F24F 2221/40
Hvac with raised floors
Official title: HVAC with raised floors
F24F2221/40 (Hvac with raised floors) appears on 93 US grants and 105 published applications in this corpus.
Search patents in F24F- Granted patents
- 93
- Published applications
- 105
- Assignees
- 63
- Inventors
- 192
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 7 | 5 |
| 2004 | 3 | 6 |
| 2005 | 4 | 8 |
| 2006 | 4 | 3 |
| 2007 | 4 | 8 |
| 2008 | 1 | 7 |
| 2009 | 2 | 5 |
| 2010 | 3 | 6 |
| 2011 | 2 | 9 |
| 2012 | 5 | 9 |
| 2013 | 2 | 3 |
| 2014 | 4 | 3 |
| 2015 | 5 | 2 |
| 2016 | 4 | 2 |
| 2017 | 3 | 1 |
| 2018 | 3 | 4 |
| 2019 | 4 | 4 |
| 2020 | 2 | 5 |
| 2021 | 3 | 1 |
| 2022 | 4 | 4 |
| 2023 | 2 | 2 |
| 2024 | 1 | 4 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air conditioning system, floor blowing air conditioner, control method, and storage medium29 Sep 2026US 12,747,887 B2Carrier Japan Corporation
- Integrated ventilation and heat recovery terminal23 Dec 2025US 12,504,185 B2
- Air delivery assemblies, methods, and kits for delivering ions7 Jan 2025US 12,188,684 B2AirFixture L.L.C.
- Raised floor air sanitization system14 May 2024US 11,982,467 B2Cable Management Solutions Inc.
- Floor air diffuser16 May 2023US 11,649,983 B2Air Distribution Technologies IP, LLC
- Raised ventilation flooring structure11 Jul 2024US 2024/0230144 A1GoFlow Technology IP B.V.
- System and method for providing individualized climate control18 Apr 2024US 2024/0125508 A1SottoStudios Inc.
- Integrated ventilation and heat recovery terminal11 Apr 2024US 2024/0117979 A1
- Air conditioning system, floor blowing air conditioner, control method, and storage medium8 Feb 2024US 2024/0044544 A1Toshiba Carrier Corporation
- Adjustable Multi-Tier Floor Vent Systems, Components, and Related Methods21 Sep 2023US 2023/0296283 A1
Most cited
By later US patents
- Smart cooling of data centers277US 6,574,104 B2Hewlett-Packard Development Company, L. P. · 2003
- Data center cooling system275US 6,374,627 B12002
- Air conditioning method in machine room having forced air-cooling equipment housed therein247US 5,718,628 ANippon Telegraph and Telephone Corporation · 1998
- Raised floor air handling unit154US 6,616,524 B22003
- Computer rack heat extraction device146US 6,557,357 B2TOC Technology, LLC · 2003