H02K 9/06
With fans or impellers driven by the machine shaft
Official title: with fans or impellers driven by the machine shaft
H02K9/06 (With fans or impellers driven by the machine shaft) appears on 1,927 US grants and 2,177 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,927
- Published applications
- 2,177
- Assignees
- 684
- Inventors
- 4,117
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 15 | 0 |
| 1998 | 26 | 0 |
| 1999 | 37 | 0 |
| 2000 | 39 | 0 |
| 2001 | 25 | 11 |
| 2002 | 39 | 35 |
| 2003 | 26 | 34 |
| 2004 | 46 | 59 |
| 2005 | 40 | 58 |
| 2006 | 43 | 63 |
| 2007 | 26 | 53 |
| 2008 | 45 | 43 |
| 2009 | 33 | 46 |
| 2010 | 35 | 49 |
| 2011 | 37 | 44 |
| 2012 | 33 | 48 |
| 2013 | 38 | 75 |
| 2014 | 35 | 79 |
| 2015 | 57 | 96 |
| 2016 | 57 | 86 |
| 2017 | 63 | 108 |
| 2018 | 64 | 116 |
| 2019 | 108 | 167 |
| 2020 | 135 | 127 |
| 2021 | 119 | 146 |
| 2022 | 109 | 154 |
| 2023 | 104 | 152 |
| 2024 | 144 | 134 |
| 2025 | 129 | 112 |
| 2026 | 69 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric propulsion device with hollow shaft and cooling blades and support body with heat member on outer surface29 Sep 2026US 12,747,029 B2Mitsubishi Heavy Industries, Ltd.
- Brushless DC motor power tool with combined PCB design29 Sep 2026US 12,749,945 B2Milwaukee Electric Tool Corporation
- Motor driver circuit and driving method, cooling device and electronic apparatus using the same29 Sep 2026US 12,749,953 B2Rohm Co., Ltd.
- Electric motor including outer rotor body, surrounding cover, and fan integrally formed with the cover15 Sep 2026US 12,738,807 B2Milwaukee Electric Tool Corporation
- Brushless motor for a power tool15 Sep 2026US 12,738,808 B2Black & Decker Inc.
- Power tool with compact motor assembly8 Oct 2026US 2026/0307221 A1Black & Decker Inc.
- Motor Retention and Airflow Guide in a Power Tool8 Oct 2026US 2026/0307234 A1Black & Decker Inc.
- Power tool with compact outer-rotor motor assembly1 Oct 2026US 2026/0302884 A1Black & Decker Inc.
- Fan assembly for an electric motor and electric motor comprising such a fan assembly1 Oct 2026US 2026/0302888 A1ALSTOM Holdings
- Motor unit and electric working machine24 Sep 2026US 2026/0291330 A1Makita Corporation
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Power tool with separate motor case compartment614US 10,404,136 B2Black & Decker Inc. · 2019
- Mobile power generation system including fixture assembly254US 10,371,012 B2On-Power, Inc. · 2019
- Hybrid alternator213US 5,747,909 AEcoair Corp. · 1998
- Motor-driven fan, particularly for a motor vehicle heat exchanger163US 6,384,494 B1Gate S.R.L. · 2002