B29B 7/426
With consecutive casings or screws
Official title: {with consecutive casings or screws, e.g. for charging, discharging, mixing}
B29B7/426 (With consecutive casings or screws) appears on 114 US grants and 134 published applications in this corpus.
Search patents in B29B- Granted patents
- 114
- Published applications
- 134
- Assignees
- 75
- Inventors
- 239
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 3 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 6 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 5 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 10 |
| 2016 | 3 | 5 |
| 2017 | 2 | 14 |
| 2018 | 9 | 9 |
| 2019 | 2 | 8 |
| 2020 | 4 | 5 |
| 2021 | 8 | 11 |
| 2022 | 9 | 16 |
| 2023 | 8 | 8 |
| 2024 | 8 | 5 |
| 2025 | 6 | 9 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for regenerating used resin16 Jun 2026US 12,654,360 B2Toyoda Gosei Co., Ltd.
- Compounding extruder for producing polypropylene composition19 May 2026US 12,629,876 B2Sabic Global Technologies B.V.
- Device and method for recycling post-consumer plastic waste shredded to flakes and washed5 May 2026US 12,616,767 B2Starlinger & Co Gesellschaft M.B.H.
- 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.
- Method for producing carbon fiber composite material20 Nov 2025US 2025/0353225 A1Shibaura Machine Co., Ltd.
- Process for preparing a polyolefin composition18 Sep 2025US 2025/0289946 A1Basell Poliolefine Italia S.r.l.
- Extruder system and method for processing washed polymer particles14 Aug 2025US 2025/0256450 A1Gneuss GmbH
- Method and device for producing recycled elastomer material to be crosslinked5 Jun 2025US 2025/0178240 A1Rubbergreen Industrie
- Mixing and kneading machine5 Jun 2025US 2025/0178263 A1Buss AG
Most cited
By later US patents
- Process for the processing of a thermoplastic polycondensation polymer77US 5,102,594 AStamicarbon B. V. · 1992
- Extruder for plastics74US 6,074,084 AGefinex-Jackson GmbH · 2000
- Screw extruder for processing rubber or plastics material61US 4,192,617 AHermann Berstorff Maschinenbau GmbH · 1980
- Planetary extruder for thermoplastics material61US 4,268,176 AHermann Berstorff Maschinenbau GmbH · 1981
- Extruder apparatus and process for compounding thermoplastic resin and fibres61US 5,165,941 AComposite Products, Inc. · 1992