H02K 11/38
Control circuits or drive circuits associated with geared commutator motors of the
Official title: Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
H02K11/38 (Control circuits or drive circuits associated with geared commutator motors of the) appears on 197 US grants and 202 published applications in this corpus.
Search patents in H02K- Granted patents
- 197
- Published applications
- 202
- Assignees
- 108
- Inventors
- 469
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 7 |
| 2003 | 3 | 8 |
| 2004 | 9 | 12 |
| 2005 | 14 | 11 |
| 2006 | 6 | 12 |
| 2007 | 10 | 8 |
| 2008 | 3 | 2 |
| 2009 | 7 | 8 |
| 2010 | 5 | 3 |
| 2011 | 3 | 5 |
| 2012 | 4 | 11 |
| 2013 | 7 | 8 |
| 2014 | 5 | 10 |
| 2015 | 7 | 8 |
| 2016 | 9 | 7 |
| 2017 | 6 | 12 |
| 2018 | 11 | 9 |
| 2019 | 11 | 10 |
| 2020 | 8 | 6 |
| 2021 | 8 | 13 |
| 2022 | 10 | 17 |
| 2023 | 10 | 3 |
| 2024 | 12 | 6 |
| 2025 | 4 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Brushless dc motor power tool with combined pcb design24 Jul 2025US 2025/0239911 A1Milwaukee Electric Tool Corporation
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Most cited
By later US patents
- Motorized window shade with ultraquiet motor drive and ESD protection126US 6,497,267 B1Lutron Electronics Co., Inc. · 2002
- Electric motor, especially an electric small-power motor for driving wiper systems of motor vehicles62US 5,063,317 ASWF Auto-Electric GmbH · 1991
- Commutator-motor gear/drive unit, in particular a window-lift drive for a motor vehicle55US 5,528,093 ASiemens Aktiengesellschaft · 1996
- Pool cleaning robot53US 8,341,789 B2Maytronics Ltd. · 2013
- Motor having control circuit board for controlling its rotation39US 6,756,711 B2ASMO Co.LTD · 2004