B29C 45/0081
Injection moulding, i.e. forcing the required volume of moulding material through a
Official title: {of objects with parts connected by a thin section, e.g. hinge, tear line}
B29C45/0081 (Injection moulding, i.e. forcing the required volume of moulding material through a) appears on 277 US grants and 320 published applications in this corpus.
Search patents in B29C- Granted patents
- 277
- Published applications
- 320
- Assignees
- 205
- Inventors
- 566
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 5 |
| 2002 | 7 | 4 |
| 2003 | 6 | 5 |
| 2004 | 6 | 8 |
| 2005 | 2 | 6 |
| 2006 | 4 | 21 |
| 2007 | 5 | 10 |
| 2008 | 8 | 9 |
| 2009 | 3 | 14 |
| 2010 | 6 | 11 |
| 2011 | 7 | 8 |
| 2012 | 5 | 14 |
| 2013 | 11 | 11 |
| 2014 | 13 | 15 |
| 2015 | 9 | 12 |
| 2016 | 9 | 17 |
| 2017 | 9 | 20 |
| 2018 | 10 | 10 |
| 2019 | 16 | 14 |
| 2020 | 9 | 20 |
| 2021 | 15 | 13 |
| 2022 | 16 | 12 |
| 2023 | 14 | 17 |
| 2024 | 12 | 23 |
| 2025 | 19 | 14 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retainable closure11 Aug 2026US 12,703,543 B2Berry Global, Inc.
- Flexible structural reinforcement23 Jun 2026US 12,661,835 B2Zephyros, Inc.
- Package closure and a method for producing a package closure26 May 2026US 12,637,266 B2Petro-Pack AB
- Closure devices and mold components for molding closure devices19 May 2026US 12,629,871 B2Husky Injection Molding Systems Ltd.
- Elongate articulated bending section body for an insertion endoscope21 Apr 2026US 12,605,046 B2Ambu A/S
- Flexible Structural Reinforcement17 Sep 2026US 2026/0273813 A1Zephyros, Inc.
- Closures with tamper evidence25 Jun 2026US 2026/0176029 A1Husky Injection Molding Systems Ltd.
- Closures with tamper evidence18 Jun 2026US 2026/0167389 A1Husky Injection Molding Systems Ltd.
- Sealing unit, container and assembly comprising the same, and manufacturing method for sealing unit28 May 2026US 2026/0145848 A1Glenroy, Inc.
- Spout, and container and assembly comprising the same28 May 2026US 2026/0145849 A1Glenroy, Inc.
Most cited
By later US patents
- Desiccant entrained polymer287US 5,911,937 ACapitol Specialty Plastics, Inc. · 1999
- Plastic cap and a process for the production of the same102US 5,823,373 ADaikyo Seiko, Ltd. · 1998
- Liquid dispensing closure96US 6,510,971 B1Weatherchem Corporation · 2003
- Desiccant entrained polymer89US 6,214,255 B1Capitol Specialty Plastics, Inc. · 2001
- Container with integrally molded closure/tamper indicator81US 5,662,245 ASchmalbach-Lubeca AG · 1997