A23B 4/00
Preservation of meat, sausages, fish or fish products
A23B4/00 (Preservation of meat, sausages, fish or fish products) appears on 2,444 US grants and 2,781 published applications in this corpus.
Search patents in A23B- Granted patents
- 2,444
- Published applications
- 2,781
- Assignees
- 1,435
- Inventors
- 5,405
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 29 | 0 |
| 1978 | 29 | 0 |
| 1979 | 24 | 0 |
| 1980 | 35 | 0 |
| 1981 | 51 | 0 |
| 1982 | 45 | 0 |
| 1983 | 35 | 0 |
| 1984 | 34 | 0 |
| 1985 | 34 | 0 |
| 1986 | 24 | 0 |
| 1987 | 32 | 0 |
| 1988 | 43 | 0 |
| 1989 | 53 | 0 |
| 1990 | 46 | 0 |
| 1991 | 31 | 0 |
| 1992 | 28 | 0 |
| 1993 | 39 | 0 |
| 1994 | 34 | 0 |
| 1995 | 34 | 0 |
| 1996 | 39 | 0 |
| 1997 | 43 | 0 |
| 1998 | 44 | 0 |
| 1999 | 73 | 0 |
| 2000 | 72 | 0 |
| 2001 | 51 | 6 |
| 2002 | 40 | 70 |
| 2003 | 53 | 110 |
| 2004 | 48 | 127 |
| 2005 | 41 | 129 |
| 2006 | 40 | 108 |
| 2007 | 37 | 98 |
| 2008 | 31 | 75 |
| 2009 | 25 | 84 |
| 2010 | 44 | 102 |
| 2011 | 53 | 97 |
| 2012 | 48 | 107 |
| 2013 | 44 | 94 |
| 2014 | 49 | 122 |
| 2015 | 50 | 125 |
| 2016 | 72 | 124 |
| 2017 | 60 | 113 |
| 2018 | 71 | 108 |
| 2019 | 66 | 140 |
| 2020 | 80 | 155 |
| 2021 | 84 | 143 |
| 2022 | 65 | 141 |
| 2023 | 97 | 142 |
| 2024 | 84 | 101 |
| 2025 | 80 | 98 |
| 2026 | 45 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A23B 4/14Preserving with chemicals not covered by groups a23b4/02 or a23b4/12889
- A23B 4/06Freezing545
- A23B 4/044Smoking467
- A23B 4/26Apparatus for preserving using liquids414
- A23B 4/02Preserving by means of inorganic salts276
- A23B 4/005Preserving by heating248
- A23B 4/12Preserving with acids199
- A23B 4/03Drying152
Recent patents
- Method of controlling the environment in a grow room6 Oct 2026US 12,751,465 B2JDS Consulting
- Sliced rare, medium rare and medium cooked roast beef in modified atmosphere packaging29 Sep 2026US 12,747,051 B2Cargill, Incorporated
- Cooking apparatus15 Sep 2026US 12,733,769 B22791673 Ontario Inc.
- Brine injection system with improved filtering system8 Sep 2026US 12,728,372 B2Gea Food Solutions Bakel B.V.
- Electronic smoker1 Sep 2026US 12,721,357 B1
- Smoke generating assembly for a smoker8 Oct 2026US 2026/0305629 A1Haier US Appliance Solutions, Inc.
- Food processing oxidation treatment formulations and methods8 Oct 2026US 2026/0305630 A1Clean Chemistry, Inc.
- Space electromagnetic field generator and freshness maintenance device using the same8 Oct 2026US 2026/0311923 A1
- Household cooking utensils1 Oct 2026US 2026/0294154 A1Coodal Inc.
- Electric grill and smoking device24 Sep 2026US 2026/0283390 A1W. C. Bradley Company
Most cited
By later US patents
- Preservative systems comprising cationic surfactants878US 10,130,830 B2Laboratorios Miret, S. A. · 2018
- Antimicrobial composition for cleaning and sanitizing meat products194US 6,183,807 B2Ecolab Inc. · 2001
- Variable frequency automated capacitive radio frequency (RF) dielectric heating system190US 6,784,405 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 2004
- Treatment of animal carcasses183US 6,545,047 B2Ecolab Inc. · 2003
- Packages and methods for processing food products121US 7,205,016 B2SafeFresh Technologies, LLC · 2007