F24F 1/56
Casing or covers of separate outdoor units
Official title: Casing or covers of separate outdoor units, e.g. fan guards
F24F1/56 (Casing or covers of separate outdoor units) appears on 282 US grants and 388 published applications in this corpus.
Search patents in F24F- Granted patents
- 282
- Published applications
- 388
- Assignees
- 92
- Inventors
- 896
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 4 | 8 |
| 2005 | 4 | 9 |
| 2006 | 8 | 4 |
| 2007 | 4 | 2 |
| 2008 | 2 | 9 |
| 2009 | 1 | 7 |
| 2010 | 5 | 5 |
| 2011 | 2 | 4 |
| 2012 | 3 | 7 |
| 2013 | 5 | 12 |
| 2014 | 7 | 16 |
| 2015 | 7 | 19 |
| 2016 | 8 | 22 |
| 2017 | 6 | 24 |
| 2018 | 20 | 20 |
| 2019 | 16 | 30 |
| 2020 | 21 | 34 |
| 2021 | 25 | 30 |
| 2022 | 25 | 16 |
| 2023 | 22 | 27 |
| 2024 | 19 | 29 |
| 2025 | 21 | 34 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Outdoor unit of air conditioner15 Sep 2026US 12,736,235 B2LG Electronics Inc.
- Housing assembly, compressor, and air conditioner1 Sep 2026US 12,723,926 B2Guangdong Meizhi Compressor Co., Ltd.
- Housing assembly, air-conditioner outdoor unit, and air-conditioning apparatus18 Aug 2026US 12,710,183 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.
- Outdoor unit, and refrigeration cycle device11 Aug 2026US 12,704,291 B2Mitsubishi Electric Corporation
- Collapsible hood8 Oct 2026US 2026/0309344 A1Nortek Air Solutions, LLC
- Heat source unit of a heat pump20 Aug 2026US 2026/0243478 A1Daikin Europe N.V.
- Outdoor unit of air conditioner30 Jul 2026US 2026/0218920 A1Samsung Electronics Co., Ltd.
- Devices for supporting hvac condensing units outdoors in high velocity wind zones and methods of manufacture and use thereof23 Jul 2026US 2026/0210580 A1Diversitech Corporation
- Outdoor unit of air conditioner25 Jun 2026US 2026/0177254 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Removable debris filter for an air conditioning condensing unit53US 5,809,800 A1998
- Adjustable protective cover for an air conditioner45US 6,430,954 B12002
- Ventilating protective cover for top-discharge air conditioners43US 5,097,678 A1992
- Outdoor coil unit for heat pump41US 4,261,418 AWestinghouse Electric Corp. · 1981
- Central air conditioner cover apparatus36US 4,745,769 A1988