H01R 39/58
Means structurally associated with the current collector for indicating condition thereof
Official title: Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear
H01R39/58 (Means structurally associated with the current collector for indicating condition thereof) appears on 149 US grants and 103 published applications in this corpus.
Search patents in H01R- Granted patents
- 149
- Published applications
- 103
- Assignees
- 88
- Inventors
- 224
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 9 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 0 | 2 |
| 2005 | 3 | 5 |
| 2006 | 3 | 3 |
| 2007 | 5 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 7 |
| 2010 | 0 | 1 |
| 2011 | 10 | 5 |
| 2012 | 1 | 1 |
| 2013 | 2 | 9 |
| 2014 | 3 | 8 |
| 2015 | 3 | 8 |
| 2016 | 7 | 5 |
| 2017 | 10 | 4 |
| 2018 | 3 | 6 |
| 2019 | 7 | 6 |
| 2020 | 5 | 9 |
| 2021 | 7 | 2 |
| 2022 | 3 | 6 |
| 2023 | 4 | 3 |
| 2024 | 5 | 3 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shaft contact device5 May 2026US 12,620,300 B2Waynedd Enterprises Ltd
- Slip ring apparatus, yaw system, and wind turbine generator set30 Sep 2025US 12,431,680 B2Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
- System and method for monitoring the status of one or more components of an electrical machine16 Sep 2025US 12,418,151 B2Cutsforth, Inc.
- Brush wear indicator5 Aug 2025US 12,381,365 B2Alexsava Holdings Limited
- System and method for monitoring the status of one or more components of an electrical machine28 Jan 2025US 12,212,210 B2Cutsforth, Inc.
- Carbon brush and method of supplying power to a carbon brush sensor29 May 2025US 2025/0174949 A1
- A shaft contact device24 Apr 2025US 2025/0131813 A1Waynedd Holding Ltd
- System and method for monitoring the status of one or more components of an electrical machine29 Aug 2024US 2024/0291217 A1Cutsforth, Inc.
- System and method for monitoring the status of one or more components of an electrical machine13 Jun 2024US 2024/0195259 A1Cutsforth, Inc.
- Slip ring apparatus, yaw system, and wind turbine generator set29 Feb 2024US 2024/0072503 A1Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
Most cited
By later US patents
- Surgical shaft assemblies with flexible interfaces96US 11,564,686 B2Cilag GmbH International · 2023
- Contact and terminal assembly for a brush wear indicator54US 4,513,495 AGeneral Electric Company · 1985
- Contact and terminal assembly for a brush wear indicator52US 4,420,705 AGeneral Electric Company · 1983
- Brush wear indicator51US 4,024,525 ATowmotor Corporation · 1977
- Apparatus, system and method for determining wear of an article51US 6,359,690 B1Reliance Electric Technologies, LLC · 2002