A24D 3/041
With adjustable means for modifying the degree of filtration of the filter
Official title: {with adjustable means for modifying the degree of filtration of the filter}
A24D3/041 (With adjustable means for modifying the degree of filtration of the filter) appears on 90 US grants and 83 published applications in this corpus.
Search patents in A24D- Granted patents
- 90
- Published applications
- 83
- Assignees
- 30
- Inventors
- 185
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 5 |
| 2013 | 3 | 5 |
| 2014 | 4 | 11 |
| 2015 | 4 | 11 |
| 2016 | 2 | 4 |
| 2017 | 7 | 5 |
| 2018 | 6 | 9 |
| 2019 | 5 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Filter portion for flavor inhalation article and flavor inhalation article23 Jul 2026US 2026/0206835 A1Japan Tobacco Inc.
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- Replaceable filtration system and apparatus11 Jun 2026US 2026/0157427 A1Altria Client Services LLC
Most cited
By later US patents
- Filter cigarette112US 4,687,008 APhilip Morris Incorporated · 1987
- Method and apparatus for incorporating objects into cigarette filters103US 7,115,085 B2R. J. Reynolds Tobacco Company · 2006
- Filter cigarette83US 4,649,944 APhilip Morris Incorporated · 1987
- Filter cigarette79US 4,677,995 APhilip Morris Incorporated · 1987
- Filter cigarette64US 4,848,375 APhilip Morris Incorporated · 1989