B31B 70/988
Assembling or block-forming of bags
Official title: {Assembling or block-forming of bags; Loading bags on a mandrel}
B31B70/988 (Assembling or block-forming of bags) appears on 45 US grants and 21 published applications in this corpus.
Search patents in B31B- Granted patents
- 45
- Published applications
- 21
- Assignees
- 19
- Inventors
- 48
- Latest grant
- 29 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stack of flexible bags, method and machine for producing said stack29 Aug 2023US 11,738,532 B2Holweg Group
- Self opening bag pack, apparatus and method of making same18 Oct 2022US 11,472,147 B2
- Self opening wide mouth carryout bag pack, apparatus and method of making same18 Oct 2022US 11,472,148 B2
- Method of manufacturing headerless produce bags with increased adhesion13 Sep 2022US 11,440,267 B2New York Packaging II
- Flap-bag manufacture14 Dec 2021US 11,198,257 B2Lemo Maschinenbau GmbH
- Method of manufacturing headerless produce bags with increased adhesion9 Mar 2023US 2023/0072418 A1New York Packaging II
- Self Opening Wide Mouth Carryout Bag Pack, Apparatus and Method of Making Same7 Jan 2021US 2021/0001584 A1
- Self Opening Bag Pack, Apparatus and Method of Making Same31 Dec 2020US 2020/0406572 A1
- Stack of flexible bags, method and machine for producing said stack19 Nov 2020US 2020/0361171 A1Holweg Group
- Flap-bag manufacture6 Aug 2020US 2020/0247069 A1Lemo Maschinenbau GmbH
Most cited
By later US patents
- Method and apparatus for manufacture of pad-stacked bags44US 3,966,524 A1976
- Method of forming an easy-open bag pack32US 5,087,234 AMobil Oil Corporation · 1992
- Method for producing double streams of side-welded bags in heat-welded pad form28US 4,181,069 AChase Bag Company · 1980
- Self-opening bag stack and method of producing same28US 6,142,302 ABetter Bags, Inc. · 2000
- Pad-stacked bags or similar packaging, and apparatus and method for fabricating the same from plastic film26US 4,046,257 A1977