B29C 48/445
Coaxially arranged screws, i.e. one within the other
B29C48/445 (Coaxially arranged screws, i.e. one within the other) appears on 19 US grants and 10 published applications in this corpus.
Search patents in B29C- Granted patents
- 19
- Published applications
- 10
- Assignees
- 18
- Inventors
- 42
- Latest grant
- 4 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Twin-screw extruder, gear box and method for extrusion4 Apr 2023US 11,618,199 B2The Japan Steel Works, Ltd.
- Material deposition systems with four or more axes18 Sep 2018US 10,076,880 B2Autodesk, Inc.
- Material deposition systems with four or more axes3 Jan 2017US 9,533,449 B2Autodesk, Inc.
- Method and device for homogenizing and filtering a viscoelastic material using coaxial telescoping screws28 Dec 2010US 7,857,499 B2Michelin Recherche et Technique S. A.
- Extruder mixing13 Sep 2005US 6,942,376 B2Industrial Thermo Polymers Limited
- Twin-screw extruder, gear box and method for extrusion24 Dec 2020US 2020/0398474 A1The Japan Steel Works, Ltd.
- Extruder for Feed- and Foodstuffs26 Jul 2018US 2018/0206524 A1Source Technology Aps
- Material deposition systems with four or more axes20 Apr 2017US 2017/0106601 A1Autodesk, Inc.
- Material deposition systems with four or more axes24 Dec 2015US 2015/0367375 A1Autodesk, Inc.
- Multi-shaft extruder18 Mar 2010US 2010/0067320 A1
Most cited
By later US patents
- Method and molding screw for injection molding37US 4,802,140 AEastman Kodak Company · 1989
- Two-channel extruder with mixer33US 3,999,921 AHenkel & Cie G.m.b.H. · 1976
- Striped soap, its production and apparatus for its production23US 4,094,946 AHenkel Kommanditgesellschaft auf Aktien · 1978
- Extruder with mixing chambers22US 4,164,385 AHenkel Kommanditgesellschaft auf Aktien · 1979
- Apparatus for continuously processing rubber, elastomers, plastics and like materials which can be vulcanized or cross-linked18US 4,365,946 AHermann Berstorff Maschinenbau GmbH · 1982