B65B 51/227
By induction welding
Official title: {by induction welding}
B65B51/227 (By induction welding) appears on 136 US grants and 133 published applications in this corpus.
Search patents in B65B- Granted patents
- 136
- Published applications
- 133
- Assignees
- 61
- Inventors
- 272
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 2 |
| 2004 | 5 | 4 |
| 2005 | 4 | 2 |
| 2006 | 4 | 5 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 7 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 3 | 5 |
| 2014 | 1 | 8 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 8 | 12 |
| 2018 | 3 | 10 |
| 2019 | 13 | 10 |
| 2020 | 8 | 5 |
| 2021 | 5 | 6 |
| 2022 | 6 | 7 |
| 2023 | 7 | 8 |
| 2024 | 7 | 9 |
| 2025 | 8 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multilayer rod, sealing unit, package forming apparatus, packaging machine, method for manufacturing a multilater rod and method for manufacturing an induction sealing device1 Sep 2026US 12,722,830 B2Tetra Laval Holdings & Finance S. A.
- Container and method and apparatus for adding a product to a container18 Aug 2026US 12,709,424 B2Colin Mear Engineering Limited
- Systems for high-speed application of paper-based end closures on composite containers24 Mar 2026US 12,583,639 B2Sonoco Development, Inc.
- Systems for the high-speed application of paper-based end closures on composite12 Aug 2025US 12,384,573 B2Sonoco Development, Inc.
- Heating and sealing head for packaging machines of products in trays12 Aug 2025US 12,384,582 B2Bmb S.R.L.
- Packaging machine with sealing device for paper wrapping materials17 Sep 2026US 2026/0274478 A1Valmet Tissue Converting S.p.A.
- Thermal bonding method for plastic bag and method of manufacturing plastic bag23 Apr 2026US 2026/0109504 A1
- Packaging machine with sealant dispensing device16 Apr 2026US 2026/0103308 A1Valmet Tissue Converting S.p.A.
- Systems and methods for the high-speed application of paper-based end closures on composite containers4 Dec 2025US 2025/0368365 A1Sonoco Development, Inc.
- Methods and systems for sealing evaluation of induction-sealed containers6 Nov 2025US 2025/0341442 A1Yoran Imaging Ltd.
Most cited
By later US patents
- Induction sealing of paperboard73US 4,637,199 AInternational Paper Company · 1987
- Machine and process for capping and sealing containers54US 4,095,390 AMcKenna Equipment Company, Inc. · 1978
- Induction heating unit for heat bonding a lid having a metallic layer to a container43US 4,707,213 AContinental Can Company, Inc. · 1987
- Nest for container closing machine37US 4,909,022 AContinental Can Company, Inc. · 1990
- High capacity package seal, sever, and brick apparatus and method33US 4,881,360 AInternational Paper Company · 1989