H01R 39/22
Incorporating lubricating or polishing ingredient
Official title: incorporating lubricating or polishing ingredient
H01R39/22 (Incorporating lubricating or polishing ingredient) appears on 41 US grants and 34 published applications in this corpus.
Search patents in H01R- Granted patents
- 41
- Published applications
- 34
- Assignees
- 32
- Inventors
- 93
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 6 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 4 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods to mitigate electrical voltage on a rotating shaft immersed in oil18 Feb 2025US 12,231,007 B2Illinois Tool Works Inc.
- Slip ring assembly with paired power transmission bands5 Mar 2024US 11,923,646 B2Cr Flight L.L.C.
- Rotary electronic component as slip ring24 Oct 2023US 11,799,258 B2Tsubame Radio Co., Ltd
- Metal graphite grounding brush mainly composed of silver and method for producing same19 Sep 2023US 11,764,532 B2TRIS Inc.
- Slipring with wear monitoring23 May 2023US 11,658,449 B2Schleifring GmbH
- Grounding brush, a grounding brush unit and a device2 Apr 2026US 2026/0095079 A1
- Systems and methods to mitigate electrical voltage on a rotating shaft immersed in oil17 Jul 2025US 2025/0233493 A1Illinois Tool Works Inc.
- Rotary electronic component15 Jun 2023US 2023/0187886 A1Tsubame Radio Co., Ltd
- Metal graphite grounding brush mainly composed of silver and method for producing same5 Jan 2023US 2023/0006405 A1TRIS Inc.
- Slip ring assembly with paired power transmission bands7 Apr 2022US 2022/0109278 A1Cr Flight L.L.C.
Most cited
By later US patents
- Fiber brush slip ring assembly34US 4,398,113 ALitton Systems, Inc. · 1983
- Management of contact spots between an electrical brush and substrate25US 6,753,635 B2Hi Per Con · 2004
- Continuous metal fiber brushes23US 6,245,440 B1University of Virginia · 2001
- Intercalated graphite containing electrical motor brushes and other contacts21US 4,799,957 AIntercal Company · 1989
- Sliding-type electric component having carbon fiber contact16US 6,794,984 B2Alps Electric Co., Ltd. · 2004