B29C 48/6945
Surrounding a rotating screw
Official title: {surrounding a rotating screw}
B29C48/6945 (Surrounding a rotating screw) appears on 12 US grants and 5 published applications in this corpus.
Search patents in B29C- Granted patents
- 12
- Published applications
- 5
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Plasticizing unit for a molding machine26 Aug 2025US 12,397,490 B2Engel Austria GmbH
- Side feeder having separate pressure regions for degassing14 Feb 2023US 11,577,441 B2Extricom Extrusion GmbH
- Machine having an improved draining grid for compacting humid waste3 Jan 2012US 8,087,353 B2WAM S.p.A.
- 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.
- Apparatus for removing debris from thermoplastic materials19 Aug 2003US 6,607,299 B1
- Plasticizing unit for a molding machine14 Mar 2024US 2024/0083088 A1Engel Austria GmbH
- Side feeder having separate pressure regions for degassing5 Nov 2020US 2020/0346385 A1Extricom Extrusion GmbH
- Screw-type fine powder raw material feeding device and method1 Jan 2015US 2015/0001045 A1The Japan Steel Works, Ltd.
- Machine having an improved draining grid for compacting humid waste1 Apr 2010US 2010/0077931 A1WAM S.p.A.
- Method and device for homogenizing and filtering a viscoelastic material using coaxial telescoping screws20 Mar 2008US 2008/0068919 A1Michelin Recherche et Technique S. A.
Most cited
By later US patents
- Apparatus for filtering and extruding synthetic plastic scrap material26US 5,419,634 A1995
- Polymer filteration apparatus and method of use24US 6,270,703 B1Dynisco Extrusion, Inc. · 2001
- Method and apparatus for cleaning thermoplastic materials21US 4,177,234 AMetals & Plastics, Inc. · 1979
- Apparatus for removing debris from thermoplastic materials21US 6,607,299 B12003
- Mechanism for separating materials of varying consistency13US 4,470,904 A1984