H02P 3/08
For stopping or slowing a dc motor
Official title: for stopping or slowing a DC motor
H02P3/08 (For stopping or slowing a dc motor) appears on 708 US grants and 667 published applications in this corpus.
Search patents in H02P- Granted patents
- 708
- Published applications
- 667
- Assignees
- 445
- Inventors
- 1,547
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 8 |
| 2004 | 5 | 10 |
| 2005 | 8 | 10 |
| 2006 | 11 | 7 |
| 2007 | 5 | 5 |
| 2008 | 3 | 10 |
| 2009 | 5 | 11 |
| 2010 | 3 | 10 |
| 2011 | 9 | 20 |
| 2012 | 10 | 16 |
| 2013 | 16 | 31 |
| 2014 | 20 | 48 |
| 2015 | 45 | 62 |
| 2016 | 42 | 42 |
| 2017 | 46 | 46 |
| 2018 | 41 | 59 |
| 2019 | 40 | 47 |
| 2020 | 45 | 45 |
| 2021 | 40 | 34 |
| 2022 | 35 | 38 |
| 2023 | 34 | 25 |
| 2024 | 29 | 36 |
| 2025 | 35 | 27 |
| 2026 | 18 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveyance system with regenerative drive6 Oct 2026US 12,753,042 B2Otis Elevator Company
- Braking control assembly for an aircraft gas turbine engine and method of using same29 Sep 2026US 12,749,993 B2Pratt & Whitney Canada Corp.
- Control circuit for a direct current motor1 Sep 2026US 12,726,144 B2GM Global Technology Operations LLC
- Method for controlling the rotational speed or the torque of a motor, rotational speed control system and control device25 Aug 2026US 12,715,305 B2AUMOVIO Germany GmbH
- Drive control system, head-mounted display, and drive control method11 Aug 2026US 12,704,732 B2Sony Interactive Entertainment Inc.
- Switching module for a power electronic switching assembly8 Oct 2026US 2026/0312505 A1GE Energy Power Conversion Technology Limited
- Motor controller24 Sep 2026US 2026/0291410 A1Global Mixed-mode Technology Inc.
- Uninterruptible power supply for hvac&r system13 Aug 2026US 2026/0238036 A1Tyco Fire & Security GmbH
- Apparatus and systems for controlled collapse of an exoskeleton6 Aug 2026US 2026/0224428 A1Lifeward Ltd.
- Combined induction-type electrical machine and braking arrangement6 Aug 2026US 2026/0225458 A1Volvo Truck Corporation
Most cited
By later US patents
- Method and device for braking a motor1,159US 7,023,159 B2Black & Decker Inc. · 2006
- State of charge indicator for a battery charger837US 8,796,995 B2Black & Decker Inc. · 2014
- Control circuit for a DC motor460US 9,385,640 B2Johnson Electric S. A. · 2016
- Braking and control circuit for electric power tools133US 6,236,177 B1Milwaukee Electric Tool Corporation · 2001
- Apparatus and method for braking electric motors104US 6,037,729 ABlack & Decker Inc. · 2000