H02K 2209/00
Specific aspects not provided for in the other groups of this subclass
Official title: Specific aspects not provided for in the other groups of this subclass relating to systems for cooling or ventilating
H02K2209/00 (Specific aspects not provided for in the other groups of this subclass) appears on 77 US grants and 103 published applications in this corpus.
Search patents in H02K- Granted patents
- 77
- Published applications
- 103
- Assignees
- 79
- Inventors
- 285
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 6 |
| 2015 | 1 | 4 |
| 2016 | 1 | 3 |
| 2017 | 6 | 4 |
| 2018 | 6 | 6 |
| 2019 | 2 | 12 |
| 2020 | 6 | 8 |
| 2021 | 6 | 7 |
| 2022 | 8 | 7 |
| 2023 | 7 | 10 |
| 2024 | 7 | 16 |
| 2025 | 11 | 13 |
| 2026 | 11 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spray oil cooling device for a stator core periphery22 Sep 2026US 12,744,429 B2Bayerische Motoren Werke Aktiengesellschaft
- Air cooling apparatus for electric machine22 Sep 2026US 12,744,433 B2ANDRITZ HYDRO GmbH
- Electric motor cooling system15 Sep 2026US 12,738,810 B2Dana Automotive Systems Group, LLC
- Rotary electric machine11 Aug 2026US 12,706,498 B2Aisin Corporation
- Electric machine with an end winding cooling assembly28 Jul 2026US 12,695,359 B2Dana Automotive Systems Group, LLC
- traction system comprising an electric motor and an outside liquid-air heat exchanger for cooling the rotor6 Aug 2026US 2026/0229961 A1ALSTOM Holdings
- Electric motor25 Jun 2026US 2026/0180383 A1Toyota Jidosha Kabushiki Kaisha
- Heat dissipation mechanism for cold drink dispenser and cold drink dispenser12 Mar 2026US 2026/0074592 A1Guangzhou Xin'an Trading Co., Ltd.
- Piston assembly for a linear electric machine15 Jan 2026US 2026/0018969 A1Hyliion Holdings Corp.
- Motor system and vehicle having the same1 Jan 2026US 2026/0005581 A1BYD Company Limited
Most cited
By later US patents
- Phase change assisted heat sink55US 6,239,502 B1BAE Systems Controls Inc. · 2001
- Reflux-cooled electro-mechanical device26US 5,770,903 ASundstrand Corporation · 1998
- Electric motor with rotor being a drive wheel8US 6,703,742 B12004
- Phase change assisted heat sink7US 6,417,577 B1BAE Systems Controls Inc. · 2002
- Electric power steering apparatus6US 9,586,615 B2Mitsubishi Electric Corporation · 2017