H02P 6/04
Arrangements for controlling or regulating the speed or torque of more than
Official title: Arrangements for controlling or regulating the speed or torque of more than one motor (H02P6/10 takes precedence)
H02P6/04 (Arrangements for controlling or regulating the speed or torque of more than) appears on 224 US grants and 260 published applications in this corpus.
Search patents in H02P- Granted patents
- 224
- Published applications
- 260
- Assignees
- 169
- Inventors
- 603
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 3 |
| 2002 | 3 | 7 |
| 2003 | 5 | 6 |
| 2004 | 6 | 5 |
| 2005 | 6 | 5 |
| 2006 | 4 | 1 |
| 2007 | 1 | 6 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 5 |
| 2012 | 2 | 3 |
| 2013 | 6 | 4 |
| 2014 | 1 | 7 |
| 2015 | 7 | 11 |
| 2016 | 5 | 7 |
| 2017 | 7 | 27 |
| 2018 | 16 | 24 |
| 2019 | 32 | 28 |
| 2020 | 19 | 28 |
| 2021 | 21 | 10 |
| 2022 | 16 | 17 |
| 2023 | 12 | 16 |
| 2024 | 11 | 15 |
| 2025 | 9 | 7 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor safety control method and robot for implementing the same26 May 2026US 12,640,667 B2LG Electronics Inc.
- Shared-leg voltage source inverter28 Apr 2026US 12,614,995 B2Intuitive Surgical Operations, Inc.
- Operation of a multi-axis system14 Apr 2026US 12,602,018 B2ABB Schweiz AG
- Methods and systems for synchronizing synchronous motors with electric grid based on detected shaft position14 Apr 2026US 12,603,590 B2Nuovo Pignone Tecnologie Srl
- Driving system31 Mar 2026US 12,592,660 B2Mitsubishi Electric Corporation
- System for operating electric motors1 Oct 2026US 2026/0302973 A1In&Motion
- Motor safety control method and robot for implementing the same10 Sep 2026US 2026/0269752 A1LG Electronics Inc.
- Motor system13 Aug 2026US 2026/0238145 A1Murata Machinery, Ltd.
- Torque-stable two-phase brushless dc motor and control method therefor6 Aug 2026US 2026/0229946 A1Guanyue Aviation Technic (Hangzhou) Co., Ltd.
- Shared-leg voltage source inverter16 Jul 2026US 2026/0205035 A1Intuitive Surgical Operations, Inc.
Most cited
By later US patents
- Injection molding machines having a brushless DC drive system82US 4,988,273 ACincinnati Milacron Inc. · 1991
- Digital motor controller79US 5,350,988 AAlliedSignal Inc. · 1994
- Control system for controlling plural electrical devices66US 6,297,610 B1Bytecraft Research Pty, Ltd. · 2001
- Drive apparatus having at least two electric motors44US 4,289,997 AKeiper Automobiltechnik GmbH & Co. KG · 1981
- Control method and apparatus for controlling motors of air conditioner42US 5,712,540 AFujitsu General Limited · 1998