H02P 5/68
Controlling two or more dc dynamo-electric motors
Official title: controlling two or more DC dynamo-electric motors (H02P5/46, H02P5/60 take precedence)
H02P5/68 (Controlling two or more dc dynamo-electric motors) appears on 281 US grants and 247 published applications in this corpus.
Search patents in H02P- Granted patents
- 281
- Published applications
- 247
- Assignees
- 240
- Inventors
- 624
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 3 |
| 2002 | 3 | 2 |
| 2003 | 4 | 9 |
| 2004 | 6 | 11 |
| 2005 | 9 | 7 |
| 2006 | 5 | 8 |
| 2007 | 8 | 6 |
| 2008 | 3 | 7 |
| 2009 | 5 | 7 |
| 2010 | 8 | 6 |
| 2011 | 2 | 9 |
| 2012 | 4 | 8 |
| 2013 | 8 | 8 |
| 2014 | 7 | 18 |
| 2015 | 16 | 11 |
| 2016 | 6 | 11 |
| 2017 | 12 | 13 |
| 2018 | 14 | 11 |
| 2019 | 6 | 9 |
| 2020 | 8 | 14 |
| 2021 | 13 | 23 |
| 2022 | 13 | 10 |
| 2023 | 13 | 13 |
| 2024 | 11 | 5 |
| 2025 | 12 | 14 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Predictive voltage boost for active electric motor damping8 Sep 2026US 12,732,121 B2Fca US LLC
- Conveyor system, motor-roller controller and method for operating a conveyor system25 Aug 2026US 12,715,697 B2Industrial Software
- System and method for shifting operation modes of variable flux memory motors5 May 2026US 12,620,920 B2Jacobi Motors, LLC
- Shared-leg voltage source inverter28 Apr 2026US 12,614,995 B2Intuitive Surgical Operations, Inc.
- Pairing feature for driving DC motors with parallel capacitors in overcurrent recovery mode23 Dec 2025US 12,506,425 B2Infineon Technologies AG
- Side mirror assembly for vehicle20 Aug 2026US 2026/0241863 A1SL Mirrortech Corporation
- Side mirror assembly for vehicle30 Jul 2026US 2026/0217189 A1SL Mirrortech Corporation
- Shared-leg voltage source inverter16 Jul 2026US 2026/0205035 A1Intuitive Surgical Operations, Inc.
- Information processing terminal and printer12 Feb 2026US 2026/0042303 A1Toshiba Tec Kabushiki Kaisha
- Distributed robot controller18 Dec 2025US 2025/0381661 A1
Most cited
By later US patents
- Series redundant drive system1,219US 3,950,686 ATRW Inc. · 1976
- Microprocessor controlled arthroscopic surgical system1,195US 5,077,506 ADyonics, Inc. · 1991
- Method and system for multiple servo motor control629US 7,038,421 B2International Business Machines Corporation · 2006
- Low current compensation control for thyristor armature power supply107US 5,451,846 AAEG Automation Systems Corporation · 1995
- Myoelectrically controlled artificial hand91US 4,623,354 ANorthwestern University · 1986