A24F 7/04
Mouthpieces for pipes: with smoke filters
Official title: with smoke filters
A24F7/04 (Mouthpieces for pipes: with smoke filters) appears on 97 US grants and 154 published applications in this corpus.
Search patents in A24F- Granted patents
- 97
- Published applications
- 154
- Assignees
- 52
- Inventors
- 235
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 10 |
| 2018 | 1 | 22 |
| 2019 | 10 | 23 |
| 2020 | 17 | 19 |
| 2021 | 11 | 9 |
| 2022 | 8 | 18 |
| 2023 | 11 | 13 |
| 2024 | 10 | 5 |
| 2025 | 4 | 8 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Vaping device with integrated smoke neutralization10 Feb 2026US 12,543,794 B1Mc Holdings US LLC
- Aerosol generating system and cartridge with leakage protection11 Nov 2025US 12,465,088 B2Philip Morris Products S. A.
- Interface for smokable element to connect to a smoke and/or tar filter and related methods4 Mar 2025US 12,239,159 B2Filter420, LLC
- Flavor-generating article and smoking system24 Sep 2026US 2026/0283234 A1Japan Tobacco Inc.
- Smoking Filter27 Aug 2026US 2026/0248173 A1Snap Wrap, LLC
- Vaping device with integrated smoke neutralization13 Aug 2026US 2026/0232033 A1Mc Holdings US LLC
- Vaping device with integrated smoke neutralization6 Aug 2026US 2026/0223940 A1Mc Holdings US LLC
- Ionic Personal Exhalant Filter30 Jul 2026US 2026/0215495 A1Philter Labs, Inc.
Most cited
By later US patents
- Tobacco filter and method of removing impurities from tobacco smoke124US 4,253,476 A1981
- Electronic smoking systems, devices, and methods48US 10,292,436 B2ARC Innovations Limited · 2019
- Smoking apparatus having convoluted filtering/heat-reduction passageway39US 4,677,992 A1987
- Inhalation device and inhalant apparatus36US 10,492,526 B2British American Tobacco (Investments) Limited · 2019
- Filtering tobacco smoke34US 3,998,232 A1976