H02K 11/33
Drive circuits
Official title: Drive circuits, e.g. power electronics (H02K11/38 takes precedence)
H02K11/33 (Drive circuits) appears on 4,283 US grants and 5,431 published applications in this corpus.
Search patents in H02K- Granted patents
- 4,283
- Published applications
- 5,431
- Assignees
- 1,482
- Inventors
- 9,809
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 18 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 26 | 0 |
| 1998 | 33 | 0 |
| 1999 | 36 | 0 |
| 2000 | 42 | 0 |
| 2001 | 45 | 12 |
| 2002 | 44 | 43 |
| 2003 | 33 | 62 |
| 2004 | 55 | 57 |
| 2005 | 33 | 54 |
| 2006 | 52 | 65 |
| 2007 | 38 | 63 |
| 2008 | 41 | 59 |
| 2009 | 37 | 67 |
| 2010 | 50 | 100 |
| 2011 | 57 | 95 |
| 2012 | 57 | 129 |
| 2013 | 73 | 150 |
| 2014 | 96 | 148 |
| 2015 | 117 | 181 |
| 2016 | 115 | 259 |
| 2017 | 140 | 283 |
| 2018 | 217 | 323 |
| 2019 | 325 | 416 |
| 2020 | 330 | 433 |
| 2021 | 302 | 408 |
| 2022 | 317 | 467 |
| 2023 | 332 | 451 |
| 2024 | 450 | 419 |
| 2025 | 416 | 395 |
| 2026 | 235 | 292 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Brushless motor6 Oct 2026US 12,756,264 B2Mabuchi Motor Co., Ltd.
- Power electronic systems and electric drive train systems having multiple modes of operation6 Oct 2026US 12,756,272 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Rotating electrical machine6 Oct 2026US 12,756,273 B2Mitsubishi Electric Corporation
- Electric motor of a motor vehicle6 Oct 2026US 12,756,275 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Motor control unit, electric drive assembly and vehicle6 Oct 2026US 12,756,277 B2Xiaomi EV Technology Co., Ltd.
- Drive Device for a Joint of a Robot Arm, Associated Robot Arm, and Corresponding Rotary Feedthrough8 Oct 2026US 2026/0307240 A1KUKA Deutschland GmbH
- Electric motor with improved assembly8 Oct 2026US 2026/0312456 A1
- Engine cooling fan motor for vehicle8 Oct 2026US 2026/0312466 A1New Motech Co., Ltd.
- Rotor, separately excited synchronous machine and motor vehicle8 Oct 2026US 2026/0312469 A1
- Motor drive device and motor drive device unit8 Oct 2026US 2026/0312470 A1Fanuc Corporation
Most cited
By later US patents
- Orthopedic surgical device2,191US 5,553,675 AMinnesota Mining and Manufacturing Company · 1996
- Powered surgical tool with control module that contains a sensor for remotely monitoring the tool power generating unit1,623US 7,638,958 B2Stryker Corporation · 2009
- Method of mixing bone cement with a power tool including monitoring the mixing of the cement based on data regarding characteristics of components forming the cement and the current drawn by the power tool1,247US 8,657,482 B2Stryker Corporation · 2014
- Rechargeable battery adapted to be attached to orthopedic device1,170US 5,792,573 A1998
- Systems, devices, and/or methods for rotating a vehicle lamp1,155US 7,994,670 B2Beijing Jingwei Hirain Technologies Co., Inc. · 2011