B31D 3/04
Cellular packaging articles
Official title: cellular packaging articles, e.g. for bottles
B31D3/04 (Cellular packaging articles) appears on 61 US grants and 40 published applications in this corpus.
Search patents in B31D- Granted patents
- 61
- Published applications
- 40
- Assignees
- 13
- Inventors
- 34
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 5 |
| 2022 | 3 | 5 |
| 2023 | 8 | 5 |
| 2024 | 4 | 3 |
| 2025 | 1 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products22 Sep 2026US 12,741,798 B2HexcelPack, LLC
- Honeycomb cell shock-protection paper pad structure, and fabrication method and fabrication apparatus3 Mar 2026US 12,565,370 B21teck Automation Technology Co., Ltd.
- Expanded slit sheet cushioning products with novel reduced dimension slit patterns11 Feb 2025US 12,221,260 B2HexcelPack, LLC
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products19 Nov 2024US 12,145,784 B2HexcelPack, LLC
- Expanded slit sheet cushioning products with novel slit pattern and paper properties8 Oct 2024US 12,110,159 B2HexcelPack, LLC
- Package box containing buffer-forming core for forming buffer packing material17 Sep 2026US 2026/0273887 A1
- Expanded Slit Sheet Cushioning Product with Novel Reduced-Dimension Slit Patterns11 Dec 2025US 2025/0376311 A1HexcelPack, LLC
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products10 Jul 2025US 2025/0223090 A1HexcelPack, LLC
- Honeycomb cell shock-protection paper pad structure, and fabrication method and fabrication apparatus20 Mar 2025US 2025/0091788 A11teck Automation Technology Co., Ltd.
- Honeycomb cell shock-protection paper pad structure, and fabrication method and fabrication apparatus20 Mar 2025US 2025/0091789 A11teck Automation Technology Co., Ltd.
Most cited
By later US patents
- Composite packaging material having an expanded sheet with a separator sheet104US 5,688,578 A1997
- Slit sheet packing material100US 5,667,871 AGeopax Ltd · 1997
- Method and apparatus for producing individual rolls of packing material85US 5,782,735 AGeopax Ltd · 1998
- Multi-directional and variably expanded sheet material surfaces84US 8,084,117 B22011
- Method and apparatus for producing individual rolls of packing material67US 5,538,778 AGeopax Ltd · 1996