A23B 2/20
Preservation of foods or foodstuffs, in general: by heating materials in packages
Official title: by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
A23B2/20 (Preservation of foods or foodstuffs, in general: by heating materials in packages) appears on 314 US grants and 295 published applications in this corpus.
Search patents in A23B- Granted patents
- 314
- Published applications
- 295
- Assignees
- 189
- Inventors
- 637
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 5 |
| 2003 | 3 | 10 |
| 2004 | 4 | 5 |
| 2005 | 3 | 9 |
| 2006 | 3 | 6 |
| 2007 | 3 | 2 |
| 2008 | 2 | 5 |
| 2009 | 3 | 12 |
| 2010 | 6 | 12 |
| 2011 | 1 | 7 |
| 2012 | 6 | 8 |
| 2013 | 5 | 21 |
| 2014 | 4 | 17 |
| 2015 | 10 | 8 |
| 2016 | 16 | 12 |
| 2017 | 9 | 22 |
| 2018 | 11 | 19 |
| 2019 | 7 | 26 |
| 2020 | 8 | 12 |
| 2021 | 15 | 10 |
| 2022 | 9 | 11 |
| 2023 | 4 | 16 |
| 2024 | 8 | 19 |
| 2025 | 11 | 16 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hot fill container with wavy groove29 Sep 2026US 12,747,060 B2The Coca-Cola Company
- Method for regulating a velocity of a conveyor belt of a container treatment machine and device for carrying out the method25 Aug 2026US 12,715,709 B2Krones AG
- Sterilization module and opening/closing module16 Jun 2026US 12,653,202 B2Cj Cheiljedang Corporation
- Method for preparation of instant food having improved taste, nutritional value, and texture16 Jun 2026US 12,653,204 B2Cj Cheiljedang Corporation
- Continuous low temperature pasteurization system and method2 Jun 2026US 12,642,278 B2JBT Marel Corporation
- Continuous low temperature pasteurization system and method27 Aug 2026US 2026/0248147 A1JBT Marel Corporation
- Method and system for preparing a food product2 Jul 2026US 2026/0182591 A1Micvac AB
- Spiral conveyor thermal processing system7 May 2026US 2026/0123635 A1JBT Marel Corporation
- Auger-style liquid treatment tanks with instrumentation12 Feb 2026US 2026/0041107 A1Morris & Associates, Inc.
- Heating medium injectors and injection methods for heating foodstuffs13 Nov 2025US 2025/0344708 A1Empirical Innovations, Inc.
Most cited
By later US patents
- Apparatus for continuous microwave sterilization of food in pouches79US 3,961,569 AThe United States of America as represented by the Secretary of the Army · 1976
- Thermal treatment of food products73US 4,479,776 A1984
- Cooking oven for slow cooking of food products71US 5,078,120 AStein & Co. GmbH · 1992
- Equipment for handling various containers63US 4,807,421 AMitsubishi Jukogyo Kabushiki Kaisha · 1989
- Method of pasteurizing or sterilizing foodstuffs utilizing microwaves59US 5,066,503 AOfficine Meccaniche Attrezzature per Ceramiche · 1991