A24C 5/52
Incorporating filters or mouthpieces into a cigarette rod or a tobacco rod
A24C5/52 (Incorporating filters or mouthpieces into a cigarette rod or a tobacco rod) appears on 17 US grants and 14 published applications in this corpus.
Search patents in A24C- Granted patents
- 17
- Published applications
- 14
- Assignees
- 11
- Inventors
- 38
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 4 |
| 2018 | 0 | 1 |
| 2019 | 3 | 0 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Additive assembly for a tobacco filter tow18 Mar 2025US 12,250,964 B2British American Tobacco (Investments) Limited
- Cellulose acetate particle aggregate, preparation method therefor and application thereof2 Jul 2024US 12,022,860 B2Nantong Cellulose Fibers Co., Ltd.
- Apparatus for rolling or wrapping materials within an elongated wrapper, and associated accessories31 Jan 2023US 11,564,410 B2
- Cellulose acetate particle aggregate, preparation method therefor and application thereof19 Jan 2021US 10,893,701 B2Nantong Cellulose Fibers Co., Ltd.
- Modular machine for processing and/or testing rod-shaped articles, and related methods12 Jan 2021US 10,888,110 B2Hauni Maschinenbau AG
- Aerosol-generating article assembly on a conveyor with a spacer6 Nov 2025US 2025/0338887 A1Philip Morris Products S. A.
- Segment for a smoking article comprising a calendered fiber web24 Apr 2025US 2025/0127208 A1delfortgroup AG
- Apparatus for Rolling or Wrapping Materials Within an Elongated Wrapper, and Associated Accessories29 Sep 2022US 2022/0304367 A1
- An additive assembly for a tobacco filter tow13 Jan 2022US 2022/0007711 A1British American Tobacco (Investments) Limited
- Cellulose acetate particle aggregate, preparation method therefor and application thereof1 Apr 2021US 2021/0092995 A1Nantong Cellulose Fibers Co., Ltd.
Most cited
By later US patents
- Conveying and uniting rod-like articles of the tobacco industry37US 4,643,203 AMolins Limited · 1987
- Manufacture of filter-tipped cigarettes15US 3,999,559 AMolins Limited · 1976
- Conveying rod-like articles8US 4,723,559 AMolins Limited · 1988
- Cigarette manufacture4US 4,548,216 AMolins Limited · 1985
- Uniting rod-like articles, particularly for filter cigarette manufacture4US 4,667,687 AMolins Limited · 1987