H02K 23/30
Having lap or loop windings
Official title: having lap or loop windings
H02K23/30 (Having lap or loop windings) appears on 119 US grants and 111 published applications in this corpus.
Search patents in H02K- Granted patents
- 119
- Published applications
- 111
- Assignees
- 50
- Inventors
- 218
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 7 |
| 2003 | 3 | 4 |
| 2004 | 4 | 9 |
| 2005 | 5 | 6 |
| 2006 | 7 | 7 |
| 2007 | 6 | 8 |
| 2008 | 2 | 6 |
| 2009 | 6 | 8 |
| 2010 | 5 | 5 |
| 2011 | 5 | 5 |
| 2012 | 6 | 6 |
| 2013 | 3 | 4 |
| 2014 | 7 | 8 |
| 2015 | 4 | 4 |
| 2016 | 5 | 4 |
| 2017 | 6 | 5 |
| 2018 | 4 | 3 |
| 2019 | 8 | 5 |
| 2020 | 2 | 1 |
| 2021 | 5 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Direct-current motor16 Dec 2025US 12,500,471 B2Denso Corporation
- Rotor of an electric motor, method for manufacturing a rotor and electric motor12 Aug 2025US 12,388,336 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Brush-commutated DC electric motor with an improved oscillation behavior12 Nov 2024US 12,142,974 B2Maxon International AG
- Electric motor, generator and commutator system, device and method22 Aug 2023US 11,735,971 B1Turboroto, Inc.
- Electric motor, generator and commutator system, device and method30 Aug 2022US 11,431,216 B1Turboroto, Inc.
- Direct-current motor15 Feb 2024US 2024/0055927 A1Denso Corporation
- Rotor of an electric motor, method for manufacturing a rotor and electric motor29 Jun 2023US 2023/0208264 A1Brose Fahrzeugteile SE & Co, Kommandigesellschaft, Wurzburg
- Brush-commutated dc electric motor with an improved oscillation behavior19 Jan 2023US 2023/0013171 A1Maxon International AG
- Brushed electric motor/generator5 Jan 2023US 2023/0006484 A1Linear Labs, Inc.
- Direct current motor5 Aug 2021US 2021/0242762 A1University of Shanghai for Science and Technology
Most cited
By later US patents
- Angle grinder61US 7,537,065 B2Black & Decker Inc. · 2009
- Small motor with improved connecting structure between coil, riser and varistor55US 6,285,109 B1Kabushiki Kaisha Sankyo Seiki Seisakusho · 2001
- Direct current motor with double layer armature windings25US 4,197,475 A1980
- Methods for producing dynamo-electric machine armatures with improved balance24US 5,572,787 AAxis USA, Inc. · 1996
- Direct current motor with double layer armature windings21US 4,227,107 A1980