A21B 1/52
Portable ovens
Official title: Portable ovens; Collapsible ovens
A21B1/52 (Portable ovens) appears on 30 US grants and 32 published applications in this corpus.
Search patents in A21B- Granted patents
- 30
- Published applications
- 32
- Assignees
- 23
- Inventors
- 56
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 3 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 4 | 4 |
| 2025 | 2 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular cooking appliance having a hot air oven25 Aug 2026US 12,714,112 B2Automation Tech, LLC
- Portable motorized high temperature pizza oven16 Jun 2026US 12,653,195 B2Hyperdesign, LLC
- En route food product preparation21 Apr 2026US 12,605,845 B2Congruens Group, LLC
- Oven17 Mar 2026US 12,575,576 B2
- Pizza oven19 Aug 2025US 12,389,915 B1
- En route food product preparation17 Sep 2026US 2026/0273768 A1Congruens Group, LLC
- Portable baking oven5 Jun 2025US 2025/0176564 A1WH Products, LLC
- Portable motorized high temperature pizza oven7 Nov 2024US 2024/0365793 A1Hyperdesign, LLC
- Hand-shook pizza oven19 Sep 2024US 2024/0306651 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Oven15 Aug 2024US 2024/0268398 A1
Most cited
By later US patents
- Electrical portable broiler89US 9,314,134 B22016
- Electrically heated pizza package87US 4,134,004 AAmerican Can Company · 1979
- Pizza preparation and delivery system55US 4,632,836 APizza Hut, Inc. · 1986
- Countertop oven39US 4,476,848 A1984
- Portable DC and AC electric cooking apparatus35US 6,369,366 B12002