B29C 48/385
Using two or more serially arranged screws in separate barrels
Official title: using two or more serially arranged screws in separate barrels
B29C48/385 (Using two or more serially arranged screws in separate barrels) appears on 275 US grants and 339 published applications in this corpus.
Search patents in B29C- Granted patents
- 275
- Published applications
- 339
- Assignees
- 198
- Inventors
- 733
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 10 | 15 |
| 2003 | 5 | 5 |
| 2004 | 6 | 5 |
| 2005 | 4 | 9 |
| 2006 | 5 | 7 |
| 2007 | 3 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 14 |
| 2010 | 2 | 8 |
| 2011 | 3 | 7 |
| 2012 | 9 | 19 |
| 2013 | 4 | 25 |
| 2014 | 9 | 17 |
| 2015 | 15 | 23 |
| 2016 | 14 | 14 |
| 2017 | 16 | 25 |
| 2018 | 13 | 21 |
| 2019 | 16 | 21 |
| 2020 | 11 | 19 |
| 2021 | 16 | 14 |
| 2022 | 15 | 23 |
| 2023 | 12 | 15 |
| 2024 | 15 | 16 |
| 2025 | 14 | 7 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for manufacturing bulked continuous filament from recycled pet9 Jun 2026US 12,649,261 B2Aladdin Manufacturing Corporation
- Compounding extruder for producing polypropylene composition19 May 2026US 12,629,876 B2Sabic Global Technologies B.V.
- Method and device for processing polycondensates28 Apr 2026US 12,611,799 B2Sml Maschinengesellschaft M. B. H.
- Process for producing a polypropylene composition, and polypropylene composition so produced21 Apr 2026US 12,605,864 B2Sabic Global Technologies B.V.
- Process for removal of contaminants from contaminated thermoplastic17 Mar 2026US 12,577,363 B2Dow Global Technologies LLC
- Apparatus for degassing molten plastic material21 May 2026US 2026/0138321 A1Gamma Meccanica S.P.A.
- Method and apparatus for making objects with a composite material comprising a natural material19 Mar 2026US 2026/0077538 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Biaxial continuous kneading extrusion device19 Feb 2026US 2026/0048368 A1CTE Co., Ltd.
- Method of making a rubber composition with improved processability15 Jan 2026US 2026/0015492 A1Compagnie Generale Des Etablissements Michelin
- Resin processing apparatus, method of manufacturing resin pellets, and method of processing resin material11 Dec 2025US 2025/0375932 A1The Japan Steel Works, Ltd.
Most cited
By later US patents
- Process for the processing of a thermoplastic polycondensation polymer77US 5,102,594 AStamicarbon B. V. · 1992
- Oil absorbent wipe with rapid visual indication68US 6,773,718 B23M Innovative Properties Company · 2004
- Method of making panels67US 4,915,764 A1990
- Extruder apparatus and process for compounding thermoplastic resin and fibres61US 5,165,941 AComposite Products, Inc. · 1992
- Systems and methods for manufacturing bulked continuous filament58US 8,597,553 B1Mohawk Industries, Inc. · 2013