B29C 2045/528
Mixing means forming part of or in close proximity to the non-return
Official title: {Mixing means forming part of or in close proximity to the non-return valve}
B29C2045/528 (Mixing means forming part of or in close proximity to the non-return) appears on 14 US grants and 9 published applications in this corpus.
Search patents in B29C- Granted patents
- 14
- Published applications
- 9
- Assignees
- 14
- Inventors
- 35
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Nonreturn valve for the screw of a plasticising unit of an injection-moulding machine28 Nov 2023US 11,826,937 B2KraussMaffei Technologies GmbH
- Injection moulding machine for producing fibre-reinforced plastic mouldings21 Sep 2021US 11,123,906 B2KraussMaffei Technologies GmbH
- Injection molding system and injection molding method for producing fiber-reinforced plastics material parts25 Jul 2017US 9,713,887 B2Skz-Kfe Ggmbh Kuntstoff-Forschung Und-Entwicklung
- Injection unit having rotatable device for preventing reverse flow12 Sep 2006US 7,104,775 B2LG Cable Ltd.
- Backflow prevention device25 Apr 2006US 7,033,163 B2Krauss-Maffei Kunststofftechnik GmbH
- Nonreturn valve for the screw of a plasticising unit of an injection-moulding machine25 Feb 2021US 2021/0053264 A1KraussMaffei Technologies GmbH
- Injection moulding machine for producing fibre-reinforced plastic mouldings1 Aug 2019US 2019/0232536 A1KraussMaffei Technologies GmbH
- Injection molding machine and injection molding machine screw for injecting molten resin in which thermoplastic resin and reinforcing fibers have been mixed and melted25 Apr 2019US 2019/0118441 A1Toyo Machinery & Metal Co., Ltd.
- Supercritical fluid microcellular injection molding equipment and injection molding method thereof28 Mar 2019US 2019/0091901 A1Vigourplastic Co., Ltd.
- Plastic moulding method24 Mar 2016US 2016/0082627 A1
Most cited
By later US patents
- Screw extruder with improved dispersive mixing elements38US 6,136,246 ARauwendaal Extrusion Engineering, Inc. · 2000
- Process and apparatus for injection molding with melt filtration and mixing19US 5,246,660 ASeiki Kabushiki Kaisha · 1993
- Intermeshing element mixer19US 6,709,147 B1Rauwendaal Extrusion Engineering, Inc. · 2004
- Plastic extruder having a mixing valve with automatic shut-off16US 5,439,633 ASpirex Corporation · 1995
- Distributive mixer device15US 5,013,233 AUniversiteit Twente · 1991