B31B 70/20
Cutting sheets or blanks
B31B70/20 (Cutting sheets or blanks) appears on 40 US grants and 71 published applications in this corpus.
Search patents in B31B- Granted patents
- 40
- Published applications
- 71
- Assignees
- 36
- Inventors
- 86
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 5 |
| 2012 | 1 | 4 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 6 |
| 2016 | 1 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 7 |
| 2019 | 1 | 5 |
| 2020 | 7 | 6 |
| 2021 | 4 | 6 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 6 | 5 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packaging material9 Dec 2025US 12,492,059 B2Carlton Packaging LLP
- Paper retail bag11 Nov 2025US 12,466,612 B2Domtar Paper Company, LLC
- Process for forming improved protective eco-friendly pouch and packaging and products made therefrom3 Dec 2024US 12,157,619 B2Graphic Innovators Inc.
- Bag making apparatus and bag making method1 Oct 2024US 12,103,263 B2Totani Corporation
- Disposable bioprocess bag, manufacturing method therefor, hot-melt annular welding machine16 Jul 2024US 12,036,750 B2Zhejiang Jinyishengshi Bioengineering Co., Ltd.
- Cushion sheet production module and packaging bag production device thereof16 Jul 2026US 2026/0200640 A1Beta (Shenzhen) Package Products Co., Ltd
- Process for forming improved protective eco-friendly pouch and packaging and products made therefrom19 Jun 2025US 2025/0197079 A1Graphic Innovators Inc.
- Method for manufacturing rectangular-bottomed packaging bag, device for manufacturing rectangular-bottomed packaging bag, method for manufacturing packaging body, and device for manufacturing packaging body12 Jun 2025US 2025/0187288 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
- Methods and apparatus for forming, filling and sealing film containers4 Jul 2024US 2024/0217688 A1Douglas Machine Inc.
Most cited
By later US patents
- Perforation blade for forming a burst-resistant easy-open corner in a heavy duty bag46US 6,609,999 B2Rex International Incorporated · 2003
- Method and system for making a stepped end28US 8,535,209 B2Coating Excellence International LLC · 2013
- Method of making bags27US 4,164,170 ARimbo Tekniska Fabrik Rimpac AB · 1979
- Method and system for making a stepped end27US 9,073,281 B2Coating Excellence International LLC · 2015
- Panel cutting apparatus21US 5,570,620 ABest Cutting Die Company · 1996