H01R 39/44
Devices for shifting brushes
H01R39/44 (Devices for shifting brushes) appears on 11 US grants and 10 published applications in this corpus.
Search patents in H01R- Granted patents
- 11
- Published applications
- 10
- Assignees
- 11
- Inventors
- 27
- Latest grant
- 16 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Lightning protection system for a wind turbine and wind turbine comprising such a lightning protection system16 Aug 2022US 11,415,111 B2Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Electrical connector for a wind turbine31 Dec 2019US 10,519,937 B2Vestas Wind Systems A/S
- Rail brush assembly with detent10 Apr 2012US 8,154,169 B2Johnson Electric S. A.
- Power tool with integrated auxiliary tool for replacing brushes14 Jun 2011US 7,960,891 B2Robert Bosch GmbH
- Brush assemblies14 Feb 2006US 6,998,754 B2Energy Conversion Systems Holdings, LLC
- Lightning protection system for a wind turbine and wind turbine comprising such a lightning protection system17 Sep 2020US 2020/0291925 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Electrical connector for a wind turbine8 Sep 2016US 2016/0258424 A1Vestas Wind Systems A/S
- Electric motor and electric drive unit for motor vehicles9 Jun 2011US 2011/0133609 A1
- Brush assembly for an electric motor18 Feb 2010US 2010/0038990 A1Johnson Electric S. A.
- Power tool with integrated auxiliary tool for replacing brushes11 Sep 2008US 2008/0218024 A1Robert Bosch GmbH
Most cited
By later US patents
- Starter having brush displaceable to and from commutator29US 6,054,777 ADenso Corporation · 2000
- Direct current motor9US 4,536,669 AMitsubishi Denki Kabushiki Kaisha · 1985
- Rail brush assembly with detent9US 8,154,169 B2Johnson Electric S. A. · 2012
- Brush assemblies5US 6,998,754 B2Energy Conversion Systems Holdings, LLC · 2006
- Double brush assembly4US 6,873,083 B2Johnson Electric S. A. · 2005