B31B 70/52
By reciprocating or oscillating members other than plungers and dies
Official title: by reciprocating or oscillating members other than plungers and dies, e.g. by fingers
B31B70/52 (By reciprocating or oscillating members other than plungers and dies) appears on 23 US grants and 22 published applications in this corpus.
Search patents in B31B- Granted patents
- 23
- Published applications
- 22
- Assignees
- 24
- Inventors
- 45
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 3 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Paper folding device30 Jul 2024US 12,049,056 B2Duplo Seiko Corporation
- Flap spreading device in square bottom forming device of bag making machine, square bottom forming device in bag making machine, and bag making machine23 Apr 2026US 2026/0109127 A1Newlong Industrial Company Limited
- Method and tubular bag machine for the continuous production of block-bottom bags24 Oct 2024US 2024/0351301 A1Rovema GmbH
- Paper folding device19 Sep 2024US 2024/0308812 A1Duplo Seiko Corporation
- Packaging Machine for Forming Doy-Pack Bags18 Jan 2024US 2024/0017515 A1
- An improved flexible package for food or beverage preparation having a rigid part14 Sep 2023US 2023/0286732 A1Societe des Produits Nestle S. A.
Most cited
By later US patents
- Agricultural storage bag folding apparatus and method12US 4,867,736 AB.A.G. Corp. · 1989
- Plastic bag forming machine12US 4,929,224 A1990
- Agricultural storage bag folding apparatus and method11US 4,721,503 AB.A.G. Corp. · 1988
- Method of and apparatus for making a bottom of a tubular section for formation of a bag or sack10US 6,042,526 AB + B Maschinenbau GmbH · 2000
- Method of folding flat bottom bag10US 6,991,592 B2Genpak Corporation · 2006