H02K 15/0421
And consisting of single conductors
Official title: and consisting of single conductors, e.g. hairpins
H02K15/0421 (And consisting of single conductors) appears on 239 US grants and 311 published applications in this corpus.
Search patents in H02K- Granted patents
- 239
- Published applications
- 311
- Assignees
- 103
- Inventors
- 584
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 9 |
| 2004 | 4 | 6 |
| 2005 | 8 | 3 |
| 2006 | 4 | 3 |
| 2007 | 3 | 4 |
| 2008 | 2 | 0 |
| 2009 | 4 | 5 |
| 2010 | 4 | 7 |
| 2011 | 4 | 8 |
| 2012 | 6 | 4 |
| 2013 | 8 | 10 |
| 2014 | 9 | 12 |
| 2015 | 3 | 10 |
| 2016 | 7 | 13 |
| 2017 | 10 | 12 |
| 2018 | 8 | 17 |
| 2019 | 15 | 27 |
| 2020 | 14 | 13 |
| 2021 | 21 | 34 |
| 2022 | 20 | 23 |
| 2023 | 17 | 35 |
| 2024 | 21 | 26 |
| 2025 | 23 | 15 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Distributed winding29 Sep 2026US 12,749,938 B2ZF Friedrichshafen AG
- Hairpin alignment device for hairpin winding motor8 Sep 2026US 12,732,073 B2Hyundai Motor Company
- Method to produce electric motor conductor wires for high frequency1 Sep 2026US 12,726,089 B2GM Global Technology Operations LLC
- System and method for forming a hairpin for motors4 Aug 2026US 12,700,779 B2Hyundai Motor Company
- Twisting assembly for wires of inductive windings and the like14 Jul 2026US 12,683,472 B2ATOP S.p.A.
- Rectangular wire coil alignment device10 Sep 2026US 2026/0269698 A1NHK Spring Co., Ltd.
- Removable device for loading and handling basic conductors for the assembly of a stator or rotor winding27 Aug 2026US 2026/0254326 A1Tecnomatic S. P. A.
- Bending device for producing a winding mat for a rotor or a stator of an electric machine13 Aug 2026US 2026/0238097 A1ZF Friedrichshafen AG
- Conductor for an electric machine9 Jul 2026US 2026/0196897 A1Safran
- Stator and method of assembling stator2 Jul 2026US 2026/0189096 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for manufacturing AC-generator's stator for vehicle53US 6,249,956 B1Denso Corporation · 2001
- Method for pre-forming conductors for motor rotors and stators34US 7,480,987 B1Tecnomatic S. P. A. · 2009
- Vehicle AC generator and method of manufacturing the same33US 6,177,747 B1Denso Corporation · 2001
- Method of manufacturing rotary electric machine's stator32US 6,339,871 B12002
- Method and apparatus for manufacturing stator of rotary electric machine25US 6,557,239 B2Denso Corporation · 2003