F24F 8/108
Using dry filter elements
Official title: using dry filter elements
F24F8/108 (Using dry filter elements) appears on 857 US grants and 1,138 published applications in this corpus.
Search patents in F24F- Granted patents
- 857
- Published applications
- 1,138
- Assignees
- 552
- Inventors
- 2,365
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 16 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 14 | 0 |
| 1993 | 4 | 0 |
| 1994 | 18 | 0 |
| 1995 | 17 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 19 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 2 |
| 2002 | 11 | 5 |
| 2003 | 10 | 14 |
| 2004 | 6 | 19 |
| 2005 | 11 | 24 |
| 2006 | 11 | 23 |
| 2007 | 9 | 11 |
| 2008 | 10 | 16 |
| 2009 | 11 | 16 |
| 2010 | 7 | 23 |
| 2011 | 10 | 19 |
| 2012 | 17 | 22 |
| 2013 | 18 | 17 |
| 2014 | 15 | 27 |
| 2015 | 17 | 20 |
| 2016 | 18 | 34 |
| 2017 | 30 | 48 |
| 2018 | 22 | 29 |
| 2019 | 31 | 53 |
| 2020 | 33 | 58 |
| 2021 | 39 | 85 |
| 2022 | 45 | 138 |
| 2023 | 58 | 148 |
| 2024 | 90 | 126 |
| 2025 | 70 | 97 |
| 2026 | 68 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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By later US patents
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