H02K 23/38
Having winding or connection for improving commutation
Official title: having winding or connection for improving commutation, e.g. equipotential connection
H02K23/38 (Having winding or connection for improving commutation) appears on 49 US grants and 47 published applications in this corpus.
Search patents in H02K- Granted patents
- 49
- Published applications
- 47
- Assignees
- 24
- Inventors
- 116
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 3 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 5 |
| 2010 | 4 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 3 |
| 2013 | 0 | 6 |
| 2014 | 5 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 0 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotor of an electric motor, method for manufacturing a rotor and electric motor12 Aug 2025US 12,388,336 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Rotor assembly and motor having same24 Dec 2024US 12,176,759 B2Guangdong Zhaoqing L&V Co. Ltd.
- Power tool including universal motor having interpoles6 Feb 2024US 11,894,754 B2Milwaukee Electric Tool Corporation
- Brush motor and cooling module using the same21 Sep 2021US 11,128,208 B2Johnson Electric International AG
- Motor22 Jun 2021US 11,043,886 B2Mitsuba Corporation
- Brush direct current electric motor12 Jun 2025US 2025/0192655 A1
- Rotor of an electric motor, method for manufacturing a rotor and electric motor29 Jun 2023US 2023/0208264 A1Brose Fahrzeugteile SE & Co, Kommandigesellschaft, Wurzburg
- Motor19 Jan 2023US 2023/0021176 A1Denso Corporation
- Rotor assembly and motor having same20 Oct 2022US 2022/0337105 A1Guangdong Zhaoqing L&V Co. Ltd.
- Power tool including universal motor having interpoles6 Oct 2022US 2022/0320958 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Short-circuit member for a commutator and an armature41US 7,642,687 B2ASMO Co.LTD · 2010
- Commutator for a dynamo-electric machine and method of manufacture therefor32US 6,057,626 AMitsubishi Denki Kabushiki Kaisha · 2000
- Direct current motor16US 4,404,485 A1983
- Method of connecting commutator bars in a cross-linked commutator having additional parallel paths16US 6,694,599 B1Siemens VDO Automotive Corporation · 2004
- Dynamo-electric machine with commutator assembly14US 6,181,046 B2Mitsubishi Denki Kabushiki Kaisha · 2001