F24F 11/0001
Control or safety arrangements: for ventilation
Official title: {for ventilation (F24F11/30 takes precedence)}
F24F11/0001 (Control or safety arrangements: for ventilation) appears on 1,442 US grants and 1,707 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,442
- Published applications
- 1,707
- Assignees
- 786
- Inventors
- 3,160
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 13 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 17 | 0 |
| 1994 | 17 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 13 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 6 |
| 2002 | 18 | 12 |
| 2003 | 22 | 21 |
| 2004 | 17 | 24 |
| 2005 | 15 | 29 |
| 2006 | 16 | 33 |
| 2007 | 13 | 49 |
| 2008 | 14 | 38 |
| 2009 | 11 | 38 |
| 2010 | 14 | 65 |
| 2011 | 17 | 65 |
| 2012 | 31 | 49 |
| 2013 | 34 | 71 |
| 2014 | 33 | 71 |
| 2015 | 43 | 87 |
| 2016 | 54 | 77 |
| 2017 | 79 | 74 |
| 2018 | 61 | 109 |
| 2019 | 81 | 112 |
| 2020 | 99 | 98 |
| 2021 | 101 | 110 |
| 2022 | 99 | 144 |
| 2023 | 86 | 117 |
| 2024 | 91 | 91 |
| 2025 | 77 | 63 |
| 2026 | 42 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Work space forming equipment, work method, and management space facility22 Sep 2026US 12,742,558 B2Jgc Japan Corporation
- Temperature chamber and environment forming device22 Sep 2026US 12,742,561 B2Espec Corp.
- Indoor environment control system and operation method thereof22 Sep 2026US 12,742,562 B2Industry-Academic Cooperation Foundation, Dankook University
- Secondary outside air path for a heat pump8 Sep 2026US 12,729,866 B2Flo Energy Solutions Inc.
- Systems and methods for managing air quality in a surgical environment25 Aug 2026US 12,718,934 B2Stryker Corporation
- System and method for characterizing outdoor air ventilation in an indoor environment17 Sep 2026US 2026/0276227 A1Poppy Health, Inc.
- Ventilation device having oxygen-supplying function and ventilation method using same3 Sep 2026US 2026/0258962 A1LG Electronics Inc.
- Air quality monitoring system and method3 Sep 2026US 2026/0259186 A1Antrum, Inc.
- Ventilation unit for a space27 Aug 2026US 2026/0251325 A1Clairitech Innovations Inc.
- Inline duct fan, control system, and method of controlling the same20 Aug 2026US 2026/0243274 A1Research Products Corporation
Most cited
By later US patents
- Control apparatus and method for maximizing energy saving in operation of HVAC equipment and the like283US 5,909,378 A1999
- Air conditioning method in machine room having forced air-cooling equipment housed therein247US 5,718,628 ANippon Telegraph and Telephone Corporation · 1998
- Self configuring controller243US 5,276,630 AAmerican Standard Inc. · 1994
- Direct digital control apparatus for automated monitoring and control of building systems226US 4,497,031 AJohnson Service Company · 1985
- Air flow management system for an internet data center215US 6,672,955 B2International Business Machines Corporation · 2004