A47J 39/003
Heat-insulated warming chambers: with forced air circulation
Official title: {with forced air circulation}
A47J39/003 (Heat-insulated warming chambers: with forced air circulation) appears on 147 US grants and 144 published applications in this corpus.
Search patents in A47J- Granted patents
- 147
- Published applications
- 144
- Assignees
- 69
- Inventors
- 274
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 5 |
| 2003 | 7 | 8 |
| 2004 | 5 | 7 |
| 2005 | 2 | 9 |
| 2006 | 4 | 5 |
| 2007 | 1 | 0 |
| 2008 | 1 | 7 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 3 | 4 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 10 |
| 2015 | 3 | 3 |
| 2016 | 5 | 7 |
| 2017 | 1 | 3 |
| 2018 | 8 | 1 |
| 2019 | 11 | 24 |
| 2020 | 9 | 12 |
| 2021 | 6 | 11 |
| 2022 | 11 | 1 |
| 2023 | 9 | 3 |
| 2024 | 2 | 8 |
| 2025 | 3 | 4 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Storage device for processed foods119US 4,426,923 A1984
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- Portable unit for heating packaged food91US 4,455,478 ASunset Ltd. · 1984