H02K 3/50
Fastening of winding heads, equalising connectors, or connections thereto
H02K3/50 (Fastening of winding heads, equalising connectors, or connections thereto) appears on 1,621 US grants and 1,720 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,621
- Published applications
- 1,720
- Assignees
- 519
- Inventors
- 3,800
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 13 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 16 | 0 |
| 1998 | 22 | 0 |
| 1999 | 36 | 0 |
| 2000 | 20 | 0 |
| 2001 | 27 | 8 |
| 2002 | 33 | 51 |
| 2003 | 27 | 32 |
| 2004 | 29 | 33 |
| 2005 | 40 | 29 |
| 2006 | 27 | 27 |
| 2007 | 14 | 32 |
| 2008 | 19 | 22 |
| 2009 | 23 | 24 |
| 2010 | 24 | 45 |
| 2011 | 23 | 24 |
| 2012 | 26 | 46 |
| 2013 | 29 | 53 |
| 2014 | 25 | 54 |
| 2015 | 36 | 65 |
| 2016 | 46 | 52 |
| 2017 | 44 | 56 |
| 2018 | 41 | 69 |
| 2019 | 79 | 115 |
| 2020 | 72 | 146 |
| 2021 | 106 | 124 |
| 2022 | 130 | 181 |
| 2023 | 90 | 126 |
| 2024 | 132 | 124 |
| 2025 | 115 | 110 |
| 2026 | 67 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stator for an electric machine, production method for such a stator in an electric machine29 Sep 2026US 12,749,937 B2Mahle International GmbH
- Rotor for an electric machine29 Sep 2026US 12,749,940 B2Voith Patent GmbH
- Method and apparatus for cooling a rotor assembly22 Sep 2026US 12,744,427 B2GE Aviation Systems LLC
- Electric machine comprising a stator and a conductor support arranged at an axial end of the stator22 Sep 2026US 12,744,432 B2Schaeffler Technologies AG & Co. KG
- Electric machine with a connection ring assembly, and method for connecting a connection ring assembly to a conductor element15 Sep 2026US 12,738,791 B2ZF Friedrichshafen AG
- Stator for an electric machine and method for producing a stator8 Oct 2026US 2026/0312451 A1Schaeffler Technologies AG & Co. KG
- Motor and rotor assembly24 Sep 2026US 2026/0291316 A1Greenworks (Jiangsu) Co., Ltd.
- A Motor and a Connecting Device for Connection of Stator Wires for the Motor27 Aug 2026US 2026/0254305 A1Siemens Aktiengesellschaft
- Electric machine comprising a one-piece interconnection device, and method for mounting the electric machine27 Aug 2026US 2026/0254306 A1ZF Friedrichshafen AG
- Stator, method for producing a stator, fluid guide body, and electric machine20 Aug 2026US 2026/0246315 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Hybrid alternator213US 5,747,909 AEcoair Corp. · 1998
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Stator winding arrangement of alternator for vehicle100US 5,965,965 ADenso Corporation · 1999
- Alternator for vehicle99US 6,181,043 B2Denso Corporation · 2001
- Conductor optimized axial field rotary energy device95US 7,109,625 B12006