B31B 70/85
Applying patches or flexible valve inserts
Official title: Applying patches or flexible valve inserts, e.g. applying film-like valves
B31B70/85 (Applying patches or flexible valve inserts) appears on 37 US grants and 41 published applications in this corpus.
Search patents in B31B- Granted patents
- 37
- Published applications
- 41
- Assignees
- 32
- Inventors
- 75
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 4 |
| 2006 | 0 | 6 |
| 2007 | 3 | 4 |
| 2008 | 2 | 3 |
| 2009 | 2 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 5 |
| 2018 | 1 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for the production of at least one aroma protection valve, and aroma protection valve19 Aug 2025US 12,391,449 B2Syntegon Technology GmbH
- Bulk bag bottom and discharge assembly including a reinforcer6 Aug 2024US 12,054,336 B1Ameriglobe, LLC
- Bag-like container and bag-like container production method16 Jul 2024US 12,037,178 B2Idemitsu Unitech Co., Ltd.
- Valve bag and method and system for producing a valve bag2 Aug 2022US 11,401,076 B2Windmoller & Holscher
- Bulk bag bottom and discharge assembly including a reinforcer3 May 2022US 11,319,144 B1Ameriglobe, LLC
- Method for manufacturing a packing container having an inlay, insertion device, and packaging machine15 Aug 2024US 2024/0270417 A1
- Method for the production of at least one aroma protection valve, and aroma protection valve18 Jan 2024US 2024/0017900 A1Syntegon Technology GmbH
- Bag-like container and bag-like container production method10 Nov 2022US 2022/0355996 A1Idemitsu Unitech Co., Ltd.
- Multi-layer bag and method for producing a multi-layer bag29 Jul 2021US 2021/0229870 A1dy-pack Verpackungen Gustav Dyckerhoff GmbH
- Ventilatable Valve Bag4 Jun 2020US 2020/0172297 A1Bischof + Klein GmbH & Co. KG
Most cited
By later US patents
- Food bag release valve39US 7,244,223 B2Avery Dennison Corporation · 2007
- Check valve, pouch with the check valve, and manufacturing apparatus therefor28US 5,927,336 AKaken Kogyo, Co., Ltd. · 1999
- Containers of flexible material27US 4,509,642 A1985
- Containers and machine for making them16US 4,495,748 A1985
- Reinforced plastic bag16US 4,708,705 A1987