B31D 5/0043
Including crumpling flat material
Official title: {including crumpling flat material}
B31D5/0043 (Including crumpling flat material) appears on 343 US grants and 303 published applications in this corpus.
Search patents in B31D- Granted patents
- 343
- Published applications
- 303
- Assignees
- 39
- Inventors
- 219
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 19 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 21 | 3 |
| 2002 | 11 | 12 |
| 2003 | 7 | 10 |
| 2004 | 7 | 10 |
| 2005 | 5 | 6 |
| 2006 | 5 | 6 |
| 2007 | 6 | 12 |
| 2008 | 6 | 13 |
| 2009 | 4 | 7 |
| 2010 | 12 | 11 |
| 2011 | 4 | 19 |
| 2012 | 8 | 13 |
| 2013 | 12 | 10 |
| 2014 | 6 | 14 |
| 2015 | 4 | 4 |
| 2016 | 9 | 9 |
| 2017 | 6 | 11 |
| 2018 | 6 | 13 |
| 2019 | 5 | 12 |
| 2020 | 12 | 23 |
| 2021 | 15 | 15 |
| 2022 | 26 | 24 |
| 2023 | 17 | 11 |
| 2024 | 21 | 14 |
| 2025 | 14 | 12 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of forming a packaging enclosure with an expandable packaging material15 Sep 2026US 12,734,780 B2Iow, LLC
- Dunnage device with tag-tearing prevention8 Sep 2026US 12,728,614 B2Pregis LLC
- Forming station with guide wall28 Jul 2026US 12,691,656 B2Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co.
- Device and method for processing a strand of cushioning material, and cushioning material coil21 Apr 2026US 12,606,400 B2Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co.
- Forming assembly for a dunnage conversion machine, dunnage conversion machine and pre-prepared sheet stock material7 Apr 2026US 12,594,738 B2Ranpak Corp.
- 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.
- 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.
- Machine and method for producing dunnage having an x-shaped cross-section profile16 Jul 2026US 2026/0200199 A1Ranpak Corp.
- Dunnage systems with automated feeding capability28 May 2026US 2026/0145404 A1Pregis LLC
Most cited
By later US patents
- Packing product and apparatus and method for manufacturing same149US 7,452,316 B2Ranpak Corp. · 2008
- Mechanism and method for producing cushioning dunnage141US 4,717,613 ARanpak Corp. · 1988
- Method and mechanism for producing cushioning dunnage product130US 4,750,896 ARanpak Corp. · 1988
- Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine125US 5,123,889 ARanpak Corp. · 1992
- Cushioning dunnage mechanism, transfer cart therefor, and method124US 4,026,198 ARanpak Corp. · 1977