A24B 3/182
Puffing
Official title: {Puffing}
A24B3/182 (Puffing) appears on 154 US grants and 41 published applications in this corpus.
Search patents in A24B- Granted patents
- 154
- Published applications
- 41
- Assignees
- 45
- Inventors
- 268
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 13 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 3 | 4 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 3 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 4 |
| 2025 | 3 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of processing tobacco fines into a non-continuous tobacco material18 Aug 2026US 12,708,134 B2Nicoventures Trading Limited
- Vessel screen retaining system and method6 May 2025US 12,290,094 B2Philip Morris USA Inc.
- Methods for treating tobacco material, apparatus for treating tobacco material, treated tobacco material and uses thereof8 Apr 2025US 12,268,232 B2British American Tobacco (Investments) Limited
- Methods of treating cut stem tobacco material18 Mar 2025US 12,250,962 B2British American Tobacco (Investments) Limited
- Vessel screen retaining system and method5 Mar 2024US 11,918,030 B2Philip Morris USA Inc.
- Tobacco treatment1 Oct 2026US 2026/0293960 A1British American Tobacco Exports Limited
- Tobacco treatment30 Jul 2026US 2026/0215475 A1Nicoventures Trading Limited
- Method for producing a plant-based sheet26 Feb 2026US 2026/0053179 A1Philip Morris Products S. A.
- Smoking material including expanded tobacco leaves, method of preparing the same, and smoking article including the same9 Oct 2025US 2025/0311763 A1Kt&G Corporation
- Vessel screen retaining system and method7 Aug 2025US 2025/0248438 A1Philip Morris USA Inc.
Most cited
By later US patents
- Process and apparatus for impregnation and expansion of tobacco169US 5,649,552 APhilip Morris Incorporated · 1997
- Process for expanding tobacco113US 6,125,855 AImperial Tobacco Limited · 2000
- Expanding tobacco38US 4,340,073 APhilip Morris Incorporated · 1982
- Tobacco stem treatment and expanded tobacco product38US 4,388,933 APhilip Morris Incorporated · 1983
- Process for the expansion of tobacco35US 4,235,250 APhilip Morris Incorporated · 1980