F24F 2013/0608
Perforated ducts
Official title: {Perforated ducts}
F24F2013/0608 (Perforated ducts) appears on 65 US grants and 62 published applications in this corpus.
Search patents in F24F- Granted patents
- 65
- Published applications
- 62
- Assignees
- 39
- Inventors
- 133
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 5 | 3 |
| 2004 | 1 | 4 |
| 2005 | 4 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 6 |
| 2018 | 0 | 4 |
| 2019 | 3 | 5 |
| 2020 | 5 | 3 |
| 2021 | 4 | 1 |
| 2022 | 5 | 6 |
| 2023 | 4 | 1 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Under-floor pliable air duct/dispersion systems29 Jul 2025US 12,372,256 B2Rite-Hite Holding Corporation
- Air-diffusion system manufactured via additive manufacturing27 May 2025US 12,313,283 B2BVN Architecture Pty Ltd
- Air duct systems and methods of air flow control14 Jan 2025US 12,196,444 B2Leiterman and Associates, Inc.
- Fabric drop-down diffusers10 Dec 2024US 12,164,220 B2Rite-Hite Holding Corporation
- Compact diffuser19 Sep 2023US 11,761,671 B2Air Distribution Technologies IP, LLC
- Air- diffusion system28 Aug 2025US 2025/0271169 A1Systems Reef Group Pty Ltd
- Ventilation and air-conditioning system24 Oct 2024US 2024/0353130 A1Framatome
- System for generating uniform diffusion of air22 Aug 2024US 2024/0280288 A1HCL Technologies Italy S.p.A.
- Under-floor pliable air duct/dispersion systems4 Jan 2024US 2024/0003562 A1Rite-Hite Holding Corporation
- Air duct systems and methods of air flow control2 Mar 2023US 2023/0064730 A1Leiterman and Associates, Inc.
Most cited
By later US patents
- Frame to support a deflated fabric air duct79US 6,280,320 B1Rite-Hite Holding Corporation · 2001
- Air distributor or collector52US 5,746,653 ASolar Attic, Inc. · 1998
- Evaporative cooling unit45US 5,497,633 ACool Zone Products & Promotions, Inc. · 1996
- Evaporative cooling apparatus43US 5,598,719 ACz, LLC · 1997
- Fabric air duct held in tension43US 6,425,417 B1Rite-Hite Holding Corporation · 2002