B30B 11/243
Using two or more screws working in the same chamber
Official title: {using two or more screws working in the same chamber}
B30B11/243 (Using two or more screws working in the same chamber) appears on 36 US grants and 26 published applications in this corpus.
Search patents in B30B- Granted patents
- 36
- Published applications
- 26
- Assignees
- 20
- Inventors
- 70
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Nozzle for extruding a material rich in protein and water, as well as an extrusion machine comprising such a nozzle3 Mar 2026US 12,564,993 B2Clextral
- Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body3 Sep 2024US 12,076,903 B2Corning Incorporated
- Powder supplier22 Nov 2022US 11,504,931 B2Panasonic Intellectual Property Management Co., Ltd.
- Barrel block for twin-screw extruder and twin-screw extruder21 Sep 2021US 11,123,897 B2Toshiba Kikai Kabushiki Kaisha
- Nozzle for extruding a material rich in protein and water, as well as an extrusion machine comprising such a nozzle11 Jan 2024US 2024/0009909 A1Clextral
- Screw and twin-screw assembly for use in elastomer mixture extruders and associated method for extrusion of elastomer mixtures21 Dec 2023US 2023/0405908 A1Pomini Rubber & Plastics S.r.l.
- Powder supplier19 Nov 2020US 2020/0361168 A1Panasonic Intellectual Property Management Co., Ltd.
- Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body3 Sep 2020US 2020/0276745 A1Corning Incorporated
- Barrel block for twin-screw extruder and twin-screw extruder4 Jul 2019US 2019/0202086 A1Toshiba Kikai Kabushiki Kaisha
Most cited
By later US patents
- Twin-screw extruder having respective conical nose screw sections80US 4,875,847 AWenger Manufacturing, Inc. · 1989
- Method and apparatus for grinding chips into paper pulp73US 4,088,528 A1978
- Method and apparatus for producing fully cooked extrudates with significantly reduced specific mechanical energy inputs44US 7,521,076 B1Wenger Manufacturing, Inc. · 2009
- Method for pumping, homogenizing and dividing dough and the like31US 4,960,601 AAMF Machinery Systems, Inc. · 1990
- Method of forming a semi-moist jerky or leathery pet foods or treats31US 5,773,070 AMJM Technologies, L.L.P. · 1998