B29C 48/395
Using screws surrounded by a cooperating barrel
Official title: using screws surrounded by a cooperating barrel, e.g. single screw extruders
B29C48/395 (Using screws surrounded by a cooperating barrel) appears on 2,085 US grants and 2,207 published applications in this corpus.
Search patents in B29C- Granted patents
- 2,085
- Published applications
- 2,207
- Assignees
- 1,177
- Inventors
- 5,246
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 18 | 0 |
| 1978 | 25 | 0 |
| 1979 | 20 | 0 |
| 1980 | 16 | 0 |
| 1981 | 20 | 0 |
| 1982 | 15 | 0 |
| 1983 | 9 | 0 |
| 1984 | 13 | 0 |
| 1985 | 13 | 0 |
| 1986 | 15 | 0 |
| 1987 | 21 | 0 |
| 1988 | 20 | 0 |
| 1989 | 24 | 0 |
| 1990 | 26 | 0 |
| 1991 | 25 | 0 |
| 1992 | 31 | 0 |
| 1993 | 39 | 0 |
| 1994 | 41 | 0 |
| 1995 | 33 | 0 |
| 1996 | 34 | 0 |
| 1997 | 31 | 0 |
| 1998 | 50 | 0 |
| 1999 | 46 | 0 |
| 2000 | 43 | 0 |
| 2001 | 56 | 9 |
| 2002 | 38 | 54 |
| 2003 | 39 | 46 |
| 2004 | 46 | 65 |
| 2005 | 24 | 66 |
| 2006 | 28 | 52 |
| 2007 | 25 | 55 |
| 2008 | 29 | 72 |
| 2009 | 31 | 85 |
| 2010 | 36 | 96 |
| 2011 | 37 | 98 |
| 2012 | 58 | 101 |
| 2013 | 52 | 113 |
| 2014 | 81 | 130 |
| 2015 | 89 | 116 |
| 2016 | 79 | 82 |
| 2017 | 75 | 101 |
| 2018 | 62 | 83 |
| 2019 | 63 | 91 |
| 2020 | 67 | 113 |
| 2021 | 61 | 91 |
| 2022 | 92 | 123 |
| 2023 | 65 | 118 |
| 2024 | 66 | 106 |
| 2025 | 91 | 83 |
| 2026 | 50 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Material based on polytetrafluoroethylene and process for preparing the same1 Sep 2026US 12,722,336 B2Shandong University
- Screw and twin-screw assembly for use in elastomer mixture extruders and associated method for extrusion of elastomer mixtures11 Aug 2026US 12,703,137 B2Pomini Rubber & Plastics S.r.l.
- Matting polymer composition having excellent weather resistance and impact resistance, and matte sheet including the same11 Aug 2026US 12,703,766 B2Hannanotech Co., Ltd.
- Foamed particles of aromatic polyester resin, production method therefor, molded foam, and member for vehicle11 Aug 2026US 12,703,776 B2Sekisui Kasei Co., Ltd.
- Method for the devulcanisation of a vulcanisaed rubber mixture, device for carrying out the method, as well as a rubber mixture and vehicle pneumatic tyre, comprising a component made of the rubber mixture28 Jul 2026US 12,691,624 B2Continental Reifen Deutschland GmbH
- Extrudable fiber composite material and its use and production8 Oct 2026US 2026/0307319 A1
- Extruded fluorescent films24 Sep 2026US 2026/0284951 A1UbiQD, Inc.
- Screw elements with improved mixing effect and improved heat transfer, and the use of same24 Sep 2026US 2026/0284952 A1Covestro Deutschland AG
- Extruder24 Sep 2026US 2026/0284953 A1Nouryon Chemicals International B. V.
- Extruder10 Sep 2026US 2026/0264306 A1The Japan Steel Works, Ltd.
Most cited
By later US patents
- Extruded synthetic wood composition and method for making same236US 5,516,472 AStrandex Corporation · 1996
- Embedding and encapsulation of controlled release particles188US 6,190,591 B1General Mills, Inc. · 2001
- Shaped part for use as a construction material169US 6,022,615 A2000
- Process for making molded or extruded objects from waste containing plastic materials151US 4,968,463 AOTVD (Omnium de Traitements et de Valorisation des dechets) · 1990
- Fiber reinforced thermoplastic resin structure, process for production of same, and extruder for production of same148US 5,679,456 AToray Industries, Inc. · 1997