B31C 3/04
Seam processing
B31C3/04 (Seam processing) appears on 34 US grants and 26 published applications in this corpus.
Search patents in B31C- Granted patents
- 34
- Published applications
- 26
- Assignees
- 17
- Inventors
- 57
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Can27 Jan 2026US 12,534,263 B2Envican GmbH
- Pressure-resistant container15 Oct 2024US 12,116,162 B2Envican GmbH
- Paper tube making apparatus23 May 2023US 11,654,649 B2Chan Li Machinery Co., Ltd.
- Pressure-resistant container14 Mar 2023US 11,603,232 B2Envican GmbH
- Apparatus and method for making and cutting paper tube14 Feb 2023US 11,577,418 B2Chan Li Machinery Co., Ltd.
- Container and method for manufacturing the same24 Jul 2025US 2025/0236434 A1Sonoco Development, Inc.
- Can4 Jul 2024US 2024/0217693 A1Envican GmbH
- Pressure-resistant container18 May 2023US 2023/0150721 A1Envican GmbH
- Method for manufacturing a paperboard bottle and paperboard bottle16 Jun 2022US 2022/0185529 A1Esbottle Oy
- Package Maker9 Dec 2021US 2021/0380304 A1
Most cited
By later US patents
- Easy-open container for refrigerated dough products and the like67US 5,251,809 ASonoco Products Company · 1993
- Container for refrigerated dough and method of forming a refrigerated dough product42US 5,084,284 AThe Pillsbury Company · 1992
- Single-ply paperboard tube and method of forming same33US 5,586,963 ASonoco Products Company · 1996
- Methods of manufacturing tubular containers having polymeric liner plies27US 6,190,485 B1Sonoco Development, Inc. · 2001
- Composite container with high barrier liner layer and method of forming the same25US 4,760,949 ASonoco Products Company · 1988