H02K 3/505
For large machine windings
Official title: {for large machine windings, e.g. bar windings (H02K3/51 takes precedence)}
H02K3/505 (For large machine windings) appears on 265 US grants and 177 published applications in this corpus.
Search patents in H02K- Granted patents
- 265
- Published applications
- 177
- Assignees
- 104
- Inventors
- 571
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 5 | 3 |
| 2003 | 6 | 7 |
| 2004 | 4 | 5 |
| 2005 | 13 | 8 |
| 2006 | 3 | 8 |
| 2007 | 5 | 5 |
| 2008 | 8 | 2 |
| 2009 | 5 | 5 |
| 2010 | 3 | 4 |
| 2011 | 5 | 5 |
| 2012 | 4 | 10 |
| 2013 | 5 | 8 |
| 2014 | 2 | 5 |
| 2015 | 7 | 7 |
| 2016 | 5 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 12 |
| 2019 | 11 | 5 |
| 2020 | 6 | 17 |
| 2021 | 11 | 16 |
| 2022 | 14 | 18 |
| 2023 | 7 | 6 |
| 2024 | 14 | 5 |
| 2025 | 8 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for mounting form-wound coils or tooth-wound coils28 Apr 2026US 12,614,957 B2Flender GmbH
- Electrical conductor cooled by phase change material and method for the manufacture thereof24 Feb 2026US 12,562,611 B2Safran
- Stator with improved busbars and motor including the same17 Feb 2026US 12,556,054 B2Hyundai Mobis Co., Ltd.
- Generator with high-pressure air cooling27 Jan 2026US 12,537,402 B2Siemens Energy, Inc.
- Replacement or repair of generator neutral ring30 Dec 2025US 12,512,736 B2Electromechanical Engineering Associates, Inc.
- Stator, radial flux double-rotor machine and method of manufacture13 Aug 2026US 2026/0238066 A1DeepDrive GmbH
- Stator for rotating electrical machine14 May 2026US 2026/0135426 A1Aisin Corporation
- Stator and rotating electric machine26 Mar 2026US 2026/0088681 A1Mitsubishi Generator Co., Ltd.
- Cooling concept of a dynamo-electric machine with inverter modules16 Oct 2025US 2025/0323558 A1Innomotics GmbH
- Welded high-current connections in dynamoelectric machines2 Oct 2025US 2025/0309722 A1Innomotics GmbH
Most cited
By later US patents
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Process for manufacturing motor having windings constructed for automated assembly69US 4,115,915 AGeneral Electric Company · 1978
- Arrangement for supporting stator end windings of an electric machine65US 4,238,339 A1980
- Dynamoelectric machine with stator coil end turn support system53US 4,488,079 AWestinghouse Electric Corp. · 1984
- Alternator for an automotive vehicle53US 6,198,190 B1Denso Corporation · 2001