H01R 39/08
Slip-rings
H01R39/08 (Slip-rings) appears on 341 US grants and 332 published applications in this corpus.
Search patents in H01R- Granted patents
- 341
- Published applications
- 332
- Assignees
- 257
- Inventors
- 776
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 7 |
| 2003 | 10 | 12 |
| 2004 | 6 | 6 |
| 2005 | 5 | 3 |
| 2006 | 6 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 2 |
| 2009 | 4 | 5 |
| 2010 | 4 | 3 |
| 2011 | 2 | 7 |
| 2012 | 5 | 9 |
| 2013 | 1 | 4 |
| 2014 | 6 | 18 |
| 2015 | 10 | 38 |
| 2016 | 25 | 16 |
| 2017 | 24 | 21 |
| 2018 | 17 | 24 |
| 2019 | 23 | 23 |
| 2020 | 22 | 20 |
| 2021 | 10 | 22 |
| 2022 | 25 | 26 |
| 2023 | 23 | 14 |
| 2024 | 13 | 13 |
| 2025 | 17 | 21 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Feedback algorithms for manual bailout systems for surgical instruments15 Sep 2026US 12,733,931 B2Cilag GmbH International
- Slip ring device for motor28 Jul 2026US 12,695,364 B2Hyundai Mobis Co., Ltd.
- Rotor comprising a two-part bearing seat30 Jun 2026US 12,671,281 B2Bayerische Motoren Werke Aktiengesellschaft
- Shaft grounding ring and method for production thereof19 May 2026US 12,633,807 B2KACO GmbH + Co. KG
- Systems and methods for bi-directional onboard battery charging functions in separately excited motor drives3 Feb 2026US 12,542,505 B2GM Global Technology Operations LLC
- Rolling brush for electric motor17 Sep 2026US 2026/0280210 A1Schaeffler Technologies AG & Co. KG
- Rotary connector27 Aug 2026US 2026/0254183 A1Eagle Industry Co., Ltd.
- Axial slip ring assembly for an electric motor13 Aug 2026US 2026/0238095 A1GM Global Technology Operations LLC
- Shaft grounding member for rolling bearing, and rolling bearing unit23 Jul 2026US 2026/0210407 A1NSK-Warner K. K.
- Embedded conductive device16 Jul 2026US 2026/0204857 A1Wujiang Tianlong Electronic Machinery Equinpment Co., Ltd.
Most cited
By later US patents
- Modular powered surgical instrument with detachable shaft assemblies1,623US 9,743,929 B2Ethicon, Inc. · 2017
- Feedback algorithms for manual bailout systems for surgical instruments1,521US 10,028,761 B2Ethicon, Inc. · 2018
- Surgical stapling instrument system1,519US 9,750,499 B2Ethicon, Inc. · 2017
- Surgical instrument comprising a rotatable shaft1,314US 10,201,364 B2Ethicon, Inc. · 2019
- Electric outlet assembly with rotary receptacles1,056US 6,302,743 B12001