A23B 2/90
Preservation of foods or foodstuffs, in general: by drying or kilning
Official title: by drying or kilning; Subsequent reconstitution
A23B2/90 (Preservation of foods or foodstuffs, in general: by drying or kilning) appears on 471 US grants and 577 published applications in this corpus.
Search patents in A23B- Granted patents
- 471
- Published applications
- 577
- Assignees
- 427
- Inventors
- 1,412
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 14 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 0 |
| 2002 | 12 | 14 |
| 2003 | 8 | 11 |
| 2004 | 12 | 13 |
| 2005 | 2 | 7 |
| 2006 | 2 | 6 |
| 2007 | 4 | 3 |
| 2008 | 1 | 9 |
| 2009 | 1 | 4 |
| 2010 | 2 | 13 |
| 2011 | 1 | 21 |
| 2012 | 2 | 12 |
| 2013 | 6 | 16 |
| 2014 | 4 | 17 |
| 2015 | 6 | 22 |
| 2016 | 14 | 18 |
| 2017 | 11 | 19 |
| 2018 | 19 | 43 |
| 2019 | 21 | 43 |
| 2020 | 24 | 56 |
| 2021 | 28 | 55 |
| 2022 | 29 | 45 |
| 2023 | 18 | 45 |
| 2024 | 24 | 40 |
| 2025 | 24 | 23 |
| 2026 | 9 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A23B 2/92Freeze drying108
- A23B 2/97Using irradiation or electric treatment65
- A23B 2/91With addition of chemicals before or during drying58
- A23B 2/93Spray drying42
- A23B 2/94Thin-layer drying, drum drying or roller drying35
- A23B 2/95Fluidised-bed drying19
- A23B 2/905Fractionated crystallisation14
- A23B 2/96Foam drying2
Recent patents
- Preparation method of milk oligosaccharides and oligosaccharide powder and food prepared thereby15 Sep 2026US 12,735,512 B2Beijing Sanyuan Foods Co., Ltd.
- Three-dimensional (3D) printing ink for Pleurotus eryngii and preparation method for and use of 3D printing ink and preparation method for 3D printed food of Pleurotus eryngii8 Sep 2026US 12,727,613 B2Jiangsu Alphay Bio-Technology Co., Ltd.
- Methods of production of arginine-silicate complexes16 Jun 2026US 12,653,219 B2Nutrition21, LLC
- Method for producing cheese-like snack food19 May 2026US 12,628,843 B2Fuji Oil Company, Limited
- Method for extending the shelf life of rutab stage date palm fruit28 Apr 2026US 12,610,960 B1King Faisal University
- Variable power heater freeze-dryer apparatus and methods of use8 Oct 2026US 2026/0309412 A1Peak & Prairie Industries Corp.
- Method for reducing germs in dried fruit containing oil and/or fat, and refining-grinding arrangement1 Oct 2026US 2026/0293919 A1Hamburg Dresdner Maschinenfabriken Verwaltungsgesellschaft Mbh
- Composition containing self-assembled structure and freeze-dried product thereof20 Aug 2026US 2026/0241008 A1Resonac Corporation
- Method for managing a dehydration system and corresponding dehydration system20 Aug 2026US 2026/0243511 A1Lgd
- Method for the rapid osmotic drying of food13 Aug 2026US 2026/0231967 A1
Most cited
By later US patents
- Dried food containing trehalose and method for preparing same79US 5,026,566 AQuadrant Bioresources Limited · 1991
- Foaming creamer and method of making same78US 4,438,147 ASociete d'Assistance Technique pour Produits Nestle S. A. · 1984
- Apparatus for meshing dehydrating and desiccating food products65US 5,454,298 A1995
- Centralized humidification controlled container system for transporting and holding perishable goods64US 6,390,378 B1CA Global Express, LLC · 2002
- Food dehydrator62US 4,190,965 AAlternative Pioneering Systems, Inc. · 1980