H02K 5/203
Specially adapted for liquids
Official title: {specially adapted for liquids, e.g. cooling jackets}
H02K5/203 (Specially adapted for liquids) appears on 1,536 US grants and 2,152 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,536
- Published applications
- 2,152
- Assignees
- 668
- Inventors
- 4,158
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 4 |
| 2002 | 8 | 11 |
| 2003 | 7 | 15 |
| 2004 | 11 | 22 |
| 2005 | 13 | 25 |
| 2006 | 17 | 12 |
| 2007 | 11 | 18 |
| 2008 | 12 | 26 |
| 2009 | 10 | 24 |
| 2010 | 20 | 30 |
| 2011 | 13 | 36 |
| 2012 | 17 | 65 |
| 2013 | 44 | 77 |
| 2014 | 39 | 81 |
| 2015 | 45 | 60 |
| 2016 | 49 | 77 |
| 2017 | 38 | 80 |
| 2018 | 60 | 87 |
| 2019 | 86 | 137 |
| 2020 | 115 | 145 |
| 2021 | 85 | 132 |
| 2022 | 105 | 217 |
| 2023 | 139 | 227 |
| 2024 | 175 | 220 |
| 2025 | 218 | 185 |
| 2026 | 106 | 139 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Omnidirectional cooling guide6 Oct 2026US 12,756,263 B2Hyundai Mobis Co., Ltd.
- Electric traction machine for a motor vehicle29 Sep 2026US 12,749,948 B2Bayerische Motoren Werke Aktiengesellschaft
- 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
- Electric motor15 Sep 2026US 12,738,798 B2BorgWarner Inc.
- Rotary electric machine8 Oct 2026US 2026/0312442 A1Denso Corporation
- Electric motor8 Oct 2026US 2026/0312458 A1Hino Motors, Ltd.
- Electric motor with cooling system8 Oct 2026US 2026/0312465 A1Sonceboz Motion Boncourt SA
- Rotor, separately excited synchronous machine and motor vehicle8 Oct 2026US 2026/0312469 A1
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
Most cited
By later US patents
- Liquid cooled electric motor frame214US 5,859,482 AGeneral Electric Company · 1999
- Integrated electric drive unit including an electric motor and an electronic control and monitoring module132US 6,198,183 B1DaimlerChrysler AG · 2001
- Pump motor housing with improved cooling means116US 5,616,973 AYeomans Chicago Corporation · 1997
- Motor with cooling structure115US 6,114,784 ANissan Motor Co., Ltd. · 2000
- Thermal and secondary flow management of electrically driven compressors111US 7,633,193 B2Honeywell International Inc. · 2009