B31B 70/26
Folding sheets, blanks or webs
B31B70/26 (Folding sheets, blanks or webs) appears on 455 US grants and 461 published applications in this corpus.
Search patents in B31B- Granted patents
- 455
- Published applications
- 461
- Assignees
- 261
- Inventors
- 666
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 10 |
| 2002 | 14 | 11 |
| 2003 | 11 | 12 |
| 2004 | 7 | 12 |
| 2005 | 6 | 10 |
| 2006 | 8 | 15 |
| 2007 | 5 | 10 |
| 2008 | 7 | 10 |
| 2009 | 6 | 10 |
| 2010 | 7 | 17 |
| 2011 | 4 | 12 |
| 2012 | 7 | 13 |
| 2013 | 9 | 9 |
| 2014 | 9 | 14 |
| 2015 | 7 | 19 |
| 2016 | 8 | 20 |
| 2017 | 11 | 28 |
| 2018 | 15 | 30 |
| 2019 | 15 | 21 |
| 2020 | 18 | 26 |
| 2021 | 33 | 29 |
| 2022 | 26 | 26 |
| 2023 | 19 | 40 |
| 2024 | 31 | 27 |
| 2025 | 29 | 13 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B31B 70/262Involving longitudinally folding, i.e. along a line parallel to the direction of284
- B31B 70/36By continuously feeding them to stationary members178
- B31B 70/261Involving transversely folding, i.e. along a line perpendicular to the direction of48
- B31B 70/52By reciprocating or oscillating members other than plungers and dies23
- B31B 70/28Around mandrels13
- B31B 70/56By rotary members co-operating with blades10
- B31B 70/44By plungers moving through folding dies6
- B31B 70/58By moving belts or chains2
Recent patents
- Method and machine for manufacturing a flexible envelope-like bag, particularly with reinforcement29 Sep 2026US 12,747,068 B2Holweg Group
- Insulated box22 Sep 2026US 12,741,800 B2Pratt Retail Specialties, LLC
- Insulated box22 Sep 2026US 12,741,801 B2Pratt Retail Specialties, LLC
- All-in-one machine for folding and boxing fresh-keeping bags1 Sep 2026US 12,722,353 B2
- Flexible bag having a convertible bottom, method and machine for manufacturing same25 Aug 2026US 12,715,657 B2Holweg Group
- Machine and method for forming bags of flexible material24 Sep 2026US 2026/0284999 A1Ilapak Italia S.P.A.
- Method for manufacturing a container and manufacturing device24 Sep 2026US 2026/0285000 A1Mondi AG
- Packaging web material, packaging pouch and process for forming a packaging pouch24 Sep 2026US 2026/0286615 A1Mondi AG
- Cushion sheet production module and packaging bag production device thereof16 Jul 2026US 2026/0200640 A1Beta (Shenzhen) Package Products Co., Ltd
- Film piece joining device, film manufacturing device, bag-shaped container manufacturing device, film piece joining method, film manufacturing method, and bag-shaped container manufacturing method2 Jul 2026US 2026/0184024 A1Idemitsu Unitech Co., Ltd.
Most cited
By later US patents
- Insulated bag117US 10,442,600 B2Pratt Retail Specialties, LLC · 2019
- Self-standing bag116US 3,980,225 ADai Nippon Insatsu Kabushiki Kaisha · 1976
- Flat sleeve convertible to a decorative container91US 6,182,395 B2Southpac Trust International, Inc. · 2001
- Insulated box79US 10,954,057 B2Pratt Retail Specialties, LLC · 2021
- Insulated bag70US 11,124,354 B2Pratt Retail Specialties, LLC · 2021