H02P 3/22
By short-circuit or resistive braking
Official title: by short-circuit or resistive braking
H02P3/22 (By short-circuit or resistive braking) appears on 496 US grants and 603 published applications in this corpus.
Search patents in H02P- Granted patents
- 496
- Published applications
- 603
- Assignees
- 291
- Inventors
- 1,308
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 6 |
| 2005 | 2 | 9 |
| 2006 | 3 | 5 |
| 2007 | 8 | 14 |
| 2008 | 13 | 8 |
| 2009 | 5 | 14 |
| 2010 | 5 | 13 |
| 2011 | 10 | 13 |
| 2012 | 17 | 15 |
| 2013 | 13 | 32 |
| 2014 | 19 | 28 |
| 2015 | 30 | 26 |
| 2016 | 18 | 24 |
| 2017 | 34 | 30 |
| 2018 | 24 | 33 |
| 2019 | 25 | 33 |
| 2020 | 29 | 41 |
| 2021 | 36 | 49 |
| 2022 | 43 | 40 |
| 2023 | 35 | 47 |
| 2024 | 39 | 55 |
| 2025 | 43 | 40 |
| 2026 | 29 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Braking control assembly for an aircraft gas turbine engine and method of using same29 Sep 2026US 12,749,993 B2Pratt & Whitney Canada Corp.
- Elevator machine braking22 Sep 2026US 12,744,477 B2Otis Elevator Company
- Elevator machine braking1 Sep 2026US 12,726,143 B2Otis Elevator Company
- Control device for a drive system, drive system, method25 Aug 2026US 12,719,400 B2Robert Bosch GmbH
- Method for operating a vehicle18 Aug 2026US 12,709,164 B2Volkswagen Aktiengesellschaft
- Dynamic brake device20 Aug 2026US 2026/0246399 A1Fanuc Corporation
- Elevator system having enhanced elevator car deceleration13 Aug 2026US 2026/0233971 A1Otis Elevator Company
- Combined induction-type electrical machine and braking arrangement6 Aug 2026US 2026/0225458 A1Volvo Truck Corporation
- Blower30 Jul 2026US 2026/0218717 A1Makita Corporation
- Device and method for motor braking30 Jul 2026US 2026/0221907 A1Techtronic Cordless GP
Most cited
By later US patents
- Method and system for starting a sensorless motor62US 7,652,441 B2International Rectifier Corporation · 2010
- Dynamic braking in controlled current motor drive systems55US 4,039,914 AGeneral Electric Company · 1977
- Dynamic brake control50US 4,761,600 AGeneral Electric Company · 1988
- Variable speed wind turbine having an exciter machine and a power converter not connected to the grid49US 7,425,771 B2Ingeteam, S.A. · 2008
- Gate driver controller and associated discharge method47US 10,924,001 B2Texas Instruments Incorporated · 2021