F24F 13/0245
Manufacturing or assembly of air ducts
Official title: {Manufacturing or assembly of air ducts; Methods therefor}
F24F13/0245 (Manufacturing or assembly of air ducts) appears on 229 US grants and 303 published applications in this corpus.
Search patents in F24F- Granted patents
- 229
- Published applications
- 303
- Assignees
- 141
- Inventors
- 440
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 6 |
| 2003 | 1 | 4 |
| 2004 | 3 | 7 |
| 2005 | 2 | 4 |
| 2006 | 5 | 8 |
| 2007 | 2 | 7 |
| 2008 | 0 | 13 |
| 2009 | 3 | 8 |
| 2010 | 7 | 6 |
| 2011 | 4 | 13 |
| 2012 | 4 | 4 |
| 2013 | 4 | 8 |
| 2014 | 6 | 16 |
| 2015 | 15 | 12 |
| 2016 | 11 | 18 |
| 2017 | 11 | 11 |
| 2018 | 5 | 18 |
| 2019 | 13 | 22 |
| 2020 | 18 | 30 |
| 2021 | 16 | 12 |
| 2022 | 17 | 18 |
| 2023 | 22 | 15 |
| 2024 | 10 | 16 |
| 2025 | 16 | 16 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pocket flange forming device for duct3 Mar 2026US 12,564,872 B2Jinwoong Technology Co., Ltd.
- System and method for forming a full engagement male lock in a ductline3 Mar 2026US 12,565,947 B2Mestek Machinery, Inc.
- Gas-duct with a sound absorbing component10 Feb 2026US 12,545,005 B2Zephyros, Inc.
- System and method for shaping a duct section13 Jan 2026US 12,521,934 B2Plastiques G Plus Inc.
- Duct replacement device and method of use13 Jan 2026US 12,523,391 B2
- Process for forming an insulated register box in which the register box has a improved r-value27 Aug 2026US 2026/0249526 A1Sterling Custom Sheet Metal, Inc.
- Automated sealant application to assembled hvac duct components and blanks for forming assembled hvac duct components2 Jul 2026US 2026/0185734 A1
- System and method for mounting commercial vent covers14 May 2026US 2026/0132954 A1
- One step installation of vent assembly from inside the structure14 May 2026US 2026/0132955 A1
- Multi-purpose air duct tool2 Apr 2026US 2026/0091524 A1
Most cited
By later US patents
- Hollow foamed blow-molded article45US 8,435,615 B2Jsp Corporation · 2013
- Glass fiber duct board with coated grooves and the method of making the same42US 5,567,504 ASchuller International, Inc. · 1996
- Duct liners41US 6,148,867 AJohns Manville International, Inc. · 2000
- High air velocity duct board having minimal turbulence35US 5,783,268 AKnauf Fiber Glass GmbH · 1998
- Apparatus for connecting a branch duct to another duct32US 5,080,403 A1992