B65D 2581/3433
To add moisture to the product
Official title: to add moisture to the product, e.g. steaming (B65D81/3438 takes precedence)
B65D2581/3433 (To add moisture to the product) appears on 36 US grants and 34 published applications in this corpus.
Search patents in B65D- Granted patents
- 36
- Published applications
- 34
- Assignees
- 22
- Inventors
- 69
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 5 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-functional flexible steamer used for microwave oven23 Sep 2025US 12,421,013 B1Wellfine Silicone Products Co., Ltd.
- Cooking method and apparatus13 May 2025US 12,297,031 B2ConAgra Foods RDM, Inc.
- Food tray10 Sep 2024US 12,084,259 B2ConAgra Foods RDM, Inc.
- Cooking method and apparatus25 Apr 2023US 11,634,262 B2ConAgra Foods RDM, Inc.
- Packing container for food19 Jul 2022US 11,389,031 B2
- Cooking method and apparatus9 Oct 2025US 2025/0313400 A1ConAgra Foods RDM, Inc.
- Food tray19 Jun 2025US 2025/0197084 A1ConAgra Foods RDM, Inc.
- Cooking method and apparatus25 May 2023US 2023/0159258 A1ConAgra Foods RDM, Inc.
- Food tray17 Feb 2022US 2022/0048690 A1ConAgra Foods RDM, Inc.
- Method and package for evenly roasting seeds in a microwave28 Oct 2021US 2021/0331854 A1
Most cited
By later US patents
- Food package adapted particularly for microwave heating73US 4,916,280 ANestec S. A. · 1990
- Microwave oven popcorn popper, steamer and roaster63US 4,477,705 APlastics, Inc. · 1984
- Apparatus and method for the reconstitution of frozen foods in a microwave oven62US 4,439,656 AThe Stouffer Corporation · 1984
- Container system including a colander58US 5,931,333 AAnchor Hocking Plastics/Plastics Inc. · 1999
- Food container54US 4,529,089 A1985