A23B 2/50
Preservation of foods or foodstuffs, in general: by irradiation without heating
Official title: by irradiation without heating
A23B2/50 (Preservation of foods or foodstuffs, in general: by irradiation without heating) appears on 507 US grants and 710 published applications in this corpus.
Search patents in A23B- Granted patents
- 507
- Published applications
- 710
- Assignees
- 387
- Inventors
- 1,247
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 5 | 1 |
| 2002 | 10 | 12 |
| 2003 | 12 | 25 |
| 2004 | 11 | 27 |
| 2005 | 9 | 19 |
| 2006 | 9 | 18 |
| 2007 | 6 | 13 |
| 2008 | 9 | 15 |
| 2009 | 7 | 29 |
| 2010 | 12 | 17 |
| 2011 | 12 | 26 |
| 2012 | 11 | 23 |
| 2013 | 20 | 25 |
| 2014 | 21 | 26 |
| 2015 | 22 | 27 |
| 2016 | 18 | 25 |
| 2017 | 18 | 38 |
| 2018 | 21 | 33 |
| 2019 | 23 | 39 |
| 2020 | 27 | 36 |
| 2021 | 27 | 49 |
| 2022 | 24 | 56 |
| 2023 | 19 | 41 |
| 2024 | 30 | 39 |
| 2025 | 29 | 30 |
| 2026 | 10 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Irradiation apparatus18 Aug 2026US 12,708,682 B2Precision X-Ray, Inc.
- Energy augmentation structures for use with energy emitters and collectors11 Aug 2026US 12,702,861 B2Immunolight, LLC
- Portable food sterilization assembly16 Jun 2026US 12,653,203 B2
- Food and fresh produce disinfection chamber utilizing fast mixed liquid and nonequilibrium plasma-generated species12 May 2026US 12,622,440 B2AA Plasma LLC
- Energy augmentation structures, energy emitters or energy collectors containing the same, and their use in solar cells and other energy conversion devices5 May 2026US 12,616,848 B2Immunolight, LLC
- Space electromagnetic field generator and freshness maintenance device using the same8 Oct 2026US 2026/0311923 A1
- Uv disinfector for optically dense fluids24 Sep 2026US 2026/0283173 A1Ultra Biotecs Limited
- Methods of reducing aflatoxin in nuts17 Sep 2026US 2026/0271948 A1Olam Americas, LLC
- Photosensitizer compositions, devices, and methods of use for surface sanitization of processed food products17 Sep 2026US 2026/0271949 A1Ondine International, Ltd.
- Method and system for enhancing the efficacy using ionized/aerosolized hydrogen peroxide in reducing microbial populations, method of use thereof10 Sep 2026US 2026/0262663 A1Tomi Environmental Solutions, Inc.
Most cited
By later US patents
- Irradiation system and method148US 6,713,773 B1Mitec Incorporated · 2004
- Methods for sterilizing biological materials127US 6,946,098 B2Clearant, Inc. · 2005
- Methods for preservation of foodstuffs114US 4,871,559 AMaxwell Laboratories, Inc. · 1989
- Methods for aseptic packaging of medical devices94US 4,910,942 AMaxwell Laboratories, Inc. · 1990
- Improvements in methods of sterilization93US 4,289,728 ANational Research Development Corporation · 1981