H02P 1/029
Restarting
Official title: {Restarting, e.g. after power failure}
H02P1/029 (Restarting) appears on 116 US grants and 122 published applications in this corpus.
Search patents in H02P- Granted patents
- 116
- Published applications
- 122
- Assignees
- 98
- Inventors
- 280
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 6 |
| 2008 | 3 | 5 |
| 2009 | 1 | 2 |
| 2010 | 6 | 1 |
| 2011 | 2 | 6 |
| 2012 | 4 | 6 |
| 2013 | 6 | 3 |
| 2014 | 6 | 1 |
| 2015 | 0 | 14 |
| 2016 | 6 | 10 |
| 2017 | 11 | 6 |
| 2018 | 9 | 3 |
| 2019 | 4 | 13 |
| 2020 | 9 | 10 |
| 2021 | 3 | 5 |
| 2022 | 12 | 8 |
| 2023 | 8 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power tool and control method therefor28 Jul 2026US 12,695,401 B2Nanjing Chervon Industry Co., Ltd.
- Control method, control apparatus and control system for eletric motor, and computer-readable storage medium and air conditioner13 Jan 2026US 12,525,908 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Method for controlling direct drive transmission system and related device9 Sep 2025US 12,413,166 B2AAC Microtech (Changzhou) Co., Ltd.
- Method of controlling a brushless permanent-magnet motor11 Feb 2025US 12,224,698 B2Dyson Technology Limited
- Motor flying start using field weakening control24 Dec 2024US 12,176,837 B2Rockwell Automation Technologies, Inc.
- Motor driver with fail-startup fast restarting mechanism6 Aug 2026US 2026/0230010 A1Anpec Electronics Corporation
- Method for Starting an EC Motor, Assembly, Tool, and Devices25 Jun 2026US 2026/0180477 A1Andreas Stihl AG & CO.KG
- Vehicle control unit and vehicle control method5 Feb 2026US 2026/0038316 A1Isuzu Motors Limited
- Motor health monitoring25 Dec 2025US 2025/0388331 A1Beta Air, LLC
- Method of controlling motor restart in sensorless control in a power tool25 Dec 2025US 2025/0392240 A1Black & Decker Inc.
Most cited
By later US patents
- Method and system for ride-through of an adjustable speed drive for voltage sags and short-term power interruption73US 6,005,362 AThe Texas A&M University Systems · 1999
- Method and system for starting a sensorless motor62US 7,652,441 B2International Rectifier Corporation · 2010
- Method of restarting induction motor and apparatus for carrying out the same53US 4,409,533 AMitsubishi Denki Kabushiki Kaisha · 1983
- Method and apparatus for controlling AC motor39US 4,451,112 AHitachi, Ltd. · 1984
- Control method and apparatus for insufficient input voltage in an AC drive39US 6,313,600 B1Robicon Corporation · 2001