B29C 2045/2893
Multiple coaxial needle valves
Official title: {Multiple coaxial needle valves}
B29C2045/2893 (Multiple coaxial needle valves) appears on 17 US grants and 12 published applications in this corpus.
Search patents in B29C- Granted patents
- 17
- Published applications
- 12
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 3 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Gate valve and manufacturing method of gate valve12 Jan 2016US 9,233,497 B2Toray Industries, Inc.
- High pressure injection molding nozzle with low pressure manifold10 Aug 2010US 7,771,190 B2Husky Injection Molding Systems Ltd.
- Valve for co-injection molding apparatus8 Jun 2010US 7,731,489 B2Mold-Masters (2007) Limited
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- Compact stack valve gate9 Mar 2023US 2023/0074391 A1Husky Injection Molding Systems Ltd.
- Method for producing a toothbrush, and toothbrush12 Apr 2018US 2018/0098617 A1Trisa Holding AG
- Gate valve and manufacturing method of gate valve2 Apr 2015US 2015/0091212 A1Toray Industries, Inc.
- Method for producing a toothbrush, and toothbrush26 Jun 2014US 2014/0173853 A1Trisa Holding AG
- Injector for injection moulding of plastic materials31 Dec 2009US 2009/0321994 A1INGLASS S.p.A.
Most cited
By later US patents
- Hot-runner mold for injection molding77US 4,657,496 AGifu Husky Co., Ltd. · 1987
- Methods for injection molding and blow-molding multi-layer plastic articles55US 5,523,045 AAmerican National Can Company · 1996
- Apparatus for injection molding multi-layer articles24US 6,332,767 B1Pechiney Emballage Flexible Europe · 2001
- Valve gate device for use in an injection mold23US 6,179,604 B2Mitsubishi Materials Corporation · 2001
- Methods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made thereby22US 6,194,041 B1American National Can Company · 2001