F24F 11/67
Switching between heating and cooling modes
F24F11/67 (Switching between heating and cooling modes) appears on 340 US grants and 379 published applications in this corpus.
Search patents in F24F- Granted patents
- 340
- Published applications
- 379
- Assignees
- 144
- Inventors
- 817
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 3 |
| 2007 | 0 | 4 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 3 | 6 |
| 2011 | 4 | 15 |
| 2012 | 10 | 20 |
| 2013 | 12 | 19 |
| 2014 | 10 | 15 |
| 2015 | 10 | 24 |
| 2016 | 7 | 18 |
| 2017 | 16 | 17 |
| 2018 | 19 | 13 |
| 2019 | 16 | 22 |
| 2020 | 16 | 37 |
| 2021 | 29 | 36 |
| 2022 | 28 | 44 |
| 2023 | 32 | 17 |
| 2024 | 27 | 26 |
| 2025 | 19 | 21 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat source unit and air-conditioning device1 Sep 2026US 12,723,773 B2Daikin Industries, Ltd.
- Control device and air conditioner with simplified installation complexity30 Jun 2026US 12,669,258 B2Hangzhou Leaderway Electronics Co., Ltd.
- Diagnostics of HVAC system based on visual and sound signatures23 Jun 2026US 12,663,173 B2Lennox Industries Inc.
- System and method for controlling ventilation air of a target space2 Jun 2026US 12,644,618 B2Lennox Industries Inc.
- Method and apparatus for intelligent temperature control26 May 2026US 12,638,208 B2Universal Electronics Inc.
- Method and apparatus for intelligent temperature control24 Sep 2026US 2026/0287200 A1Universal Electronics Inc.
- Diagnostics of HVAC system based on visual and sound signatures23 Jul 2026US 2026/0210570 A1Lennox Industries Inc.
- System and Method for Controlling Ventilation Air of a Target Space9 Jul 2026US 2026/0194250 A1Lennox Industries Inc.
- System and method for controlling the conditioning mode of a climate control device7 May 2026US 2026/0126205 A1Trane International Inc.
- Climate control devices, systems and methods30 Apr 2026US 2026/0118008 A1Smartfan, Inc.
Most cited
By later US patents
- Apparatus and method for automatic climate control456US 5,395,042 ASmart Systems International · 1995
- Thermostat user interface397US 8,195,313 B1Nest Labs, Inc. · 2012
- Thermostat operation method and apparatus263US 7,802,618 B2Tim Simon, Inc. · 2010
- Thermostat user interface249US 8,280,536 B1Nest Labs, Inc. · 2012
- Electronic programmable thermostat with temporary reset225US 5,937,942 AHunter Fan Company · 1999