B31D 2205/0052
Perforating
Official title: Perforating; Forming lines of weakness
B31D2205/0052 (Perforating) appears on 83 US grants and 83 published applications in this corpus.
Search patents in B31D- Granted patents
- 83
- Published applications
- 83
- Assignees
- 23
- Inventors
- 81
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 4 | 3 |
| 2006 | 1 | 8 |
| 2007 | 1 | 3 |
| 2008 | 1 | 5 |
| 2009 | 3 | 2 |
| 2010 | 5 | 5 |
| 2011 | 5 | 3 |
| 2012 | 2 | 0 |
| 2013 | 6 | 6 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 3 |
| 2020 | 5 | 4 |
| 2021 | 6 | 8 |
| 2022 | 4 | 3 |
| 2023 | 7 | 4 |
| 2024 | 4 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inflatable packaging with offset tear initiation features3 Feb 2026US 12,540,018 B2Pregis LLC
- Packaging material6 Jan 2026US 12,515,866 B2tForm, Inc.
- Fill material cutting systems for partially or fully cutting fill material23 Sep 2025US 12,420,515 B2Sealed Air Corporation (US)
- Method for inflating airbags14 Jan 2025US 12,195,261 B1
- Dunnage conversion machine, method, and product with a polygonal cross-section16 Jul 2024US 12,036,762 B2Ranpak Corp.
- 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
- Packaging material14 May 2026US 2026/0131962 A1IForm, Inc.
- Fill material cutting systems for partially or fully cutting fill material1 May 2025US 2025/0135742 A1Sealed Air Corporation (US)
- Tooling Method for Expanded Slit Sheet Material6 Mar 2025US 2025/0074028 A1
- Dunnage production system19 Sep 2024US 2024/0308168 A1
Most cited
By later US patents
- Machine and method for manufacturing a continuous production of pneumatically filled inflatable packaging pillows114US 6,209,286 B1Novus Packaging Corporation · 2001
- Inflated dunnage and method for its production107US 5,693,163 A1997
- Method for producing inflated dunnage89US 5,552,003 A1996
- Machine and method for making paper dunnage63US 6,910,997 B1Free-Flow Packaging International, Inc. · 2005
- Dunnage material and process56US 6,199,349 B1Automated Packaging Systems, Inc. · 2001