B30B 9/166
The screws being coaxially disposed in the same chamber
Official title: {the screws being coaxially disposed in the same chamber}
B30B9/166 (The screws being coaxially disposed in the same chamber) appears on 12 US grants and 13 published applications in this corpus.
Search patents in B30B- Granted patents
- 12
- Published applications
- 13
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 3 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-plate or laminated screw press10 Mar 2026US 12,569,787 B2
- Screw type separation device and wastewater treatment system23 May 2023US 11,655,175 B2Metawater Co., Ltd.
- Meat dewatering assembly21 Apr 2020US 10,624,369 B2Wenger Manufacturing, Inc.
- Meat dewatering assembly11 Feb 2020US 10,555,547 B2Wenger Manufacturing, Inc.
- Screw press26 Jun 2018US 10,005,252 B2Andritz Inc.
- Separation device8 Jun 2023US 2023/0173778 A1Metawater Co., Ltd.
- Laminated spiral dewatering equipment having detachable driving device2 Mar 2023US 2023/0065734 A1
- Screw type separation device and wastewater treatment system25 Mar 2021US 2021/0087095 A1Metawater Co., Ltd.
- Meat dewatering assembly5 Dec 2019US 2019/0364929 A1Wenger Manufacturing, Inc.
- Meat dewatering assembly16 Aug 2018US 2018/0228183 A1Wenger Manufacturing, Inc.
Most cited
By later US patents
- Screw press apparatus35US 4,117,776 AThe French Oil Mill Machinery Company · 1978
- Method of continuous centrifugal removal of residual liquid waste from recyclable container material27US 5,160,441 A1992
- Screw type dewatering machine15US 5,516,427 AHitachi Zosen Corporation · 1996
- Screw type dewatering machine13US 5,489,383 AHitachi Zosen Corporation · 1996
- Apparatus for the dewatering of sludge11US 4,202,773 AKrauss-Maffei Aktiengesellschaft · 1980