H01R 43/12
Manufacture of brushes
H01R43/12 (Manufacture of brushes) appears on 87 US grants and 70 published applications in this corpus.
Search patents in H01R- Granted patents
- 87
- Published applications
- 70
- Assignees
- 66
- Inventors
- 196
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 1 | 3 |
| 2003 | 1 | 3 |
| 2004 | 3 | 3 |
| 2005 | 4 | 6 |
| 2006 | 2 | 3 |
| 2007 | 2 | 3 |
| 2008 | 3 | 3 |
| 2009 | 3 | 8 |
| 2010 | 2 | 0 |
| 2011 | 4 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 4 | 4 |
| 2017 | 3 | 4 |
| 2018 | 3 | 6 |
| 2019 | 6 | 2 |
| 2020 | 1 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Methods for mounting and replacing brushes15 Nov 2022US 11,502,468 B2Wabtec Holding Corp.
- Magnetic sensor and method of manufacturing the same20 Jul 2021US 11,067,648 B2TDK Corporation
- Resin bonded carbonaceous brush and method of manufacturing the same26 Jan 2021US 10,903,613 B2Totan Kako Co. Ltd.
- Method of producing a brush1 Oct 2026US 2026/0302708 A1
- Metal graphite grounding brush mainly composed of silver and method for producing same5 Jan 2023US 2023/0006405 A1TRIS Inc.
- Carbon brush and production method11 Mar 2021US 2021/0075172 A1Schunk Carbon Technology GmbH
- Carbon brush and production method29 Oct 2020US 2020/0343679 A1Schunk Carbon Technology GmbH
- Device and method for producing a compression moulded body22 Oct 2020US 2020/0331223 A1Schunk Kohlenstofftechnik GmbH
Most cited
By later US patents
- Brush holder for dynamoelectric machines35US 4,694,214 AUnited Technologies Electro Systems, Inc. · 1987
- Carbon brush and fastening a braided indicator wire therein29US 5,488,261 ASchunk Kohlenstofftechnik GmbH · 1996
- Carbon fiber electrical contact mounting for rotating elements29US 5,812,908 AXerox Corporation · 1998
- 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