B29C 48/402
The screws having intermeshing parts
Official title: {the screws having intermeshing parts}
B29C48/402 (The screws having intermeshing parts) appears on 380 US grants and 385 published applications in this corpus.
Search patents in B29C- Granted patents
- 380
- Published applications
- 385
- Assignees
- 240
- Inventors
- 847
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 3 |
| 2002 | 8 | 11 |
| 2003 | 8 | 12 |
| 2004 | 11 | 9 |
| 2005 | 4 | 14 |
| 2006 | 4 | 6 |
| 2007 | 4 | 10 |
| 2008 | 4 | 10 |
| 2009 | 7 | 12 |
| 2010 | 9 | 14 |
| 2011 | 6 | 23 |
| 2012 | 8 | 24 |
| 2013 | 8 | 16 |
| 2014 | 12 | 20 |
| 2015 | 22 | 25 |
| 2016 | 17 | 31 |
| 2017 | 20 | 40 |
| 2018 | 19 | 23 |
| 2019 | 20 | 14 |
| 2020 | 18 | 15 |
| 2021 | 16 | 14 |
| 2022 | 17 | 8 |
| 2023 | 8 | 9 |
| 2024 | 7 | 7 |
| 2025 | 6 | 10 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter device for PVC plastic melt for connection to a twin screw extruder and twin screw extruder for PVC processing21 Jul 2026US 12,686,158 B2Gneuss GmbH
- Extruder comprising a particular arrangement of asymmetrical screw elements on screw shafts2 Jun 2026US 12,643,276 B2Covestro Deutschland AG
- Intermittent extrusion system and extrusion device19 May 2026US 12,629,877 B2Wuyi University
- Screw machine28 Apr 2026US 12,611,810 B2Shibaura Machine Co., Ltd.
- Production device for melt-blown non-woven fabric24 Feb 2026US 12,559,872 B2National University Corporation Kanazawa University
- Screw elements with improved mixing effect and improved heat transfer, and the use of same24 Sep 2026US 2026/0284952 A1Covestro Deutschland AG
- Extruder16 Jul 2026US 2026/0200159 A1The Japan Steel Works, Ltd.
- Silicone manufacturing9 Jul 2026US 2026/0193416 A1Dow Global Technologies LLC
- Methods for extruding elastomeric compositions16 Apr 2026US 2026/0102959 A1Cabot Corporation
- Device for manufacturing a sheet or panel shaped product and methods for manufacturing a polymeric board or sheet material and/or a decorative panel22 Jan 2026US 2026/0021617 A1Unilin BV
Most cited
By later US patents
- Continuous production of chewing gum using corotating twin screw extruder87US 5,045,325 AWarner-Lambert Company · 1991
- Thermoplastic resin composition, production method thereof, and molded article78US 7,960,473 B2Toray Industries, Inc. · 2011
- Method for producing small-particle preparations of biologically active substances71US 6,318,650 B1BASF SE · 2001
- Method of making panels67US 4,915,764 A1990
- Apparatus and method of extrusion61US 4,663,103 ACollins & Aikman Corporation · 1987