F04D 29/5806
Cooling the drive system
Official title: {Cooling the drive system}
F04D29/5806 (Cooling the drive system) appears on 1,079 US grants and 1,333 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,079
- Published applications
- 1,333
- Assignees
- 612
- Inventors
- 2,699
- 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 | 7 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 18 | 3 |
| 2002 | 22 | 14 |
| 2003 | 10 | 11 |
| 2004 | 10 | 21 |
| 2005 | 2 | 20 |
| 2006 | 22 | 35 |
| 2007 | 14 | 29 |
| 2008 | 12 | 35 |
| 2009 | 14 | 26 |
| 2010 | 17 | 28 |
| 2011 | 16 | 22 |
| 2012 | 26 | 28 |
| 2013 | 21 | 44 |
| 2014 | 27 | 54 |
| 2015 | 26 | 70 |
| 2016 | 31 | 74 |
| 2017 | 39 | 74 |
| 2018 | 48 | 69 |
| 2019 | 68 | 104 |
| 2020 | 76 | 95 |
| 2021 | 74 | 91 |
| 2022 | 78 | 80 |
| 2023 | 74 | 88 |
| 2024 | 84 | 64 |
| 2025 | 78 | 78 |
| 2026 | 48 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric motor including outer rotor body, surrounding cover, and fan integrally formed with the cover15 Sep 2026US 12,738,807 B2Milwaukee Electric Tool Corporation
- Marine drives and cooling pumps for marine drives8 Sep 2026US 12,728,974 B1Brunswick Corporation
- Thermistor flow path8 Sep 2026US 12,729,681 B2GHSP, Inc.
- Turbo compressor8 Sep 2026US 12,729,691 B2LG Electronics Inc.
- Fan motor8 Oct 2026US 2026/0309164 A1LG Electronics Inc.
- Fan assembly for an electric motor and electric motor comprising such a fan assembly1 Oct 2026US 2026/0302888 A1ALSTOM Holdings
- Gas-floating centrifugal refrigerant compressor17 Sep 2026US 2026/0276264 A1Xeca Turbo (Chongqing) Technology Co., Ltd
- Thermistor flow path10 Sep 2026US 2026/0266285 A1GHSP, Inc.
- Air system for aircraft propulsion system electric machine13 Aug 2026US 2026/0235076 A1Rtx Corporation
Most cited
By later US patents
- Compact low noise efficient blower for CPAP devices351US 7,866,944 B2ResMed Motor Technologies Inc. · 2011
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- System for reducing noise in a hydraulic fracturing fleet263US 9,587,649 B2U.S. Well Services, LLC · 2017
- Motor-driven fan, particularly for a motor vehicle heat exchanger163US 6,384,494 B1Gate S.R.L. · 2002
- Compressor149US 5,857,348 AMultistack International Limited · 1999