F04D 25/082
The unit having provision for cooling the motor
Official title: {the unit having provision for cooling the motor}
F04D25/082 (The unit having provision for cooling the motor) appears on 523 US grants and 609 published applications in this corpus.
Search patents in F04D- Granted patents
- 523
- Published applications
- 609
- Assignees
- 312
- Inventors
- 1,248
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 2 |
| 2002 | 14 | 8 |
| 2003 | 6 | 6 |
| 2004 | 8 | 13 |
| 2005 | 2 | 16 |
| 2006 | 19 | 26 |
| 2007 | 8 | 22 |
| 2008 | 6 | 25 |
| 2009 | 11 | 16 |
| 2010 | 12 | 19 |
| 2011 | 10 | 14 |
| 2012 | 19 | 18 |
| 2013 | 11 | 23 |
| 2014 | 16 | 25 |
| 2015 | 14 | 28 |
| 2016 | 16 | 35 |
| 2017 | 19 | 19 |
| 2018 | 26 | 41 |
| 2019 | 27 | 45 |
| 2020 | 37 | 37 |
| 2021 | 28 | 44 |
| 2022 | 37 | 29 |
| 2023 | 24 | 27 |
| 2024 | 33 | 28 |
| 2025 | 28 | 23 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric motor including outer rotor body, surrounding cover, and fan integrally formed with the cover15 Sep 2026US 12,738,807 B2Milwaukee Electric Tool Corporation
- Motor and blow device using the same23 Jun 2026US 12,665,469 B2Shenzhen Xiaoti Dazuo Technology Co., Ltd.
- Radiator system16 Jun 2026US 12,654,543 B2
- Backpack blower, backpack assembly and backpack power assembly9 Jun 2026US 12,648,527 B2Greenworks (Jiangsu) Co., Ltd.
- Centrifugal blower, and indoor unit19 May 2026US 12,631,348 B2Mitsubishi Electric Corporation
- Blowing apparatus27 Aug 2026US 2026/0251147 A1Dongguan Hang Che Bao Future Technology Co., Ltd.
- Blower13 Aug 2026US 2026/0235135 A1Panasonic Intellectual Property Management Co., Ltd.
- Blower with a gas pressurization system30 Jul 2026US 2026/0218713 A1Wallenberg Union LLC
- Portable fan30 Jul 2026US 2026/0218716 A1Shenzhen Jisu Technology Co., Ltd
- Fan device and guiding component16 Jul 2026US 2026/0201904 A1Cooler Master Co., Ltd.
Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Motor-driven fan, particularly for a motor vehicle heat exchanger163US 6,384,494 B1Gate S.R.L. · 2002
- Vibration dampened blower138US 4,978,281 A1990
- Motor-driven centrifugal air compressor with axial airflow115US 6,129,524 ATurbodyne Systems, Inc. · 2000
- Electric blower having improved return passage for discharged air flow97US 5,110,266 AHitachi, Ltd. · 1992