F24F 11/30
Control or safety arrangements: for purposes related to the operation of the
Official title: for purposes related to the operation of the system, e.g. for safety or monitoring
F24F11/30 (Control or safety arrangements: for purposes related to the operation of the) appears on 8,337 US grants and 9,876 published applications in this corpus.
Search patents in F24F- Granted patents
- 8,337
- Published applications
- 9,876
- Assignees
- 2,272
- Inventors
- 14,765
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 27 | 0 |
| 1978 | 17 | 0 |
| 1979 | 24 | 0 |
| 1980 | 23 | 0 |
| 1981 | 38 | 0 |
| 1982 | 29 | 0 |
| 1983 | 29 | 0 |
| 1984 | 42 | 0 |
| 1985 | 40 | 0 |
| 1986 | 28 | 0 |
| 1987 | 27 | 0 |
| 1988 | 31 | 0 |
| 1989 | 34 | 0 |
| 1990 | 35 | 0 |
| 1991 | 24 | 0 |
| 1992 | 34 | 0 |
| 1993 | 57 | 0 |
| 1994 | 59 | 0 |
| 1995 | 62 | 0 |
| 1996 | 62 | 0 |
| 1997 | 60 | 0 |
| 1998 | 84 | 0 |
| 1999 | 59 | 0 |
| 2000 | 63 | 0 |
| 2001 | 84 | 19 |
| 2002 | 67 | 67 |
| 2003 | 65 | 77 |
| 2004 | 72 | 124 |
| 2005 | 63 | 159 |
| 2006 | 97 | 178 |
| 2007 | 85 | 165 |
| 2008 | 79 | 194 |
| 2009 | 58 | 189 |
| 2010 | 130 | 262 |
| 2011 | 114 | 257 |
| 2012 | 166 | 341 |
| 2013 | 174 | 319 |
| 2014 | 209 | 422 |
| 2015 | 274 | 619 |
| 2016 | 282 | 612 |
| 2017 | 465 | 687 |
| 2018 | 540 | 620 |
| 2019 | 682 | 659 |
| 2020 | 699 | 713 |
| 2021 | 589 | 715 |
| 2022 | 573 | 647 |
| 2023 | 587 | 560 |
| 2024 | 518 | 572 |
| 2025 | 415 | 421 |
| 2026 | 241 | 278 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device based on activity within property6 Oct 2026US 12,753,938 B2Alarm.com Incorporated
- Automated techniques for HVAC system commissioning6 Oct 2026US 12,753,939 B2Belimo Holding AG
- 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.
- Humidifier29 Sep 2026US 12,747,878 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.
- 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.
- Methods, controllers, and machine-readable storage media for automated commissioning of equipment8 Oct 2026US 2026/0313820 A1PassiveLogic, Inc.
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