H01R 39/14
Fastenings of commutators or slip-rings to shafts
H01R39/14 (Fastenings of commutators or slip-rings to shafts) appears on 78 US grants and 43 published applications in this corpus.
Search patents in H01R- Granted patents
- 78
- Published applications
- 43
- Assignees
- 58
- Inventors
- 170
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 7 |
| 2003 | 2 | 2 |
| 2004 | 4 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 2 | 4 |
| 2016 | 1 | 0 |
| 2017 | 3 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 2 |
| 2022 | 4 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotating brushes for electric motors1 Apr 2025US 12,266,987 B1
- Electric machine and motor vehicle10 Oct 2023US 11,784,543 B2Bayerische Motoren Werke Aktiengesellschaft
- Slip ring assembly6 Sep 2022US 11,437,896 B2Saint-Augustin Canada Electric Inc.
- Slipring housing with bayonet lock28 Jun 2022US 11,374,355 B2Schleifring GmbH
- Conductive slip ring26 Apr 2022US 11,316,314 B2Luxshare Precision Industry Co., Ltd.
- Embedded conductive device16 Jul 2026US 2026/0204857 A1Wujiang Tianlong Electronic Machinery Equinpment Co., Ltd.
- Plane slip ring, rotating conductive assembly and telescopic data cable assembly19 Jun 2025US 2025/0202180 A1Dongguan Ceesing Intelligent Device Manufacturing Co., Ltd
- Rotating brushes for electric motors3 Apr 2025US 2025/0112529 A1
- Electric Machine and Motor Vehicle9 Feb 2023US 2023/0043493 A1Bayerische Motoren Werke Aktiengesellschaft
- Slipring housing with bayonet lock31 Mar 2022US 2022/0102912 A1Schleifring GmbH
Most cited
By later US patents
- Method of fabricating a slip ring component1,014US 9,021,684 B2Tyco Electronics Corporation · 2015
- Annular molded article secured to a shaft33US 4,376,254 AGeneral Motors Corporation · 1983
- Brush-holder for electrical machines28US 4,475,053 ARobert Bosch GmbH · 1984
- Wire module and method of producing same24US 6,386,917 B1Yazaki Corporation · 2002
- Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion24US 6,946,758 B2Black & Decker Inc. · 2005