B21D 51/443
Easily removable closures
Official title: {easily removable closures, e.g. by means of tear strips}
B21D51/443 (Easily removable closures) appears on 45 US grants and 63 published applications in this corpus.
Search patents in B21D- Granted patents
- 45
- Published applications
- 63
- Assignees
- 26
- Inventors
- 89
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 5 |
| 2013 | 1 | 4 |
| 2014 | 3 | 2 |
| 2015 | 2 | 8 |
| 2016 | 3 | 3 |
| 2017 | 5 | 5 |
| 2018 | 1 | 3 |
| 2019 | 3 | 3 |
| 2020 | 4 | 4 |
| 2021 | 5 | 6 |
| 2022 | 3 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Apparatus for the production of tear-off lids23 Jun 2026US 12,661,705 B2Soudronic AG
- Can lid and method for producing a can lid3 Jun 2025US 12,319,467 B2Top Cap Holding GmbH
- Manufacturing tooling and methods for producing push button container closures20 May 2025US 12,303,958 B2Consumer Convenience Technologies LLC
- Can lid3 Dec 2024US 12,157,160 B2Daiwa Can Company
- Method and device for producing tear-open lids10 Sep 2024US 12,083,577 B2Soudronic AG
- Methods of forming rounded rivet buttons on can ends4 Jun 2026US 2026/0151817 A1Stolle Machinery Company, LLC
- Paneling tooling assemblies4 Jun 2026US 2026/0151818 A1Stolle Machinery Company, LLC
- Can lid manufacturing device, can lid manufacturing method, can lid, and can container containing contents7 May 2026US 2026/0124668 A1Toyo Seikan Co., Ltd.
- Manufacturing tooling and methods for producing push button container closures28 Nov 2024US 2024/0390969 A1Consumer Convenience Technologies LLC
- Apparatus for the production of tear-off lids2 May 2024US 2024/0139796 A1Soudronic AG
Most cited
By later US patents
- Resealable beverage can end and methods relating to same43US 8,336,726 B2Crown Packaging Technology, Inc. · 2012
- Reclosable lid for a vacuum food container and having a vacuum release button13US 9,701,447 B2Container Closure Technologies LLC · 2017
- Method and device for manufacturing peel-off lids10US 8,287,220 B2Soudronic AG · 2012
- Can end and rivet base scoreline therefor9US 8,109,405 B2Stolle Machinery Company, LLC · 2012
- Bottle crown7US 8,608,006 B2World Bottling Cap, LLC · 2013