H02H 7/0805
For synchronous motors
Official title: {for synchronous motors}
H02H7/0805 (For synchronous motors) appears on 39 US grants and 34 published applications in this corpus.
Search patents in H02H- Granted patents
- 39
- Published applications
- 34
- Assignees
- 37
- Inventors
- 104
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 5 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 3 |
| 2019 | 4 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor drive device having overvoltage protection circuit23 Dec 2025US 12,506,423 B2Fanuc Corporation
- Method for managing overcurrent protection in a self-controlled synchronous machine with permanent magnets of a motor vehicle15 Oct 2024US 12,119,772 B2Vitesco Technologies GmbH
- Electric machine fault detection scheme22 Nov 2022US 11,509,255 B2Hamilton Sundstrand Corporation
- Protection device23 Aug 2022US 11,424,697 B2Fanuc Corporation
- Protective device for a semiconductor switch of an electric motor of an electromechanical motor vehicle steering system5 Jul 2022US 11,381,194 B2thyssenkrupp AG
- Electric machine for an aircraft, comprising at least one member for protecting against a short circuit between two stator phases, and protection method20 Aug 2026US 2026/0246413 A1Safran Helicopter Engines
- Method for protecting an external circuit from a surge voltage18 Jun 2026US 2026/0171911 A1Mahle International GmbH
- Motor drive device, motor system and vehicle2 Oct 2025US 2025/0309796 A1Rohm Co., Ltd.
- Torque protection mechanism for brushless motors2 Jan 2025US 2025/0007276 A1
- Fault condition handling in an electric vehicle powertrain2 Jan 2025US 2025/0007442 A1Atieva, Inc.
Most cited
By later US patents
- Fault tolerant motor drive arrangement with independent phase connections and monitoring system61US 6,320,731 B1Electric Boat Corporation · 2001
- Protection arrangement for a brushless synchronous machine51US 4,106,069 ASiemens Aktiengesellschaft · 1978
- Synchronous motor protection16US 4,683,411 AGeneral Electric Company · 1987
- Synchronous motor with an electronic control device for adjusting devices in motor vehicles and method for controlling them14US 6,710,562 B1Brose Fahrzeugteile GmbH & Co. KG · 2004
- AC motor controller14US 7,759,888 B2Hitachi, Ltd. · 2010