F24F 11/33
To fire, excessive heat or smoke
Official title: to fire, excessive heat or smoke
F24F11/33 (To fire, excessive heat or smoke) appears on 338 US grants and 337 published applications in this corpus.
Search patents in F24F- Granted patents
- 338
- Published applications
- 337
- Assignees
- 195
- Inventors
- 612
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 12 |
| 2003 | 3 | 1 |
| 2004 | 4 | 8 |
| 2005 | 0 | 8 |
| 2006 | 8 | 7 |
| 2007 | 6 | 13 |
| 2008 | 3 | 10 |
| 2009 | 4 | 13 |
| 2010 | 8 | 4 |
| 2011 | 4 | 7 |
| 2012 | 7 | 14 |
| 2013 | 3 | 9 |
| 2014 | 6 | 12 |
| 2015 | 14 | 30 |
| 2016 | 14 | 13 |
| 2017 | 17 | 26 |
| 2018 | 20 | 19 |
| 2019 | 29 | 21 |
| 2020 | 16 | 24 |
| 2021 | 13 | 17 |
| 2022 | 17 | 18 |
| 2023 | 16 | 17 |
| 2024 | 15 | 16 |
| 2025 | 8 | 8 |
| 2026 | 10 | 8 |
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.
- Combined HVAC and fire suppression system18 Aug 2026US 12,708,811 B2Kidde Fire Protection, LLC
- Ember and flame resistant resettable automatic soffit vent28 Jul 2026US 12,692,706 B2Bmic LLC
- Intelligent environmental air management system19 May 2026US 12,631,359 B2Carrier Corporation
- Systems and methods for off-gas detection5 May 2026US 12,618,819 B2Tyco Fire Products LP
- Ducted Ventilation System, Particle Collection Unit and Method30 Jul 2026US 2026/0218929 A1E. Khoury Holding B.V.
- Air Register Assembly For Restricting Airflow During Thermal Event28 May 2026US 2026/0146763 A1Remik Innovations LLC
- System and method of a ring architecture of a fixed piping system implemented within a safety system of a structure to continuously supply breathable air therewithin14 May 2026US 2026/0131173 A1Rescue Air Systems, Inc.
- System and method of a loop architecture of a fixed piping system implemented within a safety system of a structure to continuously supply breathable air therewithin7 May 2026US 2026/0126193 A1Rescue Air Systems, Inc.
- Air conditioning appliance with hazard detection9 Apr 2026US 2026/0098650 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Home cleaning robot729US 6,459,955 B1The Procter & Gamble Company · 2002
- Fire condition detection and control system for air moving and filtering units228US 4,818,970 AGPAC, Inc. · 1989
- HVAC communication system211US 7,510,126 B2Comverge, Inc. · 2009
- Ubiquitous connectivity and control system for remote locations184US 7,257,397 B22007
- HVAC communication system117US 7,648,077 B2Emerson Electric Co. · 2010