B29B 7/485
With three or more shafts provided with screws
Official title: {with three or more shafts provided with screws}
B29B7/485 (With three or more shafts provided with screws) appears on 164 US grants and 177 published applications in this corpus.
Search patents in B29B- Granted patents
- 164
- Published applications
- 177
- Assignees
- 56
- Inventors
- 247
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 6 |
| 2006 | 4 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 3 | 7 |
| 2010 | 4 | 3 |
| 2011 | 3 | 3 |
| 2012 | 3 | 6 |
| 2013 | 5 | 6 |
| 2014 | 2 | 11 |
| 2015 | 6 | 12 |
| 2016 | 6 | 9 |
| 2017 | 8 | 11 |
| 2018 | 8 | 13 |
| 2019 | 8 | 20 |
| 2020 | 17 | 21 |
| 2021 | 12 | 8 |
| 2022 | 10 | 12 |
| 2023 | 9 | 5 |
| 2024 | 9 | 7 |
| 2025 | 8 | 2 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for continuously manufacturing cured membranes21 Jul 2026US 12,686,157 B2Amrize Technology Switzerland LLC
- Methods for manufacturing bulked continuous filament from recycled pet9 Jun 2026US 12,649,261 B2Aladdin Manufacturing Corporation
- Multi-shaft preparation unit for plastic melts12 May 2026US 12,623,375 B2Gneuss GmbH
- Bulked continuous carpet filament manufacturing from polytrimethylene terephthalate7 Apr 2026US 12,595,594 B2Aladdin Manufacturing Corporation
- Method and apparatus for the production of a rubber compound used for the manufacture of an article made from rubber or a pneumatic tire technical sector31 Mar 2026US 12,589,523 B2
- Method and device for producing a stabilizer composition in granulate form and an accordingly produced stabilizer composition28 May 2026US 2026/0145365 A1Akdeniz Chemson Additives AG
- Extruder screw for a multi-screw extruder26 Feb 2026US 2026/0054440 A1Gneuss GmbH
- Extruder system and method for processing washed polymer particles14 Aug 2025US 2025/0256450 A1Gneuss GmbH
- Planetary roller extruder for processing biodegradable materials and method for cleaning the planetary roller extruder16 Jan 2025US 2025/0018631 A1Battenfeld-Cincinnati Germany GmbH
- System comprising a cryogenic container and a single-piece economizer14 Nov 2024US 2024/0377036 A1Cryoshelter BioLNG GmbH
Most cited
By later US patents
- Extruder for plastics74US 6,074,084 AGefinex-Jackson GmbH · 2000
- Multi-shaft thin-layer reactor73US 5,108,711 AHermann Berstorff Maschinenbau GmbH · 1992
- Method and apparatus for the continuous production of high-molecular polymers68US 4,591,487 A1986
- Apparatus for plasticizing and extruding plastic material64US 4,289,409 AHermann Berstorff Maschinenbau GmbH · 1981
- Screw extruder for processing rubber or plastics material61US 4,192,617 AHermann Berstorff Maschinenbau GmbH · 1980