F24F 1/38
Fan details of outdoor units
Official title: Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
F24F1/38 (Fan details of outdoor units) appears on 210 US grants and 304 published applications in this corpus.
Search patents in F24F- Granted patents
- 210
- Published applications
- 304
- Assignees
- 78
- Inventors
- 669
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 6 |
| 2006 | 2 | 1 |
| 2007 | 3 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 7 |
| 2010 | 0 | 7 |
| 2011 | 4 | 9 |
| 2012 | 4 | 5 |
| 2013 | 1 | 4 |
| 2014 | 5 | 7 |
| 2015 | 5 | 16 |
| 2016 | 9 | 12 |
| 2017 | 8 | 14 |
| 2018 | 12 | 19 |
| 2019 | 17 | 23 |
| 2020 | 22 | 42 |
| 2021 | 23 | 31 |
| 2022 | 18 | 16 |
| 2023 | 17 | 24 |
| 2024 | 19 | 22 |
| 2025 | 13 | 20 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air guide ring, air conditioner outdoor unit, and air conditioner6 Oct 2026US 12,753,935 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Air conditioner outdoor unit and air conditioner11 Aug 2026US 12,704,273 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Auxiliary heat exchanger coil for outdoor side-discharge units4 Aug 2026US 12,698,909 B2Trane International Inc.
- Packaged terminal air conditioner (PTAC) with an integrated energy recovery ventilator (ERV) or heat recovery ventilator (HRV)14 Jul 2026US 12,680,704 B2
- Air conditioner14 Jul 2026US 12,680,726 B2Daikin Industries, Ltd.
- Fan, air conditioning outdoor unit, and air conditioning apparatus16 Jul 2026US 2026/0201901 A1Daikin Industries, Ltd.
- Air conditioning fan unit and air conditioning clothing25 Jun 2026US 2026/0177062 A1Kinboshi Inc.
- Air conditioner11 Jun 2026US 2026/0160433 A1Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Outdoor unit of air conditioner and air conditioner having same4 Jun 2026US 2026/0153249 A1Samsung Electronics Co., Ltd.
- Air conditioner30 Apr 2026US 2026/0117992 A1Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
Most cited
By later US patents
- Air cooling system for a building structure48US 8,079,898 B1Qc Manufacturing, Inc. · 2011
- Outdoor heat exchanger section44US 4,723,419 AAmerican Standard Inc. · 1988
- Outdoor fan control for variable speed heat pump34US 5,144,812 ACarrier Corporation · 1992
- Compact air conditioner outdoor unit having high heat exchanging ability16US 5,775,120 ADaikin Industries, Ltd. · 1998
- Heat exchange unit having an internal support15US 4,307,778 ACarrier Corporation · 1981