H02K 9/26
Structural association of machines with devices for cleaning or drying cooling medium
Official title: Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
H02K9/26 (Structural association of machines with devices for cleaning or drying cooling medium) appears on 136 US grants and 147 published applications in this corpus.
Search patents in H02K- Granted patents
- 136
- Published applications
- 147
- Assignees
- 124
- Inventors
- 399
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 4 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 3 | 3 |
| 2009 | 3 | 3 |
| 2010 | 0 | 2 |
| 2011 | 3 | 3 |
| 2012 | 1 | 6 |
| 2013 | 6 | 6 |
| 2014 | 2 | 5 |
| 2015 | 5 | 3 |
| 2016 | 3 | 3 |
| 2017 | 5 | 0 |
| 2018 | 3 | 8 |
| 2019 | 5 | 7 |
| 2020 | 4 | 13 |
| 2021 | 2 | 12 |
| 2022 | 17 | 8 |
| 2023 | 7 | 13 |
| 2024 | 10 | 20 |
| 2025 | 10 | 11 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine cooling circuit of an electric machine, overall cooling circuit of a motor vehicle, and motor vehicle29 Sep 2026US 12,749,947 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Mesh filter in stator cooling system14 Jul 2026US 12,683,467 B2Toyota Jidosha Kabushiki Kaisha
- Electric power steering system for a vehicle12 May 2026US 12,623,713 B2
- Underwater flow turbine5 May 2026US 12,618,391 B2Aktiebolaget Skf
- Drive unit24 Feb 2026US 12,562,621 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Motor unit17 Sep 2026US 2026/0276074 A1Mitsubishi Electric Mobility Corporation
- Motor assembly, dust collection device, and cleaner2 Jul 2026US 2026/0182792 A1Samsung Electronics Co., Ltd.
- Oil lubricant quality sensor for a lubricant supported electric motor and an oil cooled inverter12 Mar 2026US 2026/0071987 A1
- Axial flux switched reluctance motor and generator, and related systems and methods5 Mar 2026US 2026/0066756 A1Anthropocene Institute LLC
- Motor assembly and surface cleaning device26 Feb 2026US 2026/0053316 A1Shenzhen Roborock Innovation Technology Co., Ltd.
Most cited
By later US patents
- Low noise air blower113US 5,567,127 A1996
- Apparatus and method for generating electrical power in a borehole49US 7,133,325 B2Schlumberger Technology Corporation · 2006
- Battery concrete vibrator45US 5,725,304 AMakita Corporation · 1998
- Brushless motor42US 6,107,708 AASMO Co.LTD · 2000
- Air-cooled rotor for electric motor32US 4,800,315 AMetabowerke GmbH · 1989