B29C 2049/4881
Having a mandrel or core e.g. two mould halves with a core
Official title: {having a mandrel or core e.g. two mould halves with a core in-between}
B29C2049/4881 (Having a mandrel or core e.g. two mould halves with a core) appears on 158 US grants and 126 published applications in this corpus.
Search patents in B29C- Granted patents
- 158
- Published applications
- 126
- Assignees
- 82
- Inventors
- 277
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 8 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 3 |
| 2004 | 4 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 9 |
| 2010 | 4 | 7 |
| 2011 | 2 | 8 |
| 2012 | 4 | 3 |
| 2013 | 12 | 7 |
| 2014 | 7 | 5 |
| 2015 | 5 | 8 |
| 2016 | 6 | 4 |
| 2017 | 2 | 2 |
| 2018 | 4 | 11 |
| 2019 | 4 | 8 |
| 2020 | 4 | 10 |
| 2021 | 11 | 10 |
| 2022 | 13 | 8 |
| 2023 | 3 | 1 |
| 2024 | 6 | 5 |
| 2025 | 5 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin-made container, resin-made container manufacturing method, resin-made container manufacturing apparatus, and mold6 Oct 2026US 12,752,955 B2Nissei Asb Machine Co., Ltd.
- Systems and methods for rotary blow-fill-seal (BFS) machine mold positioning8 Sep 2026US 12,728,582 B2Koska Family Limited
- Method for producing resin vessel made of resin, mould unit and moulding apparatus20 Jan 2026US 12,528,242 B2Nissei Asb Machine Co., Ltd.
- Polymer vials with substantially flat bottoms and injection stretch blow molding methods for making the same25 Nov 2025US 12,478,553 B2Sio2 Medical Products, Inc.
- Mold for blow molding, method for manufacturing resin container using same, and resin container7 Oct 2025US 12,434,424 B2Nissei Asb Machine Co., Ltd.
- Extrusion blow-moulding machine and method for producing a hollow body24 Sep 2026US 2026/0284954 A1
- Method for producing resin vessel made of resin, mould unit and moulding apparatus7 May 2026US 2026/0124800 A1Nissei Asb Machine Co., Ltd.
- Mold device26 Mar 2026US 2026/0084365 A1Sumitomo Heavy Industries, Ltd.
- Polymer vials with substantially flat bottoms and injection stretch blow molding methods for making the same19 Mar 2026US 2026/0076872 A1Sio2 Medical Products, Inc.
- Mould system and method6 Mar 2025US 2025/0075436 A1Pulpex Limited
Most cited
By later US patents
- Preform and method for manufacturing a multi-layer blown finish container124US 6,749,780 B2Graham Packaging Company L. P. · 2004
- Dispensing container with plural removable closure means unitary therewith64US 4,298,045 AAutomatic Liquid Packaging, Inc. · 1981
- Injection blow molding process42US 4,357,296 AEthyl Corporation · 1982
- Modular die set for blow molding containers37US 4,151,976 AThe Plastic Forming Company, Inc. · 1979
- Synthetic-resin hollow container with grip36US 4,727,997 ANissei Asb Machine Co., Ltd. · 1988