H02K 9/14
Wherein gaseous cooling medium circulates between the machine casing and a surrounding
Official title: wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
H02K9/14 (Wherein gaseous cooling medium circulates between the machine casing and a surrounding) appears on 531 US grants and 561 published applications in this corpus.
Search patents in H02K- Granted patents
- 531
- Published applications
- 561
- Assignees
- 319
- Inventors
- 1,317
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 2 |
| 2003 | 3 | 6 |
| 2004 | 9 | 5 |
| 2005 | 3 | 7 |
| 2006 | 3 | 10 |
| 2007 | 0 | 6 |
| 2008 | 9 | 9 |
| 2009 | 4 | 10 |
| 2010 | 12 | 19 |
| 2011 | 9 | 15 |
| 2012 | 6 | 17 |
| 2013 | 17 | 24 |
| 2014 | 19 | 32 |
| 2015 | 20 | 25 |
| 2016 | 18 | 19 |
| 2017 | 16 | 26 |
| 2018 | 19 | 37 |
| 2019 | 29 | 61 |
| 2020 | 58 | 43 |
| 2021 | 37 | 28 |
| 2022 | 30 | 44 |
| 2023 | 20 | 36 |
| 2024 | 39 | 41 |
| 2025 | 47 | 25 |
| 2026 | 21 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cooling circuit for an electric generator6 Oct 2026US 12,753,741 B2Siemens Gamesa Renewable Energy A/S
- Rotor module with cooling structure4 Aug 2026US 12,700,773 B2Hyundai Mobis Co., Ltd.
- Airgap cooling system for an electric machine14 Jul 2026US 12,683,441 B2General Electric Company
- Cooling device for an electric drive train component, electric drive train assembly, method for operating a cooling device, method for cooling an electric drive train component, and vehicle30 Jun 2026US 12,671,299 B2Volvo Car Corporation
- High current density electric machine16 Jun 2026US 12,658,764 B2Siemens Energy, Inc.
- Devices and systems for thermal management and ingress protection of medical devices8 Oct 2026US 2026/0306358 A1Zoll Circulation, Inc.
- Low spool electrical machine arrangements for hybrid-electric engines10 Sep 2026US 2026/0264866 A1Rtx Corporation
- Air cooling system for gas powered generator20 Aug 2026US 2026/0246336 A1RV Mobile Power, LLC
- Motor for vacuum cleaner13 Aug 2026US 2026/0238068 A1New Motech Co., Ltd.
- Aircraft and a power unit thereof23 Jul 2026US 2026/0208870 A1
Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Brushless DC motor with bearings329US 8,638,014 B2ResMed Motor Technologies Inc. · 2014
- Environmentally safe pump including seal93US 5,499,902 AEnvironamics Corporation · 1996
- Integrated electric motor and drive system with auxiliary cooling motor and asymmetric heat sink92US 5,763,969 AReliance Electric Industrial Company · 1998
- Totally enclosed fan cooled induction motor with improved cooling88US 4,742,257 AGeneral Motors Corporation · 1988