A24D 3/022
With liquid additives
Official title: {with liquid additives, e.g. application of plasticisers}
A24D3/022 (With liquid additives) appears on 59 US grants and 70 published applications in this corpus.
Search patents in A24D- Granted patents
- 59
- Published applications
- 70
- Assignees
- 33
- Inventors
- 174
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 0 |
| 2020 | 3 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 7 |
| 2023 | 2 | 6 |
| 2024 | 3 | 10 |
| 2025 | 4 | 9 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Firm filter for aerosol-generating article7 Jul 2026US 12,672,671 B2Philip Morris Products S. A.
- Paper sheet filter element for a smoking article, and associated method3 Mar 2026US 12,564,215 B2R. J. Reynolds Tobacco Company
- Smoking tip with selectively infused flavor chamber18 Nov 2025US 12,471,623 B2
- Manufacturing device and manufacturing method for filler element used in flavor inhalation article21 Oct 2025US 12,446,616 B2Japan Tobacco Inc.
- Forming apparatus and method for forming a continuous tubular rod30 Sep 2025US 12,427,700 B2Philip Morris Products S. A.
- Filter for smoking article having lyocell tow, manufacturing method thereof, and smoking article having the same30 Jul 2026US 2026/0215494 A1Kolon Industries, Inc.
- Smoking tip with selectively infused flavor chamber16 Jul 2026US 2026/0198557 A1
- Paper sheet filter element for a smoking article, and associated method18 Jun 2026US 2026/0165366 A1R. J. Reynolds Tobacco Company
- Aerosol-generating article comprising a downstream element comprising a paper material14 May 2026US 2026/0130416 A1Philip Morris Products S. A.
- 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
- Apparatus for injecting a fluid into filter tow81US 5,387,285 AR. J. Reynolds Tobacco Company · 1995
- Method and apparatus for making cigarette filters with a centrally located flavored element74US 7,074,170 B2Philip Morris USA Inc. · 2006
- Apparatus for applying liquid additives to a continuous, multifilament tow65US 4,850,301 AR. J. Reynolds Tobacco Company · 1989
- Manufacture of tobacco smoke filters54US 4,549,875 AR. J. Reynolds Tobacco Company · 1985
- Apparatus for application of additives to cigarette filter tow29US 4,476,807 AR. J. Reynolds Tobacco Company · 1984