B30B 9/16
Operating with two or more screws or worms
Official title: operating with two or more screws or worms
B30B9/16 (Operating with two or more screws or worms) appears on 78 US grants and 60 published applications in this corpus.
Search patents in B30B- Granted patents
- 78
- Published applications
- 60
- Assignees
- 51
- Inventors
- 114
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 0 |
| 2008 | 4 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 7 |
| 2016 | 5 | 5 |
| 2017 | 4 | 4 |
| 2018 | 2 | 4 |
| 2019 | 1 | 5 |
| 2020 | 3 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 0 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oil-bearing material extraction device and system22 Sep 2026US 12,741,435 B2Msm Milling Pty Ltd
- Multi-plate or laminated screw press10 Mar 2026US 12,569,787 B2
- Reciprocating lamination spiral solid-liquid separator29 Jul 2025US 12,370,473 B2Dewlink Sludge Treatment Ltd
- Method and device for measuring the filtrate content on a screw press22 Jul 2025US 12,365,159 B2Andritz Inc.
- Juice extractor26 Nov 2024US 12,150,581 B2Qanyan Intelligent Technology(Ningbo)Co.,Ltd
- Operating machine1 Oct 2026US 2026/0295960 A1Babbini S.P.A.
- Twin screw press for palm oils and similar19 Sep 2024US 2024/0308167 A1C.I. Tequendama S.A.S.
- Method and Device for Measuring the Filtrate Content On a Screw Press18 Jul 2024US 2024/0239073 A1Andritz Inc.
- Improved Oil-Bearing Material Extraction Device And System8 Feb 2024US 2024/0042718 A1Msm Milling Pty Ltd
- Separation device8 Jun 2023US 2023/0173778 A1Metawater Co., Ltd.
Most cited
By later US patents
- Process for making a product serving as a cultivation support90US 5,087,400 AWogegal S.A. · 1992
- Method and apparatus for grinding chips into paper pulp73US 4,088,528 A1978
- Method for the manufacture of a paper pulp for currency use47US 4,983,256 ABanque de Frane · 1991
- Juice extractor43US 5,381,730 A1995
- Juice extractor39US 5,156,872 A1992