H02K 3/24
With channels or ducts for cooling medium between the conductors
Official title: with channels or ducts for cooling medium between the conductors
H02K3/24 (With channels or ducts for cooling medium between the conductors) appears on 978 US grants and 1,212 published applications in this corpus.
Search patents in H02K- Granted patents
- 978
- Published applications
- 1,212
- Assignees
- 433
- Inventors
- 2,566
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 8 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 6 |
| 2002 | 25 | 32 |
| 2003 | 18 | 13 |
| 2004 | 22 | 23 |
| 2005 | 16 | 12 |
| 2006 | 11 | 16 |
| 2007 | 9 | 23 |
| 2008 | 11 | 16 |
| 2009 | 15 | 15 |
| 2010 | 16 | 33 |
| 2011 | 14 | 25 |
| 2012 | 21 | 23 |
| 2013 | 19 | 29 |
| 2014 | 12 | 39 |
| 2015 | 19 | 34 |
| 2016 | 20 | 40 |
| 2017 | 35 | 52 |
| 2018 | 34 | 36 |
| 2019 | 42 | 55 |
| 2020 | 42 | 83 |
| 2021 | 56 | 86 |
| 2022 | 63 | 105 |
| 2023 | 70 | 91 |
| 2024 | 90 | 124 |
| 2025 | 76 | 111 |
| 2026 | 59 | 90 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric rotating machine and method and vehicle comprising electric machine6 Oct 2026US 12,756,253 B2Traton AB
- Rotating electrical machine6 Oct 2026US 12,756,254 B2Honda Motor Co., Ltd.
- Stator for an electric machine, production method for such a stator in an electric machine29 Sep 2026US 12,749,937 B2Mahle International GmbH
- Electric machine with a closed coolant circuit, in particular for driving a vehicle22 Sep 2026US 12,744,425 B2Valeo eAutomotive Germany GmbH
- Method and apparatus for cooling a rotor assembly22 Sep 2026US 12,744,427 B2GE Aviation Systems LLC
- Axial flow machine having a stator and optimized cooling of the pole shoes8 Oct 2026US 2026/0312443 A1Schaeffler Technologies AG & Co. KG
- Stator for an electric machine and method for producing a stator8 Oct 2026US 2026/0312451 A1Schaeffler Technologies AG & Co. KG
- Stator of an electric machine1 Oct 2026US 2026/0302844 A1
- Method of manufacturing stator, and stator of rotating electric machine1 Oct 2026US 2026/0302861 A1Honda Motor Co., Ltd.
- System and method for thermal management of electronic machines using coolant cans1 Oct 2026US 2026/0302862 A1Tau Motors, Inc.
Most cited
By later US patents
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Stator winding arrangement of alternator for vehicle100US 5,965,965 ADenso Corporation · 1999
- Permanent-magnet synchronous motor91US 5,642,013 A1997
- Alternator for vehicle91US 5,955,810 ADenso Corporation · 1999
- Stator cooling arrangement of alternator for vehicle85US 6,011,332 ADenso Corporation · 2000