B65D 31/00
Bags or like containers made of paper and having structural provision for
Official title: {Bags or like containers made of paper and having structural provision for thickness of contents (with shock-absorbing properties B65D81/03)}
B65D31/00 (Bags or like containers made of paper and having structural provision for) appears on 1,333 US grants and 1,659 published applications in this corpus.
Search patents in B65D- Granted patents
- 1,333
- Published applications
- 1,659
- Assignees
- 752
- Inventors
- 2,627
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 10 | 0 |
| 1983 | 13 | 0 |
| 1984 | 18 | 0 |
| 1985 | 26 | 0 |
| 1986 | 16 | 0 |
| 1987 | 27 | 0 |
| 1988 | 24 | 0 |
| 1989 | 31 | 0 |
| 1990 | 24 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 13 | 0 |
| 1994 | 19 | 0 |
| 1995 | 23 | 0 |
| 1996 | 28 | 0 |
| 1997 | 13 | 0 |
| 1998 | 29 | 0 |
| 1999 | 21 | 0 |
| 2000 | 32 | 0 |
| 2001 | 37 | 18 |
| 2002 | 30 | 34 |
| 2003 | 25 | 49 |
| 2004 | 18 | 66 |
| 2005 | 17 | 63 |
| 2006 | 21 | 49 |
| 2007 | 18 | 52 |
| 2008 | 15 | 50 |
| 2009 | 19 | 53 |
| 2010 | 13 | 63 |
| 2011 | 17 | 67 |
| 2012 | 28 | 79 |
| 2013 | 24 | 78 |
| 2014 | 27 | 79 |
| 2015 | 52 | 85 |
| 2016 | 41 | 81 |
| 2017 | 66 | 123 |
| 2018 | 62 | 82 |
| 2019 | 47 | 74 |
| 2020 | 54 | 58 |
| 2021 | 39 | 70 |
| 2022 | 54 | 74 |
| 2023 | 36 | 64 |
| 2024 | 44 | 66 |
| 2025 | 45 | 49 |
| 2026 | 18 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 31/10Bags or like containers made of paper and having structural provision for398
- B65D 31/02Bags or like containers made of paper and having structural provision for336
- B65D 31/04Bags or like containers made of paper and having structural provision for195
- B65D 31/12Bags or like containers made of paper and having structural provision for162
- B65D 31/14Valve bags, i.e. with valves for filling162
- B65D 31/08Bags or like containers made of paper and having structural provision for102
- B65D 31/16Bags or like containers made of paper and having structural provision for85
- B65D 31/005Bags or like containers made of paper and having structural provision for38
All 9 subgroupsShow fewer
Recent patents
- Layered gas-barrier product and packaging bag6 Oct 2026US 12,752,990 B2Toppan Inc.
- Hemp paper bags6 Oct 2026US 12,752,991 B2Broadway Holdings Xi, LLC
- Easy open plastic bags22 Sep 2026US 12,741,786 B2Polytex Fibers Corporation
- Device for storing used oil, grease and fat1 Sep 2026US 12,722,882 B2CKG Innovations
- Flexible bag having a convertible bottom, method and machine for manufacturing same25 Aug 2026US 12,715,657 B2Holweg Group
- Base paper for metallized paper, metallized paper, and packaging bag24 Sep 2026US 2026/0286609 A1Oji Holdings Corporation
- Packaging web material, packaging pouch and process for forming a packaging pouch24 Sep 2026US 2026/0286615 A1Mondi AG
- Systems and methods for making a lignin paper pouch, container, or sealing structure17 Sep 2026US 2026/0274518 A1S. C. Johnson & Son, Inc.
- Water-resistant compostable bag27 Aug 2026US 2026/0250047 A1Pan Pacific Plastics Mfg., Inc.
- Recyclable woven plastic bags with quad-seal and/or k-seal13 Aug 2026US 2026/0233899 A1Polytex Fibers Corporation
Most cited
By later US patents
- Protective covering for a hand-held device1,016US 6,273,252 B12001
- Flat trapezoidal container of brightly printed thermally sealable film346US 5,388,695 AProfessional Package Company · 1995
- Collapsible insulated container304US 8,209,995 B2Packit, LLC · 2012
- Flat trapezoidal container of brightly printed thermally sealable film296US 5,647,168 AProfessional Package Company · 1997
- Flat bottom plastic bag and method of making same293US 4,717,262 ATC Manufacturing Co., Inc. · 1988