H02K 3/38
Around winding heads, equalising connectors, or connections thereto
Official title: around winding heads, equalising connectors, or connections thereto
H02K3/38 (Around winding heads, equalising connectors, or connections thereto) appears on 566 US grants and 633 published applications in this corpus.
Search patents in H02K- Granted patents
- 566
- Published applications
- 633
- Assignees
- 240
- Inventors
- 1,494
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 6 |
| 2002 | 12 | 5 |
| 2003 | 7 | 4 |
| 2004 | 3 | 9 |
| 2005 | 5 | 7 |
| 2006 | 7 | 9 |
| 2007 | 3 | 11 |
| 2008 | 3 | 12 |
| 2009 | 11 | 10 |
| 2010 | 5 | 9 |
| 2011 | 5 | 11 |
| 2012 | 4 | 20 |
| 2013 | 13 | 34 |
| 2014 | 13 | 35 |
| 2015 | 14 | 53 |
| 2016 | 28 | 52 |
| 2017 | 32 | 33 |
| 2018 | 41 | 33 |
| 2019 | 50 | 58 |
| 2020 | 46 | 51 |
| 2021 | 43 | 44 |
| 2022 | 38 | 36 |
| 2023 | 30 | 29 |
| 2024 | 34 | 26 |
| 2025 | 21 | 20 |
| 2026 | 18 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems for eccentric annular cover for stator end windings23 Jun 2026US 12,665,456 B2BorgWarner Luxembourg Automotive Systems SA
- Arrangement of a contact element on free coil conductor ends of an electric machine, electric machine for a motor vehicle, method for providing a contact element for an electric machine, and motor vehicle23 Jun 2026US 12,665,457 B2Bayerische Motoren Werke Aktiengesellschaft
- Rotating electrical machine wiring component and rotating electrical machine wiring component manufacturing method23 Jun 2026US 12,665,460 B2Proterial, Ltd.
- DC brushless motor16 Jun 2026US 12,658,756 B2Greenworks (Jiangsu) Co., Ltd.
- Stator, method for manufacturing stator, and brushless motor19 May 2026US 12,633,793 B2Panasonic Intellectual Property Management Co., Ltd.
- Motor and rotor assembly24 Sep 2026US 2026/0291316 A1Greenworks (Jiangsu) Co., Ltd.
- Stator, radial flux double-rotor machine and method of manufacture13 Aug 2026US 2026/0238066 A1DeepDrive GmbH
- Rotating electrical machine6 Aug 2026US 2026/0229947 A1Aisin Corporation
- Rotary electrical machine6 Aug 2026US 2026/0229949 A1Aisin Corporation
- Rotating electrical machine30 Jul 2026US 2026/0221830 A1Aisin Corporation
Most cited
By later US patents
- Materials and impregnating compositions for insulating electric machines95US 4,160,926 AThe Epoxylite Corporation · 1979
- Stator with molded encasement for small motors and manufacturing process therefor88US 6,075,304 AAlon, Inc. · 2000
- Permanent-magnet revolving electrodynamic machine with a concentrated winding stator64US 6,335,582 B12002
- Stator assembly52US 6,362,554 B1Encap Motor Corporation · 2002
- Electric rotary machine with toroidal windings on an annular stator core48US 4,563,606 AHitachi, Ltd. · 1986