B29C 48/455
Screws arranged to convey material towards each other
Official title: Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions
B29C48/455 (Screws arranged to convey material towards each other) appears on 16 US grants and 15 published applications in this corpus.
Search patents in B29C- Granted patents
- 16
- Published applications
- 15
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 20 Sep 2022
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 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 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
- Extruder with planetary roller section for cooling melts20 Sep 2022US 11,446,617 B2Entex Rust & Mitschke GmbH
- Grain dehydrating compressor for wet grain system and method30 Mar 2021US 10,960,632 B2Nationwide 5, LLC
- Grain dehydrating compressor for wet grain system and method10 Dec 2019US 10,500,805 B2Nationwide 5, LLC
- Grain dehydrating compressor for wet grain system and method18 Jul 2017US 9,707,728 B2Nationwide 5, LLC
- Device for extruding a thermoplastic product having sleeve forming screw section of flow arrester and screw with small screw diameter in relation to plasticizing section6 Nov 2012US 8,303,160 B2EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.
- Methods for extruding elastomeric compositions16 Apr 2026US 2026/0102959 A1Cabot Corporation
- System and method for extruding complex profiles from elastomer mixtures9 Nov 2023US 2023/0356448 A1Compagnie Generale Des Etablissements Michelin
- System and method for extruding complex profiles from elastomer mixtures10 Jun 2021US 2021/0170661 A1Compagnie Generale Des Etablissements Michelin
- Grain dehydrating compressor for wet grain system and method14 May 2020US 2020/0147916 A1Nationwide 5, LLC
- Planetary Roller Extruder with Improved Cooling During the Extrusion of Melts29 Aug 2019US 2019/0263044 A1Entex Rust & Mitschke GmbH
Most cited
By later US patents
- High volume dough piece production apparatus20US 4,685,878 ANabisco Brands, Inc. · 1987
- Apparatus for processing extrudable materials9US 5,409,366 AStork Protecon B.V. · 1995
- Extrusion surge controller and method8US 5,518,672 ARandcastle Extrusion Systems, Inc. · 1996
- Spiral-line press for thermoplastic synthetics7US 4,072,455 A1978
- Twin extruder4US 6,179,459 B2The Japan Steel Works, Ltd. · 2001