H01R 39/06
Other than with external cylindrical contact surface
Official title: other than with external cylindrical contact surface, e.g. flat commutators
H01R39/06 (Other than with external cylindrical contact surface) appears on 116 US grants and 50 published applications in this corpus.
Search patents in H01R- Granted patents
- 116
- Published applications
- 50
- Assignees
- 68
- Inventors
- 229
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 5 |
| 2002 | 5 | 5 |
| 2003 | 7 | 4 |
| 2004 | 8 | 3 |
| 2005 | 3 | 2 |
| 2006 | 4 | 2 |
| 2007 | 2 | 6 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 5 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 0 |
| 2015 | 3 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrode connection structure and detection device9 Sep 2025US 12,413,034 B2KELK Ltd.
- Fluid pump and brush spring retainer thereof14 Nov 2023US 11,817,758 B2Delphi Technologies IP Limited
- Electrode connection structure and detection device7 Nov 2023US 11,811,179 B2KELK Ltd.
- Power connection device16 Jul 2019US 10,352,023 B2Volvo Construction Equipment AB
- Laminate carbon brush for fuel pump motor23 Apr 2019US 10,270,322 B2TRIS Inc.
- Electrode connection structure and detection device25 Jan 2024US 2024/0030669 A1KELK Ltd.
- Electrode connection structure and detection device30 Jun 2022US 2022/0209480 A1KELK Ltd.
- Fluid pump and brush spring retainer thereof24 Mar 2022US 2022/0094235 A1Delphi Technologies IP Limited
- Disk blank for producing commutator bars30 Aug 2018US 2018/0248328 A1Schunk Carbon Technology GmbH
- Commutator for a brush-commutated electric motor having an extended commutation interval7 Jun 2018US 2018/0159286 A1Ac2T Research GmbH
Most cited
By later US patents
- Commutator type rotary electric machine50US 5,608,280 ANippondenso Co., Ltd. · 1997
- Flat commutator and method for its production45US 5,157,299 AKautt & Bux KG · 1992
- Brush holder arrangement of DC motor38US 6,326,716 B1Denso Corporation · 2001
- Carbon commutator28US 5,175,463 AKirkwood Industries · 1992
- Electric motor with carbon track commutator25US 5,955,812 AJoyal Products, Inc. · 1999