B31B 2155/002
Flexible containers made from webs: by joining superimposed webs
Official title: {by joining superimposed webs, e.g. with separate bottom webs}
B31B2155/002 (Flexible containers made from webs: by joining superimposed webs) appears on 281 US grants and 319 published applications in this corpus.
Search patents in B31B- Granted patents
- 281
- Published applications
- 319
- Assignees
- 157
- Inventors
- 444
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 4 |
| 2002 | 11 | 18 |
| 2003 | 4 | 11 |
| 2004 | 11 | 13 |
| 2005 | 4 | 9 |
| 2006 | 6 | 9 |
| 2007 | 3 | 10 |
| 2008 | 4 | 5 |
| 2009 | 4 | 11 |
| 2010 | 8 | 13 |
| 2011 | 4 | 13 |
| 2012 | 5 | 18 |
| 2013 | 8 | 9 |
| 2014 | 5 | 7 |
| 2015 | 11 | 12 |
| 2016 | 6 | 9 |
| 2017 | 8 | 24 |
| 2018 | 3 | 9 |
| 2019 | 6 | 11 |
| 2020 | 8 | 18 |
| 2021 | 12 | 16 |
| 2022 | 19 | 9 |
| 2023 | 11 | 22 |
| 2024 | 21 | 17 |
| 2025 | 13 | 13 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and machine for manufacturing a flexible envelope-like bag, particularly with reinforcement29 Sep 2026US 12,747,068 B2Holweg Group
- Flexible bag having a convertible bottom, method and machine for manufacturing same25 Aug 2026US 12,715,657 B2Holweg Group
- “Deli” bag with extra thin walls and increased strength and method of manufacturing same18 Aug 2026US 12,709,439 B2New York Packaging II
- Packaging with multi-ply walls14 Jul 2026US 12,679,062 B2Pregis LLC
- 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
- Bonded Seam, Method, and Device for Joining Material Webs or Material Sheets with a Thermally Activatable Adhesive and Use of an Impact Press30 Jul 2026US 2026/0216985 A1
- Improved method for making and filling pouches with or without spout for packaging fluid products and related plant23 Jul 2026US 2026/0208901 A1
- Cushion sheet production module and packaging bag production device thereof16 Jul 2026US 2026/0200640 A1Beta (Shenzhen) Package Products Co., Ltd
- Spouted packaging bag and method for producing spouted packaging bag16 Jul 2026US 2026/0200654 A1Toppan Holdings Inc.
- Web superposing device and bag making apparatus18 Jun 2026US 2026/0166772 A1Totani Corporation
Most cited
By later US patents
- Method and apparatus for manufacturing sleeve- or bag-like containers, as well as such container435US 5,228,234 AKlerk's Plastic Industrie, B.V. · 1993
- Method and apparatus for manufacturing a shell-shaped package, and such shell-shaped package279US 5,496,251 AJei Lee Corporation · 1996
- Free-standing container151US 3,935,993 A1976
- Method of making a vented pouch132US 5,254,073 AKapak Corporation · 1993
- Flexible, multiple-compartment drug container and method of making and using same132US 5,944,709 AB. Braun Medical Inc. · 1999