A23B 4/0523
Smoke generators using wood-pyrolysis or wood-friction
Official title: {Smoke generators using wood-pyrolysis or wood-friction}
A23B4/0523 (Smoke generators using wood-pyrolysis or wood-friction) appears on 114 US grants and 168 published applications in this corpus.
Search patents in A23B- Granted patents
- 114
- Published applications
- 168
- Assignees
- 72
- Inventors
- 250
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 8 |
| 2015 | 2 | 7 |
| 2016 | 4 | 6 |
| 2017 | 3 | 7 |
| 2018 | 7 | 11 |
| 2019 | 7 | 14 |
| 2020 | 10 | 12 |
| 2021 | 11 | 18 |
| 2022 | 5 | 20 |
| 2023 | 6 | 16 |
| 2024 | 9 | 12 |
| 2025 | 12 | 15 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Smoke generating assembly for a smoker8 Oct 2026US 2026/0305629 A1Haier US Appliance Solutions, Inc.
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Most cited
By later US patents
- Smoker grill attachment56US 4,467,709 A1984
- Barbecue grill smoker attachment and method of smoking food products56US 5,891,498 A1999
- Heat-activated smoke generating device53US 5,193,445 A1993
- Cooking device having heat sources in a stacked arrangement50US 10,292,531 B1Innovative Product Solutions, Inc. · 2019
- Combination oven with reduced smoke flavor transfer37US 9,375,021 B2Alto-Shaam, Inc. · 2016