A24D 3/0237
By extrusion
Official title: {by extrusion}
A24D3/0237 (By extrusion) appears on 34 US grants and 40 published applications in this corpus.
Search patents in A24D- Granted patents
- 34
- Published applications
- 40
- Assignees
- 22
- Inventors
- 105
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 5 |
| 2014 | 0 | 3 |
| 2015 | 4 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 7 |
| 2022 | 0 | 1 |
| 2023 | 3 | 3 |
| 2024 | 5 | 2 |
| 2025 | 3 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aerosol-generating article comprising an aerosol-cooling element14 Apr 2026US 12,599,164 B2Philip Morris Products S. A.
- Die, die assembly, equipment and method for forming rods of fibrous material25 Nov 2025US 12,479,174 B2British American Tobacco (Investments) Limited
- Aerosol generating articles24 Jun 2025US 12,336,561 B2Philip Morris Products S. A.
- Bead feed unit and method14 Jan 2025US 12,193,479 B2Altria Client Services LLC
- Molding apparatus, cigarette filter rod and preparation method thereof5 Nov 2024US 12,133,550 B2China Tobacco Hunan Industrial Co., Ltd.
- Multi-filter device for hoffmann compounds in gaseous media10 Sep 2026US 2026/0262711 A1Compania Industrial De Tabacos Monte Paz S.A.
- Apparatus and method for producing a cross-sectionally shaped aerosol-generating material extrudate2 Jul 2026US 2026/0182621 A1Philip Morris Products S. A.
- Aerosol generating articles4 Jun 2026US 2026/0150891 A1Philip Morris Products S. A.
- Preparation method for polylactic acid fiber filter rod with good temperature resistance1 Jan 2026US 2026/0002291 A1China Tobacco Yunnan Industrial Co., Ltd
- Aerosol-generating article comprising an aerosol-cooling element4 Dec 2025US 2025/0366507 A1Philip Morris Products S. A.
Most cited
By later US patents
- Spunbond loop material for hook and loop fastening systems121US 5,669,900 AKimberly-Clark Worldwide, Inc. · 1997
- Ultra-high filtration filter29US 4,869,275 AAmerican Filtrona Corporation · 1989
- Spunbond cigarette filter25US 5,538,019 ASchweitzer-Mauduit International, Inc. · 1996
- Process for extruding plasticized open cell foamed cellulose acetate filters21US 4,180,536 ACelanese Corporation · 1979
- Process for producing cigarette filters17US 4,054,550 AMonsanto Company · 1977