B29C 48/65
Neighbouring threads or channels having different configurations
Official title: neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
B29C48/65 (Neighbouring threads or channels having different configurations) appears on 100 US grants and 62 published applications in this corpus.
Search patents in B29C- Granted patents
- 100
- Published applications
- 62
- Assignees
- 62
- Inventors
- 168
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 3 |
| 2004 | 4 | 6 |
| 2005 | 3 | 3 |
| 2006 | 6 | 3 |
| 2007 | 3 | 0 |
| 2008 | 0 | 1 |
| 2009 | 3 | 3 |
| 2010 | 2 | 5 |
| 2011 | 1 | 7 |
| 2012 | 2 | 5 |
| 2013 | 1 | 2 |
| 2014 | 4 | 5 |
| 2015 | 5 | 2 |
| 2016 | 3 | 0 |
| 2017 | 5 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 4 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extruder comprising a particular arrangement of asymmetrical screw elements on screw shafts2 Jun 2026US 12,643,276 B2Covestro Deutschland AG
- No solid bed extruder screw with varying width sub-channels28 Oct 2025US 12,454,089 B2
- Plasticizing unit20 May 2025US 12,304,125 B2KraussMaffei Technologies GmbH
- Plasticating screw15 Aug 2023US 11,724,430 B2EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.
- Counter-rotating differential speed extrusion device, extruder and method for manufacturing materials1 Nov 2022US 11,485,063 B2Wuyi University
- Screw elements with improved mixing and degassing effect with reduced energy input31 Jul 2025US 2025/0242533 A1Covestro Deutschland AG
- Extruder comprising a particular arrangement of asymmetrical screw elements on screw shafts7 Dec 2023US 2023/0390986 A1Covestro Deutschland AG
- No solid bed extruder screw with varying width sub-channels23 Nov 2023US 2023/0373150 A1
- Plasticizing unit28 Sep 2023US 2023/0302699 A1KraussMaffei Technologies GmbH
- Method for manufacturing an lft extrusion member6 Jul 2023US 2023/0211537 A1Nan Ya Plastics Corporation
Most cited
By later US patents
- Degassing of flowable masses in a multiple-screw extruder47US 7,654,725 B2Buhler AG · 2010
- Extrusion apparatus and method45US 4,173,417 AHPM Corporation · 1979
- Apparatus for working rubber compounds43US 4,227,870 AThe B. F. Goodrich Company · 1980
- Extruder with short cycle multichannel wave screw40US 4,277,182 AHPM Corporation · 1981
- Extruder screw38US 4,128,341 AIngersoll-Rand Company · 1978