B65D 31/04
Bags or like containers made of paper and having structural provision for
Official title: {with multiple walls (B65D81/3881 takes precedence; for shock absorbing purposes B65D81/03)}
B65D31/04 (Bags or like containers made of paper and having structural provision for) appears on 195 US grants and 228 published applications in this corpus.
Search patents in B65D- Granted patents
- 195
- Published applications
- 228
- Assignees
- 148
- Inventors
- 440
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 11 |
| 2004 | 3 | 5 |
| 2005 | 2 | 6 |
| 2006 | 1 | 8 |
| 2007 | 0 | 7 |
| 2008 | 3 | 5 |
| 2009 | 1 | 8 |
| 2010 | 1 | 4 |
| 2011 | 2 | 7 |
| 2012 | 3 | 9 |
| 2013 | 4 | 13 |
| 2014 | 4 | 12 |
| 2015 | 9 | 6 |
| 2016 | 7 | 13 |
| 2017 | 9 | 23 |
| 2018 | 10 | 16 |
| 2019 | 9 | 9 |
| 2020 | 13 | 7 |
| 2021 | 2 | 10 |
| 2022 | 3 | 12 |
| 2023 | 8 | 11 |
| 2024 | 9 | 12 |
| 2025 | 6 | 9 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Easy open plastic bags22 Sep 2026US 12,741,786 B2Polytex Fibers Corporation
- Polymeric bags and method to make same9 Jun 2026US 12,649,620 B2Poly-America, L. P.
- Film deposition delivery container2 Jun 2026US 12,643,730 B2Pratt Corrugated Holdings, Inc.
- Conformable recyclable shipping container6 Jan 2026US 12,515,865 B2PAC Worldwide Corporation
- Biodegradable zipper for zip packaging2 Dec 2025US 12,486,079 B2Illinois Tool Works Inc.
- Easy open plastic bags1 Jan 2026US 2026/0001683 A1Polytex Fibers Corporation
- Carton with interlocking features27 Nov 2025US 2025/0361060 A1Graphic Packaging International, Inc.
- Film deposition delivery container19 Jun 2025US 2025/0197089 A1Pratt Corrugated Holdings, Inc.
- Film deposition delivery container19 Jun 2025US 2025/0197090 A1Pratt Corrugated Holdings, Inc.
- Film deposition delivery container19 Jun 2025US 2025/0197091 A1Pratt Corrugated Holdings, Inc.
Most cited
By later US patents
- Portable flexible container for keeping articles cold168US 6,223,551 B1Instar Pty. Ltd. · 2001
- Reheatable, resealable package for fried food147US 4,797,010 ANabisco Brands, Inc. · 1989
- Multiwall cooler bag128US 4,521,910 ASt. Regis Corporation · 1985
- Bag with opening and reclosing feature126US 4,260,061 ABemis Company, Inc. · 1981
- Shipping bag reversible into a tote101US 7,581,886 B2Boss Licensing Group, Inc. · 2009