A24D 3/025
Final operations, i.e. after the filter rod forming process
Official title: {Final operations, i.e. after the filter rod forming process (A24D3/0275 takes precedence)}
A24D3/025 (Final operations, i.e. after the filter rod forming process) appears on 100 US grants and 115 published applications in this corpus.
Search patents in A24D- Granted patents
- 100
- Published applications
- 115
- Assignees
- 42
- Inventors
- 232
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 5 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 11 |
| 2015 | 1 | 5 |
| 2016 | 5 | 12 |
| 2017 | 3 | 3 |
| 2018 | 4 | 4 |
| 2019 | 5 | 11 |
| 2020 | 3 | 6 |
| 2021 | 4 | 7 |
| 2022 | 2 | 6 |
| 2023 | 7 | 8 |
| 2024 | 7 | 10 |
| 2025 | 6 | 4 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filter for smoking or vaping article comprising a two-layer material11 Aug 2026US 12,702,158 B2SWM Holdings US, LLC
- Cooling filter rod and application thereof2 Jun 2026US 12,642,295 B2China Tobacco Hunan Industrial Co., Ltd.
- Article10 Mar 2026US 12,569,005 B2Nicoventures Trading Limited
- Tobacco smoke filter and method of production3 Mar 2026US 12,564,214 B2Filtrona Pte. Ltd.
- Shaping a tobacco industry product10 Feb 2026US 12,543,779 B2British American Tobacco (Investments) Limited
- Manufacturing machine for rod used in flavor inhaler and manufacturing method for rod10 Sep 2026US 2026/0262709 A1Japan Tobacco Inc.
- Multi-filter device for hoffmann compounds in gaseous media10 Sep 2026US 2026/0262711 A1Compania Industrial De Tabacos Monte Paz S.A.
- Flavor inhaler filter and flavor inhaler30 Jul 2026US 2026/0215491 A1Japan Tobacco Inc.
- Apparatus for pushing together rod-like articles of tobacco industry14 May 2026US 2026/0130410 A1INTERNATIONAL TOBACCO MACHINERY POLAND Sp.z.o.o.
- Filter comprising a paper substrate comprising a monolayer base web with different fibrous portions7 May 2026US 2026/0123662 A1
Most cited
By later US patents
- Cigarette72US 4,331,166 APhilip Morris Incorporated · 1982
- Apparatus for inserting objects into a filter component of a smoking article, and associated method48US 7,972,254 B2R. J. Reynolds Tobacco Company · 2011
- Coated impregnated porous filter plug39US 8,402,978 B2Philip Morris USA Inc. · 2013
- Production of tobacco-smoke filters25US 4,149,546 ABritish-American Tobacco Company Limited · 1979
- Apparatus for inserting objects into a filter component of a smoking article23US 8,262,550 B2R. J. Reynolds Tobacco Company · 2012