H02P 23/20
Controlling the acceleration or deceleration
H02P23/20 (Controlling the acceleration or deceleration) appears on 210 US grants and 203 published applications in this corpus.
Search patents in H02P- Granted patents
- 210
- Published applications
- 203
- Assignees
- 156
- Inventors
- 498
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 9 |
| 2008 | 5 | 4 |
| 2009 | 3 | 4 |
| 2010 | 4 | 2 |
| 2011 | 4 | 4 |
| 2012 | 3 | 9 |
| 2013 | 9 | 9 |
| 2014 | 8 | 13 |
| 2015 | 6 | 5 |
| 2016 | 9 | 3 |
| 2017 | 8 | 6 |
| 2018 | 5 | 17 |
| 2019 | 17 | 19 |
| 2020 | 10 | 14 |
| 2021 | 17 | 17 |
| 2022 | 11 | 9 |
| 2023 | 13 | 14 |
| 2024 | 13 | 10 |
| 2025 | 8 | 14 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- AC-to-DC converter and variable-frequency drive22 Sep 2026US 12,744,483 B2Inner Energy Technology Co., Ltd.
- Electric working machine8 Sep 2026US 12,729,511 B2Kubota Corporation
- Motor control system, motor control method, and non-transitory storage medium8 Sep 2026US 12,732,124 B2Toyota Jidosha Kabushiki Kaisha
- Hand-held electrically powered cut-off tool with a kickback mitigation function19 May 2026US 12,629,866 B2Husqvarna AB
- Motor rotational speed control system and method having duty cycle variable modulation mechanism5 May 2026US 12,620,921 B2Anpec Electronics Corporation
- Method for Controlling an Electric Drive Machine of a Motor Vehicle, Control Device for a Drive Machine, and Motor Vehicle1 Oct 2026US 2026/0302990 A1Bayerische Motoren Werke Aktiengesellschaft
- Motor control device24 Sep 2026US 2026/0291413 A1Fanuc Corporation
- Control device for an electric machine, and associated method, electric machine and motor vehicle16 Jul 2026US 2026/0200336 A1Ampere S.A.S.
- Motor control apparatus and image forming apparatus2 Jul 2026US 2026/0189167 A1Canon Kabushiki Kaisha
- Torque limiter and counter torque device and system11 Jun 2026US 2026/0158628 A1C-Torq, LLC
Most cited
By later US patents
- Motor controller having a multifunction port1,043US 7,747,146 B2Allegro MicroSystems, LLC · 2010
- Method for setting parameters of electronically-commutated motor for use as permanent-split capacitor motor83US 9,270,221 B2Zhongshan Broad-Ocean Motor Co., Ltd. · 2016
- Air assistance apparatus providing fast rise and fall of pressure within one patient's breath74US 7,448,383 B2Kaerys S.A. · 2008
- Method and system for prevention of motor reversal53US 8,587,230 B2Black & Decker Inc. · 2013
- Deceleration apparatus for motor and drive circuit for use in motor deceleration apparatus or control apparatus for use in sewing machine43US 5,151,637 AHitachi, Ltd. · 1992