B31D 5/0039
Multiple-step processes for making three-dimensional [3d] articles: for making dunnage or cushion
Official title: {for making dunnage or cushion pads}
B31D5/0039 (Multiple-step processes for making three-dimensional [3d] articles: for making dunnage or cushion) appears on 935 US grants and 968 published applications in this corpus.
Search patents in B31D- Granted patents
- 935
- Published applications
- 968
- Assignees
- 212
- Inventors
- 805
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 11 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 16 | 0 |
| 1998 | 31 | 0 |
| 1999 | 28 | 0 |
| 2000 | 30 | 0 |
| 2001 | 32 | 8 |
| 2002 | 21 | 28 |
| 2003 | 18 | 21 |
| 2004 | 21 | 33 |
| 2005 | 13 | 31 |
| 2006 | 22 | 42 |
| 2007 | 19 | 25 |
| 2008 | 20 | 37 |
| 2009 | 19 | 36 |
| 2010 | 26 | 37 |
| 2011 | 27 | 44 |
| 2012 | 19 | 32 |
| 2013 | 28 | 34 |
| 2014 | 23 | 32 |
| 2015 | 21 | 37 |
| 2016 | 23 | 23 |
| 2017 | 21 | 30 |
| 2018 | 20 | 39 |
| 2019 | 24 | 45 |
| 2020 | 33 | 49 |
| 2021 | 44 | 56 |
| 2022 | 56 | 66 |
| 2023 | 54 | 61 |
| 2024 | 53 | 56 |
| 2025 | 44 | 42 |
| 2026 | 34 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for making a coil of dunnage29 Sep 2026US 12,747,124 B2Ranpak Corp.
- Coiler device for winding a strip of cushioning material29 Sep 2026US 12,747,128 B2
- Apparatus and method for making a pouch package22 Sep 2026US 12,741,440 B2Ranpak Corp.
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products22 Sep 2026US 12,741,798 B2HexcelPack, LLC
- Method of forming a packaging enclosure with an expandable packaging material15 Sep 2026US 12,734,780 B2Iow, LLC
- Packaging material production machine and system consisting of a packaging material production machine and a packaging material supply24 Sep 2026US 2026/0285001 A1Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co.
- Package box containing buffer-forming core for forming buffer packing material17 Sep 2026US 2026/0273887 A1
- Device for converting a starting material into a padding material for filling the empty volume in a container, and method for operating such a device3 Sep 2026US 2026/0257446 A1Storopack Hans Reichenecker GmbH
- Conveyor belt6 Aug 2026US 2026/0225340 A1Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co.
- Brake system and method for a dunnage conversion machine16 Jul 2026US 2026/0200198 A1Ranpak Corp.
Most cited
By later US patents
- System and device for inflating and sealing air inflated cushioning material152US 4,017,351 AMinnesota Mining and Manufacturing Company · 1977
- Packing product and apparatus and method for manufacturing same149US 7,452,316 B2Ranpak Corp. · 2008
- Inflatable packaging material141US 4,551,379 A1985
- Mechanism and method for producing cushioning dunnage141US 4,717,613 ARanpak Corp. · 1988
- Apparatus for fabricating dunnage material from continuous web material140US 5,203,761 ASealed Air Corporation · 1993