H02K 5/143
For cooperation with commutators
Official title: {for cooperation with commutators}
H02K5/143 (For cooperation with commutators) appears on 955 US grants and 647 published applications in this corpus.
Search patents in H02K- Granted patents
- 955
- Published applications
- 647
- Assignees
- 324
- Inventors
- 1,684
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 14 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 13 | 0 |
| 1983 | 12 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 13 | 0 |
| 1987 | 16 | 0 |
| 1988 | 16 | 0 |
| 1989 | 21 | 0 |
| 1990 | 17 | 0 |
| 1991 | 19 | 0 |
| 1992 | 20 | 0 |
| 1993 | 17 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 20 | 0 |
| 1998 | 20 | 0 |
| 1999 | 29 | 0 |
| 2000 | 21 | 0 |
| 2001 | 25 | 11 |
| 2002 | 26 | 30 |
| 2003 | 27 | 31 |
| 2004 | 41 | 51 |
| 2005 | 46 | 37 |
| 2006 | 25 | 30 |
| 2007 | 20 | 24 |
| 2008 | 20 | 39 |
| 2009 | 21 | 28 |
| 2010 | 26 | 28 |
| 2011 | 25 | 29 |
| 2012 | 17 | 25 |
| 2013 | 21 | 24 |
| 2014 | 20 | 19 |
| 2015 | 17 | 42 |
| 2016 | 21 | 26 |
| 2017 | 27 | 29 |
| 2018 | 25 | 27 |
| 2019 | 30 | 28 |
| 2020 | 28 | 19 |
| 2021 | 25 | 21 |
| 2022 | 23 | 17 |
| 2023 | 18 | 14 |
| 2024 | 12 | 10 |
| 2025 | 15 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-erosion structure having ground structure with brushes into the shaft23 Jun 2026US 12,665,475 B2Hyundai Mobis Co., Ltd.
- Fixing structure of choke coil and motor24 Feb 2026US 12,562,627 B2Mabuchi Motor Co., Ltd.
- Motor with end bell and electrical element holder17 Feb 2026US 12,556,064 B2Mabuchi Motor Co., Ltd.
- Power tool3 Feb 2026US 12,542,468 B2Makita Corporation
- Motor23 Dec 2025US 12,506,381 B2MINEBEA MITSUMI Inc.
- Brush holder and brush holder rigging including same24 Sep 2026US 2026/0291322 A1Doosan Enerbility Co., Ltd.
- Current transfer device for a rotor of an electric machine23 Jul 2026US 2026/0213482 A1Schaeffler Technologies AG & Co. KG
- Electric motor25 Sep 2025US 2025/0300517 A1Panasonic Intellectual Property Management Co., Ltd.
- Motor1 May 2025US 2025/0141298 A1MINEBEA MITSUMI Inc.
- Power tool13 Feb 2025US 2025/0050488 A1Makita Corporation
Most cited
By later US patents
- Motor pack armature support with brush holder assembly153US 5,818,142 ABlack & Decker Inc. · 1998
- Motor brush assembly94US 4,673,837 AAMP Incorporated · 1987
- Brush holder apparatus, brush assembly, and method63US 7,034,430 B2Cutsforth Products, Inc. · 2006
- Angle grinder61US 7,537,065 B2Black & Decker Inc. · 2009
- Commutator-motor gear/drive unit, in particular a window-lift drive for a motor vehicle55US 5,528,093 ASiemens Aktiengesellschaft · 1996