H02K 15/0428
Processes or apparatus for simultaneously twisting two or more hairpins
H02K15/0428 (Processes or apparatus for simultaneously twisting two or more hairpins) appears on 83 US grants and 92 published applications in this corpus.
Search patents in H02K- Granted patents
- 83
- Published applications
- 92
- Assignees
- 43
- Inventors
- 153
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 7 |
| 2004 | 3 | 6 |
| 2005 | 7 | 3 |
| 2006 | 4 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 4 |
| 2010 | 3 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 6 |
| 2014 | 4 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 3 | 9 |
| 2020 | 2 | 3 |
| 2021 | 6 | 5 |
| 2022 | 5 | 5 |
| 2023 | 3 | 8 |
| 2024 | 3 | 5 |
| 2025 | 6 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Distributed winding29 Sep 2026US 12,749,938 B2ZF Friedrichshafen AG
- Twisting assembly for wires of inductive windings and the like14 Jul 2026US 12,683,472 B2ATOP S.p.A.
- Method and apparatus for assembling a winding of hairpins26 May 2026US 12,640,630 B2Tecnomatic S. P. A.
- Apparatus for inserting an undulated coil assembly in slots of a core of a stator of a dynamoelectric machine11 Nov 2025US 12,470,114 B2ATOP S.p.A.
- Apparatus for deforming conductors protruding from a side of a stator or of a rotor of an electric machine1 Jul 2025US 12,348,090 B2Tecnomatic S. P. A.
- Rectangular wire coil alignment device10 Sep 2026US 2026/0269698 A1NHK Spring Co., Ltd.
- Station for forming inductive windings of electric machines18 Dec 2025US 2025/0385578 A1ATOP S.p.A.
- Method for bending segment coil and device for bending segment coil25 Sep 2025US 2025/0300533 A1Honda Motor Co., Ltd.
- Apparatus and process for deforming conductors protruding from a side of a stator or of a rotor of an electric machine24 Jul 2025US 2025/0239924 A1Tecnomatic S. P. A.
- Motor hairpin expansion device and method3 Jul 2025US 2025/0219515 A1Hyundai Mobis Co., Ltd.
Most cited
By later US patents
- Method and apparatus for manufacturing AC-generator's stator for vehicle53US 6,249,956 B1Denso Corporation · 2001
- 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
- Armatures and method for manufacturing such armatures18US 5,266,858 ANippondenso Co., Ltd. · 1993