B31B 2170/30
Construction of flexible containers: having corrugated or pleated walls
Official title: having corrugated or pleated walls
B31B2170/30 (Construction of flexible containers: having corrugated or pleated walls) appears on 53 US grants and 72 published applications in this corpus.
Search patents in B31B- Granted patents
- 53
- Published applications
- 72
- Assignees
- 44
- Inventors
- 113
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 6 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 6 |
| 2018 | 1 | 1 |
| 2019 | 2 | 6 |
| 2020 | 0 | 4 |
| 2021 | 4 | 2 |
| 2022 | 3 | 5 |
| 2023 | 3 | 11 |
| 2024 | 8 | 6 |
| 2025 | 5 | 8 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric bags and method to make same9 Jun 2026US 12,649,620 B2Poly-America, L. P.
- Multi-layer thermoplastic films and bags configured to provide a perceivable color change upon being subjected to a strain and methods of making the same10 Mar 2026US 12,570,068 B2The Glad Products Company
- Embossed paper in combination with paper cushioning for shipping envelopes27 Jan 2026US 12,533,871 B2HexcelPack, LLC
- Conformable, recyclable shipping container, machine and method6 Jan 2026US 12,515,434 B2PAC Worldwide Corporation
- Packaging material9 Dec 2025US 12,492,059 B2Carlton Packaging LLP
- Conformable, recyclable shipping container materials9 Jul 2026US 2026/0192557 A1PAC Worldwide Corporation
- Corrugating roller12 Mar 2026US 2026/0070299 A1PAC Worldwide Corporation
- Insulation products and methods and machines for making insulation products13 Nov 2025US 2025/0347381 A1Temperpack Technologies, Inc.
- Packaging material and packages with slit flutes and method of manufacturing the same2 Oct 2025US 2025/0304343 A1PAC Worldwide Corporation
- Single face tube die-cut and sheet process19 Jun 2025US 2025/0196460 A1WestRock Shared Services, LLC
Most cited
By later US patents
- Flat bottom plastic bag and method of making same293US 4,717,262 ATC Manufacturing Co., Inc. · 1988
- Functional freezer storage bag82US 5,804,265 AS. C. Johnson Home Storage, Inc. · 1998
- Stand-up packaging pouch, package body and feed roll, and manufacturing methods therefor59US 7,156,556 B2Plast Corporation · 2007
- Method and apparatus to implement double opposed containers fed as a continuous band to filling stations and to be sealed by welding, as well as packages thus obtained52US 5,210,993 ACrescent Holding H.V. · 1993
- Method of making a stand-up plastic bag50US 5,080,643 ADow Brands Inc. · 1992