H02P 5/56
Speed and position comparison between the motors by electrical means
H02P5/56 (Speed and position comparison between the motors by electrical means) appears on 81 US grants and 43 published applications in this corpus.
Search patents in H02P- Granted patents
- 81
- Published applications
- 43
- Assignees
- 68
- Inventors
- 158
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 6 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 2 | 0 |
| 2023 | 3 | 6 |
| 2024 | 3 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shared-leg voltage source inverter28 Apr 2026US 12,614,995 B2Intuitive Surgical Operations, Inc.
- Method for controlling an operating device comprising a master actuator and a slave actuator and associated home automation shading system17 Feb 2026US 12,556,114 B2Som Fy Activites SA
- Force control method and system for multi-motor synchronization28 Oct 2025US 12,456,937 B2Ningbo Gauss Robot Co., Ltd.
- Apparatus and method for the integrated control of a thermal management system25 Mar 2025US 12,261,562 B2Cooper-Standard Automotive Inc.
- Surgical robotic tool multi-motor actuator and controller1 Oct 2024US 12,102,285 B2Verb Surgical Inc.
- Shared-leg voltage source inverter16 Jul 2026US 2026/0205035 A1Intuitive Surgical Operations, Inc.
- Surgical robotic tool multi-motor actuator and controller8 May 2025US 2025/0143537 A1Verb Surgical Inc.
- Method and apparatus for driving plurality of motors having parameter differences20 Feb 2025US 2025/0062705 A1Samsung Electronics Co., Ltd.
- Shared-leg voltage source inverter18 Jul 2024US 2024/0243675 A1Intuitive Surgical Operations, Inc.
- Method for controlling an operating device comprising a master actuator and a slave actuator and associated home automation shading system30 May 2024US 2024/0178769 A1Somfy Activites SA
Most cited
By later US patents
- Multi-shaft driving apparatus and fluid rotary apparatus39US 5,329,216 AMatsushita Electric Industrial Co., Ltd. · 1994
- Synchronous motor drive36US 4,271,384 ASigma Instruments, Inc. · 1981
- Synchronizing windshield wipers29US 5,568,026 AUnited Technologies Motor Systems, Inc. · 1996
- Tape transport control unit25US 4,525,654 AHitachi, Ltd. · 1985
- Printing apparatus25US 6,070,041 AFujitsu Limited · 2000