B29C 49/0208
Joining several separate preforms while blow-moulding
Official title: {joining several separate preforms while blow-moulding, e.g. two cylindrical preforms welded together during blowing}
B29C49/0208 (Joining several separate preforms while blow-moulding) appears on 20 US grants and 23 published applications in this corpus.
Search patents in B29C- Granted patents
- 20
- Published applications
- 23
- Assignees
- 23
- Inventors
- 62
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
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| 1995 | 0 | 0 |
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| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 4 |
| 2017 | 3 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Double container and manufacturing method therefor, preform, and container manufacturing method1 Jul 2025US 12,343,921 B2Kyoraku Co., Ltd.
- Preform assembly, double container, and method of manufacturing double container26 Nov 2024US 12,151,845 B2Yoshino Kogyosho Co., Ltd.
- Preform assembly, double container, and method of manufacturing double container26 Dec 2023US 11,851,235 B2Yoshino Kogyosho Co., Ltd.
- Hollow molded article19 Jan 2021US 10,894,117 B2Kyoraku Co., Ltd.
- Method of Manufacturing a Cartridge26 Feb 2026US 2026/0054443 A1Gaplast GmbH
- Line system with numerous outlets22 Jan 2026US 2026/0024840 A1
- Dispenser container and method for producing a dispenser container6 Nov 2025US 2025/0340007 A1INOTECH Kunststofftechnik GmbH
- Double container and manufacturing method therefor, preform, and container manufacturing method16 Oct 2025US 2025/0319642 A1Kyoraku Co., Ltd.
- Preform assembly, double container, and method of manufacturing double container15 Feb 2024US 2024/0051702 A1Yoshino Kogyosho Co., Ltd.
Most cited
By later US patents
- Apparatus for high rate production of biaxially oriented thermoplastic articles43US 4,432,720 ACincinnati Milacron Inc. · 1984
- Molded article conditioning and storage system, method and resulting preform26US 5,772,951 AHusky Injection Molding Systems Ltd. · 1998
- Dual-chamber container, and method and apparatus for its manufacture14US 6,984,119 B1Owens-Illinois Health Care Packaging Inc. · 2006
- Process for making a multilayered parison of thermoplastic material13US 4,590,028 AKrupp Corpoplast Maschinenbau GmbH · 1986
- Injection blow molding machine, injection blow molding method and injection molding machine12US 6,156,258 ANissei Asb Machine Co., Ltd. · 2000