating a drive device in an electric vehicle23 Jul 2026US 2026/0208598 A1Valeo eAutomotive Germany GmbH
Most cited
By later US patents
- Pulse modulated control with field weakening for improved motor efficiency23US 11,167,648 B1Tula eTechnology, Inc. · 2021
- Systems and methods for electric motor control22US 6,815,925 B2Ballard Power Systems Inc. · 2004
- System and method for motor speed estimation using hybrid model reference adaptive system17US 7,193,387 B1Rockwell Automation Technologies, Inc. · 2007
- Alternating current machine with increased torque above and below rated speed for hybrid electric propulsion systems16US 8,183,814 B22012
- Method and apparatus to limit motor current at low frequencies15US 6,690,139 B1Rockwell Automation Technologies, Inc. · 2004