F24F 1/32
For connecting the separate outdoor units to indoor units
Official title: for connecting the separate outdoor units to indoor units
F24F1/32 (For connecting the separate outdoor units to indoor units) appears on 203 US grants and 283 published applications in this corpus.
Search patents in F24F- Granted patents
- 203
- Published applications
- 283
- Assignees
- 77
- Inventors
- 613
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 7 |
| 2003 | 0 | 0 |
| 2004 | 3 | 4 |
| 2005 | 3 | 7 |
| 2006 | 5 | 5 |
| 2007 | 1 | 2 |
| 2008 | 2 | 5 |
| 2009 | 0 | 5 |
| 2010 | 4 | 7 |
| 2011 | 3 | 8 |
| 2012 | 3 | 5 |
| 2013 | 1 | 4 |
| 2014 | 5 | 1 |
| 2015 | 4 | 10 |
| 2016 | 5 | 11 |
| 2017 | 8 | 11 |
| 2018 | 6 | 11 |
| 2019 | 8 | 17 |
| 2020 | 15 | 61 |
| 2021 | 15 | 37 |
| 2022 | 35 | 11 |
| 2023 | 25 | 14 |
| 2024 | 12 | 22 |
| 2025 | 12 | 11 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Indoor unit and air conditioner25 Aug 2026US 12,716,596 B2Daikin Industries, Ltd.
- Air conditioning system25 Aug 2026US 12,716,624 B2Daikin Industries, Ltd.
- Air conditioner5 May 2026US 12,618,570 B2Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Heat exchanger, electric control box and air conditioning system28 Apr 2026US 12,613,039 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Split window air conditioner10 Mar 2026US 12,571,545 B2Jiangsu Yoau Intelligent Technology Co., Ltd
- System and method for heating and cooling24 Sep 2026US 2026/0287196 A1Daikin Industries, Ltd.
- Outdoor unit for air conditioning and air conditioner20 Aug 2026US 2026/0243449 A1Carrier Japan Corporation
- Systems and methods for protecting hvac componentry from contamination and/or corrosion30 Jul 2026US 2026/0218919 A1
- Outdoor unit of air conditioner30 Jul 2026US 2026/0218920 A1Samsung Electronics Co., Ltd.
- Air conditioner30 Jul 2026US 2026/0218955 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Low obstruction window air conditioner60US 5,582,025 ASlant/Fin Corporation · 1996
- Mounting assembly of a separate type air-conditioner28US 5,191,770 ASamsung Electronics Co., Ltd. · 1993
- High efficiency flipping window-bridge air conditioners and heat pumps26US 10,401,043 B22019
- Valve unit for air-conditioner piping25US 4,644,973 AYokohama Aeroquip Corporation · 1987
- Air conditioner outdoor unit housing24US 5,775,119 ASanyo Electric Co., Ltd. · 1998