H02H 7/085
Against excessive load
Official title: against excessive load {(H02H6/00 takes precedence)}
H02H7/085 (Against excessive load) appears on 975 US grants and 616 published applications in this corpus.
Search patents in H02H- Granted patents
- 975
- Published applications
- 616
- Assignees
- 484
- Inventors
- 1,735
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 16 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 10 | 0 |
| 1987 | 17 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 15 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 11 | 0 |
| 1995 | 23 | 0 |
| 1996 | 38 | 0 |
| 1997 | 28 | 0 |
| 1998 | 32 | 0 |
| 1999 | 29 | 0 |
| 2000 | 26 | 0 |
| 2001 | 33 | 3 |
| 2002 | 25 | 27 |
| 2003 | 32 | 31 |
| 2004 | 28 | 30 |
| 2005 | 28 | 32 |
| 2006 | 29 | 23 |
| 2007 | 22 | 37 |
| 2008 | 18 | 44 |
| 2009 | 28 | 22 |
| 2010 | 26 | 18 |
| 2011 | 17 | 14 |
| 2012 | 13 | 10 |
| 2013 | 22 | 19 |
| 2014 | 15 | 23 |
| 2015 | 16 | 28 |
| 2016 | 20 | 22 |
| 2017 | 19 | 20 |
| 2018 | 18 | 23 |
| 2019 | 25 | 24 |
| 2020 | 25 | 47 |
| 2021 | 41 | 26 |
| 2022 | 16 | 34 |
| 2023 | 28 | 19 |
| 2024 | 22 | 16 |
| 2025 | 18 | 7 |
| 2026 | 6 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02H 7/0851For motors actuating a movable member between two end positions467
- H02H 7/0852Directly responsive to abnormal temperature by using a temperature sensor188
- H02H 7/0856Characterised by the protection measure taken118
- H02H 7/0854Responsive to rate of change of current, couple or speed58
- H02H 7/0855Avoiding response to transient overloads43
- H02H 7/0853Specially adapted for motors rotating in both directions17
Recent patents
- Compensation system and method for zero-crossing voltage of back electromotiv force of brushless direct current motor25 Aug 2026US 12,719,394 B2Jiangsu Dongcheng Tools Technology Co., Ltd.
- Hand-held electrically powered cut-off tool with a kickback mitigation function19 May 2026US 12,629,866 B2Husqvarna AB
- Motor overload protection method, motor controller, vehicle, and storage medium19 May 2026US 12,633,862 B2BYD Company Limited
- Safety device, system and method for monitoring an electric motor7 Apr 2026US 12,597,877 B2Pizzato Elettrica S.R. L.
- Hand-held electrically powered cut-off tool with a kickback mitigation function24 Feb 2026US 12,558,814 B2Husqvarna AB
- Position-based auto-stop feature for a power tool24 Sep 2026US 2026/0284819 A1
- Method for monitoring and protecting an electrical hybridisation system against the risk of fire13 Aug 2026US 2026/0233851 A1Safran Electrical & Power
- Motor driver having automatic release protection mechanism and motor driving method thereof6 Aug 2026US 2026/0229874 A1Anpec Electronics Corporation
- Method, program and computer-readable medium for avoiding an unintended fall of a blade of a wind turbine, and energy conversion system23 Jul 2026US 2026/0210328 A1
- Method, apparatus, storage medium and program product for reduced-voltage starting of motor16 Jul 2026US 2026/0205034 A1Schneider Electric Industries SAS
Most cited
By later US patents
- Motor controlled surgical system and method having positional control1,313US 5,602,449 ASmith & Nephew Endoscopy, Inc. · 1997
- Brushless motor1,281US 5,563,481 ASmith & Nephew Endoscopy, Inc. · 1996
- Microprocessor for controlling the speed and frequency of a motor shaft in a power tool1,048US 6,696,814 B2Tyco Electronics Corporation · 2004
- Drive device and method for moving a vehicle part1,003US 6,605,911 B1Webasto Dachsysteme GmbH · 2003
- Motor overload detection with predetermined rotation reversal965US 4,933,800 A1990