H02K 13/04
Connections between commutator segments and windings
H02K13/04 (Connections between commutator segments and windings) appears on 229 US grants and 145 published applications in this corpus.
Search patents in H02K- Granted patents
- 229
- Published applications
- 145
- Assignees
- 95
- Inventors
- 434
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 4 |
| 2002 | 4 | 11 |
| 2003 | 8 | 9 |
| 2004 | 12 | 9 |
| 2005 | 8 | 9 |
| 2006 | 3 | 7 |
| 2007 | 8 | 8 |
| 2008 | 4 | 9 |
| 2009 | 7 | 8 |
| 2010 | 9 | 3 |
| 2011 | 2 | 4 |
| 2012 | 4 | 2 |
| 2013 | 2 | 9 |
| 2014 | 2 | 8 |
| 2015 | 4 | 5 |
| 2016 | 6 | 8 |
| 2017 | 7 | 6 |
| 2018 | 8 | 8 |
| 2019 | 5 | 1 |
| 2020 | 7 | 3 |
| 2021 | 1 | 5 |
| 2022 | 4 | 4 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power tool28 Oct 2025US 12,456,897 B2Makita Corporation
- Rotor of an electric motor, method for manufacturing a rotor and electric motor12 Aug 2025US 12,388,336 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Brush-commutated DC electric motor with an improved oscillation behavior12 Nov 2024US 12,142,974 B2Maxon International AG
- Brush motor30 Jan 2024US 11,888,360 B2Mabuchi Motor Co., Ltd.
- Electric motor and method for manufacturing electric motor19 Sep 2023US 11,764,658 B2Mitsuba Corporation
- Actuator assembly with through-bore ring contacts and related technology1 Oct 2026US 2026/0302900 A1
- Contact hook and contact arrangement for providing an electric contact to a winding arrangement of an electric machine and method of producing a contact arrangement10 Apr 2025US 2025/0118906 A1Audi AG
- Rotor of an electric motor, method for manufacturing a rotor and electric motor29 Jun 2023US 2023/0208264 A1Brose Fahrzeugteile SE & Co, Kommandigesellschaft, Wurzburg
- Power tool18 May 2023US 2023/0150104 A1Makita Corporation
- Brush-commutated dc electric motor with an improved oscillation behavior19 Jan 2023US 2023/0013171 A1Maxon International AG
Most cited
By later US patents
- Optimized modular electrical machine using permanent magnets65US 7,375,449 B22008
- Angle grinder61US 7,537,065 B2Black & Decker Inc. · 2009
- Brush holder assembly for dynamoelectric machines45US 7,218,028 B2General Electric Company · 2007
- Armature of a rotary electric machine with a commutator and a conductor for the armature coil43US 5,130,596 AHitachi Automotive Engineering Co., Ltd. · 1992
- Method for manufacturing an armature for an electric motor41US 5,727,307 AVacontec · 1998