B29C 70/80
Moulding sealing material into closure members
Official title: Moulding sealing material into closure members {(placing sealings in closures B21D51/46)}
B29C70/80 (Moulding sealing material into closure members) appears on 104 US grants and 46 published applications in this corpus.
Search patents in B29C- Granted patents
- 104
- Published applications
- 46
- Assignees
- 69
- Inventors
- 151
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 4 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 5 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for applying a sealing member to a capsule for preparing a beverage17 Feb 2026US 12,552,566 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Device for portioning and positioning a flowable material, machine comprising the device, and method for producing a container closure28 Oct 2025US 12,454,080 B2Silgan Holdings Inc.
- Cap for containers, plant, method and forming device for making said cap9 Jan 2024US 11,866,238 B2Pelliconi & C. S.P.A.
- Method and apparatus for applying a sealing member to a capsule for preparing a beverage5 Dec 2023US 11,834,219 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Method for manufacturing a beverage capsule with sealing ring5 Sep 2023US 11,745,450 B2Dätwyler Schweiz AG
- Methods of manufacturing pvc-free vessel caps14 May 2026US 2026/0131547 A1Eastman Chemical Company
- Pvc-free vessel caps and methods of making thereof14 May 2026US 2026/0131954 A1Eastman Chemical Company
- Method and apparatus for applying a dose of material23 Apr 2026US 2026/0109118 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Device for portioning and positioning a flowable material, machine comprising the device, and method for producing a container closure29 Jan 2026US 2026/0027754 A1Silgan Holdings Inc.
- Method and apparatus for applying a sealing member to a capsule for preparing a beverage22 Feb 2024US 2024/0059437 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
Most cited
By later US patents
- Container closure wth liner and method of producing the same107US 5,542,557 AToyo Seikan Kaisha, Ltd. · 1996
- Plastic closure with mechanical pilfer band93US 4,418,828 AH-C Industries, Inc. · 1983
- Process and apparatus for molding liners in container closures67US 4,343,754 AH-C Industries, Inc. · 1982
- Container closure with liner43US 5,381,914 AToyo Seikan Kaisha, Ltd. · 1995
- Process for manufacture of closure assembly42US 5,961,911 ABecton, Dickinson and Company · 1999