H02H 7/0811
For dc motors
Official title: {for DC motors (H02H7/0833 takes precedence)}
H02H7/0811 (For dc motors) appears on 47 US grants and 30 published applications in this corpus.
Search patents in H02H- Granted patents
- 47
- Published applications
- 30
- Assignees
- 47
- Inventors
- 111
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 4 |
| 2013 | 0 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 0 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 4 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for operating an electric machine, device for operating an electric machine, and electric drive system11 Nov 2025US 12,470,161 B2Robert Bosch GmbH
- High-safety electric capstan20 May 2025US 12,304,783 B2Ningbo Chima Winch Co., Ltd.
- Method for protecting motor from overheating25 Feb 2025US 12,237,794 B2Zhongshan Broad-Ocean Motor Co., Ltd.
- Protection circuit for an electric motor with a single-phase winding, an electric centrifugal pump and an oil mist separator with such a protection circuit21 Jan 2025US 12,206,354 B2Bühler Motor GmbH
- Tiered electronic protection systems for aerial vehicles23 Apr 2024US 11,967,818 B1Amazon Technologies, Inc.
- Power conditioning system for reduced-voltage soft starters configured to operate with long shielded load cables18 Dec 2025US 2025/0385624 A1Eaton Intelligent Power Limited
- In-vehicle interrupting current supply device15 May 2025US 2025/0158387 A1Autonetworks Technologies, Ltd.
- Torque protection mechanism for brushless motors2 Jan 2025US 2025/0007276 A1
- Method for operating an electric machine, device for operating an electric machine, and electric drive system25 Jan 2024US 2024/0030847 A1Robert Bosch GmbH
- Method for protecting motor from overheating21 Dec 2023US 2023/0412111 A1Zhongshan Broad-Ocean Motor Co., Ltd.
Most cited
By later US patents
- Electronically programmable universal brushless DC fan with integral tracking and locked rotor protection58US 4,656,553 AComair Rotron, Inc. · 1987
- Brushless d.c. motor having rotor position-dependent control means50US 4,030,005 APapst-Motoren GmbH & Co. KG · 1977
- Self-protective fuel pump driver circuit41US 4,809,122 ABrunswick Corporation · 1989
- DC motor control with periodic reset36US 5,590,235 APapst-Motoren GmbH & Co. KG · 1996
- Pressure responsive pump control system having an alarm lamp30US 4,525,125 AMitsubishi Denki Kabushiki Kaisha · 1985