B29C 45/1604
Using a valve urged by the injection pressure
Official title: {using a valve urged by the injection pressure}
B29C45/1604 (Using a valve urged by the injection pressure) appears on 13 US grants and 3 published applications in this corpus.
Search patents in B29C- Granted patents
- 13
- Published applications
- 3
- Assignees
- 8
- Inventors
- 23
- Latest grant
- 10 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
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| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Co-injection nozzle for an injection moulding device for producing multi-layered injection-moulded products10 Nov 2020US 10,828,813 B2FOSTAG Formenbau AG
- Resin molding method8 Oct 2019US 10,434,694 B2Canon Kabushiki Kaisha
- Method of forming a shaped article of resin using cavity enlargement to induce foaming12 Dec 1995US 5,474,723 A
- Multi-ply molding hot-runner mold3 Aug 1993US 5,232,710 ANissei Asb Machine Co., Ltd.
- Hot runner system for coinjection6 Apr 1993US 5,200,207 AHusky Injection Molding Systems Ltd.
- Hot runner injection nozzle system suitable for co-injection molding with built-in obturator and variable gate direction9 Apr 2026US 2026/0097544 A1PLASDAN—Automacao e Sistemas, Lda.
- Resin molding method4 Jan 2018US 2018/0001527 A1Canon Kabushiki Kaisha
- Co-injection nozzle for an injection moulding device for producing multi-layered injection-moulded products9 Nov 2017US 2017/0320248 A1FOSTAG Formenbau AG
Most cited
By later US patents
- Method and apparatus for coinjecting two thermoplastic materials54US 4,470,936 AOwens-Illinois, Inc. · 1984
- Method of injection-moulding by injection of an article composed of at least three different materials45US 4,052,497 ABillion S.A. · 1977
- Hot runner system for coinjection37US 5,200,207 AHusky Injection Molding Systems Ltd. · 1993
- Injection molding machine for composite articles30US 4,029,454 A1977
- Multi-ply molding hot-runner mold27US 5,232,710 ANissei Asb Machine Co., Ltd. · 1993