H02P 23/0086
Arrangements or methods for the control of ac motors characterised by a
Official title: {specially adapted for high speeds, e.g. above nominal speed}
H02P23/0086 (Arrangements or methods for the control of ac motors characterised by a) appears on 85 US grants and 100 published applications in this corpus.
Search patents in H02P- Granted patents
- 85
- Published applications
- 100
- Assignees
- 68
- Inventors
- 261
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 4 |
| 2012 | 4 | 4 |
| 2013 | 4 | 6 |
| 2014 | 5 | 8 |
| 2015 | 4 | 4 |
| 2016 | 3 | 8 |
| 2017 | 11 | 6 |
| 2018 | 8 | 6 |
| 2019 | 7 | 6 |
| 2020 | 4 | 9 |
| 2021 | 4 | 9 |
| 2022 | 9 | 5 |
| 2023 | 6 | 7 |
| 2024 | 7 | 3 |
| 2025 | 2 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Driving circuit for switching elements with controllable driving current12 May 2026US 12,627,216 B2Kabushiki Kaisha Toshiba
- Driving system of a driving motor3 Feb 2026US 12,542,504 B2Hyundai Motor Company
- Battery-driven motor and motor-driven system20 Jan 2026US 12,531,462 B2Jfe Steel Corporation
- Power converter and air conditioner16 Dec 2025US 12,500,510 B2Mitsubishi Electric Corporation
- Systems and methods for control of multi-phase machines15 Jul 2025US 12,362,688 B2Cummins Inc.
- Electric machine, method for producing a mechanical magnetic-field-attenuating mechanism, mechanical magnetic-field-attenuating mechanism, and kit of parts6 Aug 2026US 2026/0229975 A1Schaeffler Technologies AG & Co. KG
- Circular saw30 Oct 2025US 2025/0332755 A1
- Method for controlling an electro-mechanical actuator, electro-mechanical actuation system and wind turbine17 Jul 2025US 2025/0230794 A1Nordex Energy GmbH
- Method of determining a maximum operating speed of an electric motor26 Jun 2025US 2025/0211146 A1Schneider Toshiba Inverter Europe SAS
- Motor drive control circuit, portable fan configured with high-speed three-phase motor, and control method of portable fan22 May 2025US 2025/0163925 A1Shenzhen Jisu Technology Co., Ltd
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 controlling a converter for powering a load23US 8,050,063 B2General Electric Company · 2011
- Brushless motor with rotor position detection compensation caused by induced voltage in rotor19US 5,982,133 AMatsushita Electric Industrial Co., Ltd. · 1999
- Pulse modulated control with field weakening for improved motor efficiency15US 11,623,529 B2Tula eTechnology, Inc. · 2023
- Hybrid drive circuit for variable speed induction motor15US 9,800,188 B2Regal Beloit America, Inc. · 2017