F24F 2003/0446
With a single air duct for transporting treated air from the central
Official title: {with a single air duct for transporting treated air from the central station to the rooms}
F24F2003/0446 (With a single air duct for transporting treated air from the central) appears on 39 US grants and 42 published applications in this corpus.
Search patents in F24F- Granted patents
- 39
- Published applications
- 42
- Assignees
- 24
- Inventors
- 60
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 1 | 6 |
| 2021 | 6 | 10 |
| 2022 | 0 | 1 |
| 2023 | 6 | 7 |
| 2024 | 3 | 2 |
| 2025 | 4 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and means of air conditioning214US 5,058,388 ALuminus Pty., Ltd. · 1991
- Variable volume multizone system125US 4,630,670 ACarrier Corporation · 1986
- Air conditioning apparatus84US 4,819,714 AMitsubishi Denki Kabushiki Kaisha · 1989
- Variable volume multizone system41US 4,549,601 ACarrier Corporation · 1985
- System and method for controlling supply fan speed within a variable air volume system40US 8,483,883 B12013