A24D 3/0225
With solid additives
Official title: {with solid additives, e.g. incorporation of a granular product (A24D3/0216 takes precedence)}
A24D3/0225 (With solid additives) appears on 85 US grants and 100 published applications in this corpus.
Search patents in A24D- Granted patents
- 85
- Published applications
- 100
- Assignees
- 40
- Inventors
- 224
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 5 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 2 | 6 |
| 2007 | 0 | 3 |
| 2008 | 1 | 9 |
| 2009 | 4 | 5 |
| 2010 | 3 | 4 |
| 2011 | 6 | 5 |
| 2012 | 4 | 4 |
| 2013 | 5 | 2 |
| 2014 | 2 | 8 |
| 2015 | 6 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 4 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 7 |
| 2024 | 1 | 6 |
| 2025 | 1 | 5 |
By publication year. Applications have been published since 2001.
Recent patents
- Smoking article filter including solid flavoring agent and method of manufacturing the same7 Oct 2025US 12,433,328 B2Kt&G Corporation
- Method for making a sub-unit of a smoking article4 Jun 2024US 11,998,041 B2G. D S.p.A.
- Device for forming a multi-flavor composite structure filter rod in one step and a method thereof using the device14 Nov 2023US 11,812,779 B2China Tobacco Yunnan Industrial Co., Ltd
- Filling unit for filling a succession of tubular wrappers of the tobacco industry2 Aug 2022US 11,399,565 B2G. D S.p.A.
- Method and apparatus for producing micro bead bearing filter rod5 Oct 2021US 11,134,713 B2Altria Client Services LLC
- Smoking article filter including solid flavoring agent and method of manufacturing the same25 Dec 2025US 2025/0386858 A1Kt&G Corporation
- Aerosol-generating rod production using a curved and tapered contact surface3 Jul 2025US 2025/0212940 A1Philip Morris Products S. A.
- Flavored sheet including activated carbon, and filter and smoking article each including the same22 May 2025US 2025/0160394 A1Kt&G Corporation
- Tobacco rod, aerosol-generating article including the same, and aerosol generation device used therewith6 Mar 2025US 2025/0072479 A1Kt&G Corporation
- Aerosol-generating article comprising a cavity with germinable plant seeds9 Jan 2025US 2025/0009015 A1Philip Morris Products S. A.
Most cited
By later US patents
- Process and apparatus for high-speed filling of composite cigarette filters88US 6,537,186 B1Baumgartner Papiers S.A. · 2003
- Method and apparatus for high speed delivery of particulate material57US 5,875,824 A1999
- Glue transfer apparatus for cigarette filters48US 4,174,720 ALiggett Group Inc. · 1979
- Material transfer method and apparatus35US 4,005,668 APhilip Morris Incorporated · 1977
- Method of the production of cigarette filters32US 4,223,597 ABaumgartner Papiers S.A. · 1980