H02K 13/006
Structural associations of commutators
Official title: {Structural associations of commutators}
H02K13/006 (Structural associations of commutators) appears on 240 US grants and 232 published applications in this corpus.
Search patents in H02K- Granted patents
- 240
- Published applications
- 232
- Assignees
- 130
- Inventors
- 556
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 5 |
| 2002 | 5 | 10 |
| 2003 | 8 | 7 |
| 2004 | 10 | 16 |
| 2005 | 7 | 6 |
| 2006 | 7 | 10 |
| 2007 | 9 | 9 |
| 2008 | 3 | 3 |
| 2009 | 7 | 7 |
| 2010 | 8 | 4 |
| 2011 | 1 | 5 |
| 2012 | 3 | 10 |
| 2013 | 2 | 10 |
| 2014 | 4 | 7 |
| 2015 | 9 | 22 |
| 2016 | 4 | 10 |
| 2017 | 15 | 23 |
| 2018 | 20 | 18 |
| 2019 | 14 | 7 |
| 2020 | 13 | 3 |
| 2021 | 7 | 10 |
| 2022 | 5 | 10 |
| 2023 | 5 | 7 |
| 2024 | 6 | 5 |
| 2025 | 5 | 4 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contact structure and brush motor16 Jun 2026US 12,658,772 B2Mabuchi Motor Co., Ltd.
- Electric machine with disconnectable brush module, the brush module, and a motor vehicle21 Apr 2026US 12,609,593 B2Audi AG
- Motor with commutator and brushes with contact portions10 Mar 2026US 12,573,902 B2MINEBEA MITSUMI Inc.
- Collection device for collecting electrical currents, and machine comprising a collection device of this kind10 Mar 2026US 12,573,922 B2Schunk Carbon Technology GmbH
- Fixing structure of choke coil and motor24 Feb 2026US 12,562,627 B2Mabuchi Motor Co., Ltd.
- Actuator assembly with through-bore ring contacts and related technology1 Oct 2026US 2026/0302900 A1
- Insulating Disc and Method for Insulating the Brush Area of an Electric Machine2 Jul 2026US 2026/0189111 A1Bayerische Motoren Werke Aktiengesellschaft
- Linear synchronous motor-based gravitational potential energy storage system26 Mar 2026US 2026/0085663 A1
- Food Processing System22 Jan 2026US 2026/0020720 A1SharkNinja Operating LLC
- Electric motor11 Dec 2025US 2025/0379498 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Method of manufacturing rare earth permanent magnet rotor99US 3,979,821 AKollmorgen Corporation · 1976
- Vibration reduction system for an electric motor50US 5,497,039 AGeneral Electric Company · 1996
- Structured product dynamoelectric machine45US 5,113,104 AGeneral Electric Company · 1992
- Electric manual machine tool driven by an electric motor36US 7,196,440 B2Robert Bosch GmbH · 2007
- Direct current motor with crescent shaped brushes35US 5,434,463 ASiemens Electric Limited · 1995