B29C 2045/2879
Back flow of material into nozzle channel
Official title: {Back flow of material into nozzle channel}
B29C2045/2879 (Back flow of material into nozzle channel) appears on 16 US grants and 15 published applications in this corpus.
Search patents in B29C- Granted patents
- 16
- Published applications
- 15
- Assignees
- 14
- Inventors
- 26
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
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| 1987 | 0 | 0 |
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| 1989 | 0 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injection molding of multilayer articles with post-pullback pressure monitoring27 May 2025US 12,311,591 B2Husky Injection Molding Systems Ltd.
- Valve pin and nozzle configuration and method of control26 Jan 2021US 10,899,055 B2Synventive Molding Solutions, Inc.
- Injection nozzle system for an injection molding machine24 Mar 2009US 7,507,081 B2Mold-Masters (2007) Limited
- Needle valve nozzle3 Mar 2009US 7,497,681 B2Gunther GmbH & Co., Metallverarbeitung
- Edge gated injection molding apparatus12 Aug 2008US 7,410,353 B2Mold-Masters (2007) Limited
- Injection mould and method for manufacturing parts2 Apr 2026US 2026/0091539 A1
- Method and System for Injection Molding26 Jun 2025US 2025/0205947 A1INGLASS S.p.A.
- Injection molding of multilayer articles with post-pullback pressure monitoring26 Jun 2025US 2025/0205949 A1Husky Injection Molding Systems Ltd.
- Injection Molding of Multilayer Articles with Post-Pullback Pressure Monitoring22 Dec 2022US 2022/0402186 A1Husky Injection Molding Systems Ltd.
- Valve pin and nozzle configuration and method of control6 Oct 2016US 2016/0288388 A1Synventive Molding Solutions, Inc.
Most cited
By later US patents
- Injection molding valve member with head and neck portions38US 5,695,793 AMold-Masters Limited · 1997
- Valve nozzle having a pressure-relief means32US 6,273,706 B1Gunther Heisskanaltechnik GmbH · 2001
- Injection molding method and apparatus28US 4,108,956 AOwens-Illinois, Inc. · 1978
- Injection molding nozzle having a centering bushing26US 5,505,613 AApparate-und Werkzeugbau AG · 1996
- Injection nozzle system for an injection molding machine25US 6,769,901 B2Mold-Masters Limited · 2004