F24F 11/00
Control or safety arrangements
F24F11/00 (Control or safety arrangements) appears on 12,651 US grants and 15,164 published applications in this corpus.
Search patents in F24F- Granted patents
- 12,651
- Published applications
- 15,164
- Assignees
- 3,472
- Inventors
- 22,305
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 63 | 0 |
| 1977 | 61 | 0 |
| 1978 | 48 | 0 |
| 1979 | 40 | 0 |
| 1980 | 46 | 0 |
| 1981 | 65 | 0 |
| 1982 | 47 | 0 |
| 1983 | 46 | 0 |
| 1984 | 62 | 0 |
| 1985 | 72 | 0 |
| 1986 | 42 | 0 |
| 1987 | 52 | 0 |
| 1988 | 50 | 0 |
| 1989 | 69 | 0 |
| 1990 | 58 | 0 |
| 1991 | 50 | 0 |
| 1992 | 62 | 0 |
| 1993 | 89 | 0 |
| 1994 | 86 | 0 |
| 1995 | 96 | 0 |
| 1996 | 80 | 0 |
| 1997 | 96 | 0 |
| 1998 | 145 | 0 |
| 1999 | 112 | 0 |
| 2000 | 114 | 0 |
| 2001 | 123 | 27 |
| 2002 | 112 | 99 |
| 2003 | 113 | 130 |
| 2004 | 113 | 191 |
| 2005 | 85 | 204 |
| 2006 | 135 | 246 |
| 2007 | 114 | 241 |
| 2008 | 102 | 257 |
| 2009 | 90 | 273 |
| 2010 | 167 | 345 |
| 2011 | 155 | 347 |
| 2012 | 207 | 423 |
| 2013 | 217 | 426 |
| 2014 | 269 | 557 |
| 2015 | 339 | 747 |
| 2016 | 384 | 728 |
| 2017 | 588 | 853 |
| 2018 | 668 | 914 |
| 2019 | 874 | 1030 |
| 2020 | 1007 | 1160 |
| 2021 | 880 | 1254 |
| 2022 | 930 | 1161 |
| 2023 | 968 | 1109 |
| 2024 | 933 | 1047 |
| 2025 | 814 | 816 |
| 2026 | 513 | 579 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24F 11/30Control or safety arrangements: for purposes related to the operation of the8,337
- F24F 11/62Control or safety arrangements: characterised by the type of control or by5,701
- F24F 11/70Control systems characterised by their outputs5,335
- F24F 11/50Control or safety arrangements: characterised by user interfaces or communication5,165
- F24F 11/0001Control or safety arrangements: for ventilation1,442
- F24F 11/88Electrical aspects1,106
- F24F 11/89Arrangement or mounting of control or safety devices1,045
- F24F 11/0008Control or safety arrangements: for air-humidification410
Recent patents
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- Method, controller and system of controlling thermal power transfer through a thermal energy exchanger6 Oct 2026US 12,753,941 B2Belimo Holding AG
- Adjustable working fluid reservoir for HVAC system6 Oct 2026US 12,753,942 B2Tyco Fire & Security GmbH
- 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.
- Air conditioning appliances defrost8 Oct 2026US 2026/0309351 A1Haier US Appliance Solutions, Inc.
- Systems and method for providing automated heating, cooling and ventilation control8 Oct 2026US 2026/0309352 A1Universal Electronics Inc.
- Detection system and detection method8 Oct 2026US 2026/0309353 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Environmental condition control and energy management system and method768US 6,216,956 B1Tocom, Inc. · 2001
- Home cleaning robot729US 6,459,955 B1The Procter & Gamble Company · 2002
- System and method of controlling an HVAC system560US 7,130,719 B2Robertshaw Controls Company · 2006
- HVAC remote monitoring system530US 6,385,510 B12002
- Environmental condition control and energy management system and method470US 5,924,486 ATeCom AS · 1999