F24F 1/0018
Characterised by fans
Official title: characterised by fans (with secondary air induced by injector action of the primary air F24F1/01)
F24F1/0018 (Characterised by fans) appears on 534 US grants and 696 published applications in this corpus.
Search patents in F24F- Granted patents
- 534
- Published applications
- 696
- Assignees
- 169
- Inventors
- 1,471
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 4 |
| 2003 | 4 | 1 |
| 2004 | 3 | 12 |
| 2005 | 5 | 13 |
| 2006 | 9 | 7 |
| 2007 | 8 | 10 |
| 2008 | 3 | 14 |
| 2009 | 6 | 16 |
| 2010 | 4 | 12 |
| 2011 | 5 | 12 |
| 2012 | 10 | 16 |
| 2013 | 6 | 19 |
| 2014 | 3 | 14 |
| 2015 | 7 | 19 |
| 2016 | 17 | 38 |
| 2017 | 23 | 43 |
| 2018 | 35 | 62 |
| 2019 | 46 | 42 |
| 2020 | 44 | 61 |
| 2021 | 45 | 55 |
| 2022 | 45 | 55 |
| 2023 | 39 | 49 |
| 2024 | 48 | 59 |
| 2025 | 50 | 47 |
| 2026 | 19 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circulating air module and circulating air module system29 Sep 2026US 12,747,870 B2Envola GmbH
- Indoor unit of air conditioner29 Sep 2026US 12,747,871 B2Fujitsu General Limited
- Housing positioning structure for ventilation fan22 Sep 2026US 12,742,556 B2Delta Electronics, Inc.
- Ceiling-type air conditioner18 Aug 2026US 12,710,182 B2Samsung Electronics Co., Ltd.
- Air conditioner with multiple fans and related control method28 Jul 2026US 12,693,040 B2Mitsubishi Electric Corporation
- Fan Impeller Mid-Segment, Cross-Flow Fan Impeller and Air Conditioner27 Aug 2026US 2026/0251160 A1Gree Electric Appliances, Inc. of Zhuhai
- Air conditioner27 Aug 2026US 2026/0251345 A1Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Air conditioner20 Aug 2026US 2026/0243463 A1Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Air conditioner13 Aug 2026US 2026/0235303 A1LG Electronics Inc.
- Indoor unit and air conditioner including indoor unit23 Jul 2026US 2026/0210564 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Configurable system and method for cooling a room91US 6,557,624 B1Liebert Corporation · 2003
- Air conditioner66US 7,185,504 B2Daikin Industries, Ltd. · 2007
- Apparatus and method for controlling temperature and humidity of a conditioned space55US 6,295,823 B1CH2M Hill, Inc. · 2001
- Packaged air conditioner47US 4,733,543 AEnviromaster International Corporation · 1988
- Ceiling mounted apparatus for heating and cooling47US 6,250,373 B1Carrier Corporation · 2001