B29C 2949/0772
Closure retaining means
B29C2949/0772 (Closure retaining means) appears on 616 US grants and 504 published applications in this corpus.
Search patents in B29C- Granted patents
- 616
- Published applications
- 504
- Assignees
- 205
- Inventors
- 725
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 9 | 0 |
| 1980 | 1 | 0 |
| 1981 | 13 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 11 | 0 |
| 1985 | 11 | 0 |
| 1986 | 11 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 15 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 23 | 0 |
| 2000 | 9 | 0 |
| 2001 | 18 | 7 |
| 2002 | 20 | 16 |
| 2003 | 21 | 21 |
| 2004 | 13 | 23 |
| 2005 | 10 | 33 |
| 2006 | 8 | 30 |
| 2007 | 10 | 21 |
| 2008 | 13 | 42 |
| 2009 | 16 | 35 |
| 2010 | 13 | 45 |
| 2011 | 14 | 21 |
| 2012 | 21 | 24 |
| 2013 | 19 | 14 |
| 2014 | 31 | 24 |
| 2015 | 14 | 23 |
| 2016 | 21 | 12 |
| 2017 | 14 | 14 |
| 2018 | 17 | 16 |
| 2019 | 16 | 14 |
| 2020 | 14 | 14 |
| 2021 | 8 | 14 |
| 2022 | 7 | 10 |
| 2023 | 15 | 11 |
| 2024 | 9 | 10 |
| 2025 | 10 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a PHA container25 Aug 2026US 12,715,170 B2Societe des Produits Nestle S. A.
- Preforms for flair applications7 Jul 2026US 12,673,448 B2
- Medical fluid container3 Mar 2026US 12,564,542 B2B. Braun Melsungen AG
- Method for heating a preform and corresponding method for forming a container25 Nov 2025US 12,479,152 B2Societe des Produits Nestle S. A.
- Lightweight plastic container and preform28 Oct 2025US 12,454,385 B2Plastipak Packaging, Inc.
- Parison and method for forming a container including an internal tapered base14 May 2026US 2026/0131518 A1Amcor Rigid Packaging USA, LLC
- Lightweight plastic container and preform5 Feb 2026US 2026/0035125 A1Plastipak Packaging, Inc.
- Container including an internal tapered base15 Jan 2026US 2026/0015122 A1Amcor Rigid Packaging USA, LLC
- Device for making a bypass channel in syringe preforms and method for making a bypass channel in syringe preforms25 Dec 2025US 2025/0387967 A1Stevanato Group S.P.A.
- Lightweight plastic container and preform4 Dec 2025US 2025/0368378 A1Plastipak Packaging, Inc.
Most cited
By later US patents
- Hot fill container260US 4,863,046 AContinental PET Technologies, Inc. · 1989
- Pasteurizable plastic container191US 5,908,128 AContinental PET Technologies, Inc. · 1999
- Preform and bottle using pet/pen blends and copolymers189US 5,888,598 AThe Coca-Cola Company · 1999
- Multilayer plastic container and method of making the same136US 6,123,211 AAmerican National Can Company · 2000
- Concentric ribbed preform and bottle made from same135US 4,892,205 AHoover Universal, Inc. · 1990