H01R 39/54
By use of impedance between brushes or segments
Official title: by use of impedance between brushes or segments
H01R39/54 (By use of impedance between brushes or segments) appears on 19 US grants and 16 published applications in this corpus.
Search patents in H01R- Granted patents
- 19
- Published applications
- 16
- Assignees
- 18
- Inventors
- 54
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling current distribution to electrical brushes used in dynamoelectric machine10 Mar 2026US 12,573,923 B2GE Infrastructure Technology LLC
- Electrical contact device and rotating electric machine including the electrical contact device6 Jun 2023US 11,670,901 B2Denso Corporation
- Driving device and window lift actuator using the same19 Oct 2021US 11,152,841 B2Johnson Electric International AG
- Electric power supply system22 Jan 2019US 10,186,934 B2ExH Corporation
- Power terminal for arcless power connector10 Jul 2018US 10,020,613 B2Te Connectivity Corporation
- System and method for controlling current distribution to electrical brushes used in dynamoelectric machine1 May 2025US 2025/0141323 A1GE Infrastructure Technology LLC
- Electrical contact device and rotating electric machine including the electrical contact device23 Apr 2020US 2020/0127427 A1Denso Corporation
- Driving device and window lift actuator using the same31 Jan 2019US 2019/0036427 A1Johnson Electric International AG
- Power terminal for arcless power connector1 Feb 2018US 2018/0034198 A1Te Connectivity Corporation
- Electric power supply system27 Jul 2017US 2017/0214296 A1ExH Corporation
Most cited
By later US patents
- Miniature motor68US 5,895,990 AJohnson Electric S. A. · 1999
- Electric manual machine tool driven by an electric motor36US 7,196,440 B2Robert Bosch GmbH · 2007
- Integral noise filter within brush of electric motor20US 6,552,467 B1Valeo Electrical Systems, Inc. · 2003
- Commutator10US 6,285,106 B1Igarashi Electric Works Ltd. · 2001
- Varistor disk assembly8US 5,473,212 ABuehler Products, Inc. · 1995