A24D 3/045
With smoke acceleration means
Official title: {with smoke acceleration means, e.g. impact-filters}
A24D3/045 (With smoke acceleration means) appears on 49 US grants and 34 published applications in this corpus.
Search patents in A24D- Granted patents
- 49
- Published applications
- 34
- Assignees
- 23
- Inventors
- 98
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 4 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooling filter rod and application thereof2 Jun 2026US 12,642,295 B2China Tobacco Hunan Industrial Co., Ltd.
- Aerosol-generating article10 Feb 2026US 12,543,777 B2Kt&G Corporation
- Smoking article including flow restrictor23 Feb 2021US 10,925,311 B2Philip Morris Products S. A.
- Multi-stage filtration device13 Oct 2020US 10,798,965 B2Banana Bros, LLC
- Method and apparatus for manufacturing filters for smoking articles1 Sep 2020US 10,757,966 B2Philip Morris Products S. A.
- Aerosol-generating article comprising a mouth-end cooling element26 Dec 2024US 2024/0423261 A1Philip Morris Products S. A.
- Aerosol-generating article28 Mar 2024US 2024/0099358 A1Kt&G Corporation
- Additional filter device for cigarettes with fiber filter20 Jul 2023US 2023/0225393 A1
- Aerosol-generating article comprising an aerosol-cooling element with peripheral openings6 Oct 2022US 2022/0312832 A1Philip Morris Products S. A.
- Aerosol-generating article comprising an aerosol-cooling element with an elongated protrusion28 Jul 2022US 2022/0232885 A1Philip Morris Products S. A.
Most cited
By later US patents
- Cigarette72US 4,331,166 APhilip Morris Incorporated · 1982
- Cigarette mouthpiece59US 4,413,641 APhilip Morris Incorporated · 1983
- Cigarette filter56US 4,457,319 ABrown & Williamson Tobacco Corporation · 1984
- Cigarette filter52US 4,493,331 ABrown & Williamson Tobacco Corporation · 1985
- Cigarette smoke filter28US 5,190,061 ARothmans, Benson & Hedges Inc. · 1993