B21D 51/46
Placing sealings or sealing material
Official title: Placing sealings or sealing material {(moulding plastic sealing material into closure members B29C70/80)}
B21D51/46 (Placing sealings or sealing material) appears on 84 US grants and 49 published applications in this corpus.
Search patents in B21D- Granted patents
- 84
- Published applications
- 49
- Assignees
- 51
- Inventors
- 152
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 0 | 5 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 7 | 2 |
| 2019 | 3 | 5 |
| 2020 | 2 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 5 | 5 |
| 2024 | 2 | 1 |
| 2025 | 5 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cap and method for manufacturing cap23 Sep 2025US 12,420,988 B2Daiwa Can Company
- Coated metal closures9 Sep 2025US 12,409,992 B2Crown Packaging Technology, Inc.
- Can lid and method for producing a can lid3 Jun 2025US 12,319,467 B2Top Cap Holding GmbH
- Sealing machine and related control method27 May 2025US 12,311,429 B2G. D S.p.A.
- Liner machine for applying sealing compound21 Jan 2025US 12,202,004 B2Custom Machining Corp.
- Moulding male device14 May 2026US 2026/0131508 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Rotary-Equipment Correction Device and Battery Manufacturing System Including Same8 May 2025US 2025/0149615 A1LG Energy Solution, Ltd.
- Can end18 Apr 2024US 2024/0124189 A1
- Cap and method for manufacturing cap23 Nov 2023US 2023/0373688 A1Daiwa Can Company
- Can lid and method for producing a can lid19 Oct 2023US 2023/0331435 A1Top Cap Holding GmbH
Most cited
By later US patents
- Method of obtaining a seal upon the interior surface of a container closure and resulting product33US 4,295,573 ANordson Corporation · 1981
- Curled container bodies, method of securing closures thereto and containers formed thereby29US 3,952,677 AAmerican Can Company · 1976
- Method for forming patch top container end and closure member assembly22US 3,961,566 ABoise Cascade Corporation · 1976
- Method and apparatus for creating preformed bonded pull tabs over a reseal liner22US 6,174,274 B1Rexam Plastics Inc. · 2001
- Apparatus and method for inserting membrane into container lids21US 3,959,061 AKraftco Corporation · 1976