B31B 70/984
Stacking bags on wicket pins
Official title: {Stacking bags on wicket pins}
B31B70/984 (Stacking bags on wicket pins) appears on 89 US grants and 19 published applications in this corpus.
Search patents in B31B- Granted patents
- 89
- Published applications
- 19
- Assignees
- 38
- Inventors
- 98
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Film bag provided with suspension openings, and method for producing said film bag29 Jul 2025US 12,371,230 B2Niverplast Holding B.V.
- Method of aligning air burst on bag wicketer processing line4 Jun 2024US 11,999,128 B2Paper Converting Machine Company
- 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 adhesion24 Dec 2019US 10,513,078 B2New York Packaging II
- Film bag provided with suspension openings, and method for producing said film bag10 Jul 2025US 2025/0223081 A1Niverplast Holding B.V.
- Film bag provided with suspension openings, and method for producing said film bag1 Feb 2024US 2024/0034515 A1Niverplast Holding B.V.
- Method of Aligning Air Burst on Bag Wicketer Processing Line10 Aug 2023US 2023/0249428 A1Paper Converting Machine Company
- Method of manufacturing headerless produce bags with increased adhesion9 Mar 2023US 2023/0072418 A1New York Packaging II
- Wicket bag25 Aug 2022US 2022/0266563 A1Lemo Maschinenbau GmbH
Most cited
By later US patents
- Dies for manufacturing a pack of self-opening bags42US 5,670,013 ADurabag Co., Inc. · 1997
- Manufacture of thermoplastic bags35US 4,451,249 A1984
- Plastic bag-wicketing pin adjustment apparatus29US 4,252,233 A1981
- Method and apparatus for automatic sheet cutting and stacking27US 4,207,667 AFlexible Design Packaging Machine Company · 1980
- Packs of self opening plastic bags and method of fabricating the same27US 5,307,935 A1994