F24F 11/32
Responding to malfunctions or emergencies
F24F11/32 (Responding to malfunctions or emergencies) appears on 2,077 US grants and 2,529 published applications in this corpus.
Search patents in F24F- Granted patents
- 2,077
- Published applications
- 2,529
- Assignees
- 710
- Inventors
- 4,398
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 21 | 0 |
| 2001 | 23 | 6 |
| 2002 | 16 | 24 |
| 2003 | 16 | 20 |
| 2004 | 18 | 25 |
| 2005 | 9 | 27 |
| 2006 | 26 | 44 |
| 2007 | 27 | 34 |
| 2008 | 16 | 37 |
| 2009 | 15 | 28 |
| 2010 | 31 | 44 |
| 2011 | 18 | 29 |
| 2012 | 31 | 68 |
| 2013 | 24 | 53 |
| 2014 | 30 | 73 |
| 2015 | 63 | 115 |
| 2016 | 57 | 117 |
| 2017 | 89 | 151 |
| 2018 | 104 | 143 |
| 2019 | 154 | 194 |
| 2020 | 179 | 176 |
| 2021 | 144 | 232 |
| 2022 | 170 | 226 |
| 2023 | 189 | 194 |
| 2024 | 190 | 207 |
| 2025 | 140 | 150 |
| 2026 | 94 | 112 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Indoor air pollution prevention system6 Oct 2026US 12,753,949 B2Microjet Technology Co., Ltd.
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- System and method for detecting low indoor air quality and enabling ventilation in multi-zone29 Sep 2026US 12,747,881 B2Carrier Corporation
- Refrigerant leakage detection method and device, air conditioner and storage medium29 Sep 2026US 12,747,882 B2Gd Midea Air-Conditioning Equipment Co., Ltd.
- Air conditioner29 Sep 2026US 12,747,883 B2LG Electronics Inc.
- Air Treatment System8 Oct 2026US 2026/0307008 A1Universiteit Antwerpen
- Refrigerant leakage control method and device, air conditioner, and computer-readable storage medium8 Oct 2026US 2026/0309350 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Methods, controllers, and machine-readable storage media for automated commissioning of equipment8 Oct 2026US 2026/0313820 A1PassiveLogic, Inc.
- Energy efficient heat pump with active charge management24 Sep 2026US 2026/0287193 A1Tyco Fire & Security GmbH
- System and Method for predicting short cycling of HVAC systems and generating alerts for remediation24 Sep 2026US 2026/0287194 A1Lennox Industries Inc.
Most cited
By later US patents
- Home cleaning robot729US 6,459,955 B1The Procter & Gamble Company · 2002
- HVAC remote monitoring system530US 6,385,510 B12002
- Controller customization management system338US 7,222,800 B2Honeywell International Inc. · 2007
- Systems and methods for controlling energy use in a building management system using energy budgets329US 8,843,238 B2Johnson Controls Technology Company · 2014
- Diagnostic system for use in an environment control network306US 5,446,677 AJohnson Service Company · 1995