F24F 3/147
With both heat and humidity transfer between supplied and exhausted air
Official title: with both heat and humidity transfer between supplied and exhausted air
F24F3/147 (With both heat and humidity transfer between supplied and exhausted air) appears on 225 US grants and 291 published applications in this corpus.
Search patents in F24F- Granted patents
- 225
- Published applications
- 291
- Assignees
- 154
- Inventors
- 552
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 2 | 3 |
| 2004 | 2 | 9 |
| 2005 | 6 | 3 |
| 2006 | 2 | 9 |
| 2007 | 5 | 3 |
| 2008 | 3 | 10 |
| 2009 | 3 | 5 |
| 2010 | 5 | 13 |
| 2011 | 2 | 6 |
| 2012 | 4 | 7 |
| 2013 | 6 | 15 |
| 2014 | 7 | 17 |
| 2015 | 4 | 17 |
| 2016 | 10 | 21 |
| 2017 | 11 | 24 |
| 2018 | 7 | 19 |
| 2019 | 15 | 13 |
| 2020 | 12 | 19 |
| 2021 | 12 | 19 |
| 2022 | 14 | 12 |
| 2023 | 16 | 10 |
| 2024 | 8 | 12 |
| 2025 | 12 | 11 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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