F04D 29/4246
Comprising more than one outlet
Official title: {comprising more than one outlet}
F04D29/4246 (Comprising more than one outlet) appears on 192 US grants and 245 published applications in this corpus.
Search patents in F04D- Granted patents
- 192
- Published applications
- 245
- Assignees
- 149
- Inventors
- 502
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 4 |
| 2007 | 4 | 5 |
| 2008 | 0 | 6 |
| 2009 | 2 | 4 |
| 2010 | 6 | 7 |
| 2011 | 3 | 5 |
| 2012 | 6 | 7 |
| 2013 | 2 | 6 |
| 2014 | 1 | 3 |
| 2015 | 6 | 3 |
| 2016 | 4 | 10 |
| 2017 | 5 | 13 |
| 2018 | 6 | 10 |
| 2019 | 11 | 18 |
| 2020 | 11 | 14 |
| 2021 | 18 | 22 |
| 2022 | 11 | 23 |
| 2023 | 26 | 22 |
| 2024 | 16 | 17 |
| 2025 | 16 | 19 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fan assembly, heat dissipation assembly and electronic device6 Oct 2026US 12,757,350 B2Giga-Byte Technology Co., Ltd.
- Neck fan18 Aug 2026US 12,710,047 B1Shenzhen Jisu Technology Co., Ltd
- Hoods for extracting cooking fumes, comprising first and second suction units18 Aug 2026US 12,710,181 B2Elica S.P.A.
- Multiport fluid pump with reserve capacity impeller4 Aug 2026US 12,698,778 B2Cooper-Standard Automotive Inc.
- Patient ventilation device including blower with divided air outlet channels30 Jun 2026US 12,671,009 B2ResMed Pty Ltd
- Impeller17 Sep 2026US 2026/0276000 A1Honeywell International Inc.
- Neck fan20 Aug 2026US 2026/0243273 A1Shenzhen Jisu Technology Co., Ltd
- Stacked fan structure, combined blade-integrated fan and automotive seat ventilation system13 Aug 2026US 2026/0235132 A1Aew Technology Group Co., Ltd.
- Centrifugal fan module, cooling device, and refrigerator including the same6 Aug 2026US 2026/0226918 A1Samsung Electronics Co., Ltd.
- Centrifugal fan, neck fan, and vortex shell assembly23 Jul 2026US 2026/0210367 A1Shenzhen Jisu Technology Co., Ltd
Most cited
By later US patents
- Thermoelectric heat exchanger227US 6,119,463 AAmerigon Incorporated · 2000
- Thermoelectric heat exchanger196US 6,223,539 B1Amerigon Incorporated · 2001
- Thermoelectric heat exchanger103US 7,178,344 B2Amerigon Incorporated · 2007
- Gas separation with split stream centrifugal turbomachinery76US 6,398,853 B1Quest Air Gases Inc. · 2002
- Exhaust fan apparatus59US 5,439,349 A1995