B31B 2150/002
Flexible containers made from sheets or blanks: by joining superimposed sheets
Official title: {by joining superimposed sheets, e.g. with separate bottom sheets}
B31B2150/002 (Flexible containers made from sheets or blanks: by joining superimposed sheets) appears on 54 US grants and 73 published applications in this corpus.
Search patents in B31B- Granted patents
- 54
- Published applications
- 73
- Assignees
- 55
- Inventors
- 151
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 7 |
| 2012 | 1 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 7 |
| 2015 | 0 | 5 |
| 2016 | 3 | 5 |
| 2017 | 5 | 5 |
| 2018 | 5 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 4 |
| 2021 | 1 | 4 |
| 2022 | 3 | 1 |
| 2023 | 1 | 8 |
| 2024 | 5 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reusable envelope with pre-cut closure flap, method and machine for manufaturing such an envelope14 Jul 2026US 12,679,599 B2Holweg Group
- Stitchless bulk bag with heat fused seams and method of production17 Feb 2026US 12,552,109 B2Ameriglobe, LLC
- Packaging bag and manufacturing system thereof13 May 2025US 12,296,541 B2Kyoraku Co., Ltd.
- Method for manufacturing a disposable biodegradable bag15 Apr 2025US 12,275,213 B1
- Rectangular-bottomed packaging bag, and method for manufacturing rectangular-bottomed packaging bag1 Oct 2024US 12,103,737 B2Hosokawa Yoko Co., Ltd.
- Bag assembly having a front panel zipper assembly and tear strip13 Nov 2025US 2025/0346404 A1Illinois Tool Works Inc.
- Method for producing self-standing packaging bag, sealing member used to produce the self-standing packaging bag, and self-standing packaging bag produced by the method for producing self-standing packaging bag5 Jun 2025US 2025/0178303 A1Hosokawa Yoko Co., Ltd.
- Cushion sheet production module and production method, packaging bag production device and production mehod thereof12 Sep 2024US 2024/0300698 A1Beta (Shenzhen) Package Products Co., Ltd
- Packaging bag and manufacturing system thereof29 Aug 2024US 2024/0286818 A1Kyoraku Co., Ltd.
- Pouch-type bag made of paper as well as method and apparatus for producing a pouch-type bag made of paper9 May 2024US 2024/0150083 A1Windmoller & Holscher
Most cited
By later US patents
- Bone-in food packaging article63US 5,302,402 AViskase Corporation · 1994
- Medical pouches and a method of manufacturing such pouches52US 4,306,656 A1981
- Method for manufacturing photograph slide sleeving material31US 4,911,777 APakon, Inc. · 1990
- Bone-in food packaging article and use field of the invention26US 5,376,394 AViskase Corporation · 1994
- Detachably connected container strips25US 4,344,557 AAutomated Packaging Systems, Inc. · 1982