B30B 9/12
Using pressing worms or screws co-operating with a permeable casing
Official title: using pressing worms or screws co-operating with a permeable casing
B30B9/12 (Using pressing worms or screws co-operating with a permeable casing) appears on 417 US grants and 281 published applications in this corpus.
Search patents in B30B- Granted patents
- 417
- Published applications
- 281
- Assignees
- 237
- Inventors
- 621
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 3 |
| 2002 | 1 | 7 |
| 2003 | 9 | 7 |
| 2004 | 5 | 8 |
| 2005 | 2 | 7 |
| 2006 | 6 | 8 |
| 2007 | 3 | 2 |
| 2008 | 8 | 6 |
| 2009 | 1 | 10 |
| 2010 | 1 | 9 |
| 2011 | 7 | 13 |
| 2012 | 10 | 3 |
| 2013 | 4 | 16 |
| 2014 | 15 | 13 |
| 2015 | 10 | 23 |
| 2016 | 13 | 14 |
| 2017 | 19 | 23 |
| 2018 | 10 | 10 |
| 2019 | 11 | 11 |
| 2020 | 19 | 17 |
| 2021 | 13 | 24 |
| 2022 | 6 | 5 |
| 2023 | 11 | 22 |
| 2024 | 13 | 14 |
| 2025 | 12 | 2 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B30B 9/121Screw constructions137
- B30B 9/18With means for adjusting the outlet for the solid97
- B30B 9/16Operating with two or more screws or worms78
- B30B 9/125Control arrangements60
- B30B 9/128Vertical or inclined screw presses54
- B30B 9/127Feed means46
- B30B 9/14Operating with only one screw or worm30
- B30B 9/122Means preventing the material from turning with the screw or returning towards24
All 9 subgroupsShow fewer
Recent patents
- Oil-bearing material extraction device and system22 Sep 2026US 12,741,435 B2Msm Milling Pty Ltd
- Process and device for obtaining oil from seeds21 Jul 2026US 12,686,834 B2Harburg-Freudenberger Maschinenbau GmbH
- System and method for separation of organics and liquids from waste material19 May 2026US 12,629,735 B2Komar Industries, Inc.
- Multi-plate or laminated screw press10 Mar 2026US 12,569,787 B2
- Method for compression of aqueous slurry containing solid foreign matter and paper dust, and treatment method of waste gypsum board24 Feb 2026US 12,559,380 B2Tokuyama Corporation
- Operating machine1 Oct 2026US 2026/0295960 A1Babbini S.P.A.
- System and method for separation of organics and liquids from waste material17 Sep 2026US 2026/0273598 A1Komar Industries, Inc.
- A system for viscous slurry separation and a process thereof20 Aug 2026US 2026/0241657 A1
- Separator device for dewatering wet matter4 Jun 2026US 2026/0151977 A1Vogelsang GmbH & Co. KG
- Juicer and Juice Extraction Screw Thereof16 Jan 2025US 2025/0017407 A1Islow Electric (Shenzhen) Co., Ltd.
Most cited
By later US patents
- Apparatus and method for the continuous extrusion and partial deliquefaction of oleaginous materials104US 4,901,635 AAnderson International Corp · 1990
- Process for making a product serving as a cultivation support90US 5,087,400 AWogegal S.A. · 1992
- Wet process recovery system for solid waste85US 5,104,047 A1992
- Method for treating oil-bearing material77US 5,685,218 AThe French Oil Mill Machinery Company · 1997
- Apparatus and method for the extraction of vegetable oils74US 5,680,812 A1997