F24F 13/0209
Characterised by their connecting means
Official title: {characterised by their connecting means, e.g. flanges}
F24F13/0209 (Characterised by their connecting means) appears on 465 US grants and 423 published applications in this corpus.
Search patents in F24F- Granted patents
- 465
- Published applications
- 423
- Assignees
- 272
- Inventors
- 859
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 14 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 4 |
| 2002 | 8 | 7 |
| 2003 | 4 | 5 |
| 2004 | 6 | 9 |
| 2005 | 5 | 10 |
| 2006 | 5 | 12 |
| 2007 | 5 | 3 |
| 2008 | 4 | 17 |
| 2009 | 6 | 13 |
| 2010 | 10 | 21 |
| 2011 | 7 | 12 |
| 2012 | 8 | 9 |
| 2013 | 11 | 19 |
| 2014 | 7 | 15 |
| 2015 | 13 | 17 |
| 2016 | 12 | 16 |
| 2017 | 16 | 22 |
| 2018 | 15 | 18 |
| 2019 | 17 | 31 |
| 2020 | 18 | 26 |
| 2021 | 19 | 22 |
| 2022 | 22 | 34 |
| 2023 | 29 | 18 |
| 2024 | 16 | 29 |
| 2025 | 28 | 18 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for removable mounting of a hose into an air-conditioning duct15 Sep 2026US 12,736,167 B2
- Nestable ducts with rings11 Aug 2026US 12,704,206 B2
- Duct adaptor for an ion generation device and ion generation device for use therein4 Aug 2026US 12,698,921 B2Global Plasma Solutions, Inc.
- Universal air interface19 May 2026US 12,631,364 B2Zeppelin LLC
- Pocket flange forming device for duct3 Mar 2026US 12,564,872 B2Jinwoong Technology Co., Ltd.
- Ceiling-mounted room cooling exhaust fan assembly8 Oct 2026US 2026/0309345 A1Solatube International, Inc.
- Multifunctional Connector for a Distribution Device for Air Conditioning Systems10 Sep 2026US 2026/0266503 A1R.B.M. S.P.A.
- Stacked structure, and heat-exchange-type ventilation device and air purification device using same13 Aug 2026US 2026/0235318 A1Panasonic Intellectual Property Management Co., Ltd.
- Rail end mount and methods of use30 Jul 2026US 2026/0218817 A1Zipwall, LLC
- Automated sealant application to assembled hvac duct components and blanks for forming assembled hvac duct components2 Jul 2026US 2026/0185734 A1
Most cited
By later US patents
- Apparatus for connecting ducts with a self-sealing joint102US 3,955,834 AAktiebolaget Svenska Flaktfabriken · 1976
- Sheet-metal insulated register box with adjustable elbow fitting87US 5,957,506 AM & M Manufacturing, Inc. · 1999
- Quick connect air-conditioning coupling86US 5,464,042 AAeroquip Corporation · 1995
- Heating and cooling control methods and systems85US 8,543,244 B22013
- Duct connecting system67US 4,466,641 AIowa Precision Industries, Inc. · 1984