B29C 48/62
Characterised by the shape of the thread channel
Official title: characterised by the shape of the thread channel, e.g. U-shaped
B29C48/62 (Characterised by the shape of the thread channel) appears on 39 US grants and 15 published applications in this corpus.
Search patents in B29C- Granted patents
- 39
- Published applications
- 15
- Assignees
- 31
- Inventors
- 69
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for supporting molding of pulverized material resin material16 Jun 2026US 12,654,377 B2Nissei Plastic Industrial Co., Ltd.
- No solid bed extruder screw with varying width sub-channels28 Oct 2025US 12,454,089 B2
- Plasticating screw15 Aug 2023US 11,724,430 B2EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.
- Mixing element having projections defining channels of varying width and depth for extrusion operations18 Oct 2022US 11,472,089 B2Case Western Reserve University
- No solid bed extruder screw29 Mar 2022US 11,285,652 B2
- Method for supporting molding of pulverized material resin material28 Dec 2023US 2023/0415393 A1Nissei Plastic Industrial Co., Ltd.
- No solid bed extruder screw with varying width sub-channels23 Nov 2023US 2023/0373150 A1
- Continuous cycle systems and methods for moulding single objects from plastic material31 Aug 2023US 2023/0271370 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- No solid bed extruder screw19 Aug 2021US 2021/0252764 A1
- Plasticating screw17 Dec 2020US 2020/0391428 A1EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.
Most cited
By later US patents
- Screw extruder with improved dispersive mixing elements38US 6,136,246 ARauwendaal Extrusion Engineering, Inc. · 2000
- Multi-channel extrusion screw with a zig-zag undercut barrier33US 5,035,509 AHPM Corporation · 1991
- Extruder injection apparatus and method31US 4,752,136 ASpirex Corporation · 1988
- Resin moulding screws29US 4,215,978 AUbe Industries, Ltd. · 1980
- Screw extruder with improved dispersive mixing25US 5,932,159 ARauwendaal Extrusion Engineering, Inc. · 1999