B65D 31/02
Bags or like containers made of paper and having structural provision for
Official title: {with laminated walls}
B65D31/02 (Bags or like containers made of paper and having structural provision for) appears on 336 US grants and 470 published applications in this corpus.
Search patents in B65D- Granted patents
- 336
- Published applications
- 470
- Assignees
- 246
- Inventors
- 833
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 3 |
| 2002 | 6 | 4 |
| 2003 | 4 | 17 |
| 2004 | 3 | 17 |
| 2005 | 5 | 29 |
| 2006 | 9 | 10 |
| 2007 | 1 | 11 |
| 2008 | 3 | 14 |
| 2009 | 2 | 8 |
| 2010 | 4 | 18 |
| 2011 | 2 | 8 |
| 2012 | 4 | 17 |
| 2013 | 6 | 17 |
| 2014 | 6 | 18 |
| 2015 | 10 | 20 |
| 2016 | 8 | 23 |
| 2017 | 19 | 24 |
| 2018 | 14 | 24 |
| 2019 | 7 | 14 |
| 2020 | 14 | 18 |
| 2021 | 10 | 21 |
| 2022 | 17 | 36 |
| 2023 | 12 | 29 |
| 2024 | 23 | 27 |
| 2025 | 20 | 24 |
| 2026 | 12 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Layered gas-barrier product and packaging bag6 Oct 2026US 12,752,990 B2Toppan Inc.
- 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
- Film deposition delivery container2 Jun 2026US 12,643,730 B2Pratt Corrugated Holdings, Inc.
- Multi-film thermoplastic bags having contact areas14 Apr 2026US 12,600,527 B2The Glad Products Company
- 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
- Water-resistant compostable bag27 Aug 2026US 2026/0250047 A1Pan Pacific Plastics Mfg., Inc.
- Woven plastic block bottom bags23 Jul 2026US 2026/0208937 A1Polytex Fibers Corporation
- Cushion sheet production module and packaging bag production device thereof16 Jul 2026US 2026/0200640 A1Beta (Shenzhen) Package Products Co., Ltd
Most cited
By later US patents
- Thermoplastic bag with metallized end gusset245US 5,074,675 AMobil Oil Corporation · 1991
- Flexible bags having enhanced capacity and enhanced stability in use99US 6,394,651 B2The Procter & Gamble Company · 2002
- Flexible bags having stretch-to-fit conformity to closely accommodate contents in use93US 6,394,652 B2The Procter & Gamble Company · 2002
- Oxygen-permeable multilayer film86US 5,491,019 AW. R. Grace & Co.-Conn. · 1996
- Thermally insulated food bag83US 4,578,814 AThermal Bags by Ingrid, Inc. · 1986