A21B 2/00
Baking apparatus employing high-frequency or infrared heating
A21B2/00 (Baking apparatus employing high-frequency or infrared heating) appears on 85 US grants and 51 published applications in this corpus.
Search patents in A21B- Granted patents
- 85
- Published applications
- 51
- Assignees
- 75
- Inventors
- 196
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 5 |
| 2005 | 3 | 3 |
| 2006 | 4 | 2 |
| 2007 | 3 | 4 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 6 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 3 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular cooking appliance4 Mar 2025US 12,239,255 B2Automation Tech, LLC
- Continuous mode conveyor cooking utilizing hot air jet impingement and microwave energy18 Jun 2024US 12,016,107 B2Texas Research International, Inc.
- Composition and process for a one minute fresh baked cookie17 Oct 2023US 11,785,954 B2
- Browning control for an oven30 May 2023US 11,659,840 B2Illinois Tool Works Inc.
- Cooking oven having an active vent2 May 2023US 11,639,797 B2Ovention, Inc.
- A method of operating a baking oven and baking oven8 Oct 2026US 2026/0305621 A1E. G. O. Elektro-Geratebau GmbH
- Control methods for infrared conveyor ovens24 Jul 2025US 2025/0234869 A1The Middleby Corporation
- A Packaged Food Heating Device5 Jun 2025US 2025/0180219 A1FASE Vending, LLC
- Continuous mode conveyor cooking utilizing hot air jet impingement and microwave energy12 Sep 2024US 2024/0306272 A1Texas Research International, Inc.
- Route-based optimization of object displays on user interfaces9 May 2024US 2024/0151401 A9Google Inc.
Most cited
By later US patents
- Tunnel oven121US 4,554,437 APet Incorporated · 1985
- Food warming apparatus and method102US 7,105,779 B2Duke Manufacturing Co. · 2006
- Oven for heating a product with RF energy73US 6,914,226 B2Comdel, Inc. · 2005
- Tunnel-type conveyor oven having two types of heat sources62US 5,906,485 AReading Pretzel Machinery Corp. · 1999
- Infrared heating control58US 5,134,263 A1992