B04B 3/04
Discharging solid particles from the bowl by a conveying screw coaxial with
Official title: discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
B04B3/04 (Discharging solid particles from the bowl by a conveying screw coaxial with) appears on 87 US grants and 59 published applications in this corpus.
Search patents in B04B- Granted patents
- 87
- Published applications
- 59
- Assignees
- 41
- Inventors
- 124
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 4 | 3 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 4 |
| 2015 | 1 | 4 |
| 2016 | 1 | 5 |
| 2017 | 2 | 4 |
| 2018 | 3 | 3 |
| 2019 | 8 | 4 |
| 2020 | 6 | 3 |
| 2021 | 0 | 2 |
| 2022 | 4 | 1 |
| 2023 | 2 | 4 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods for producing a high protein corn meal from a whole stillage byproduct and system therefore14 Mar 2023US 11,603,507 B2Fluid Quip Technologies, LLC
- Wear assembly for a helically formed, metal decanter screw conveyor20 Aug 2026US 2026/0242149 A1Alfa Laval Corporate AB
- Decanter centrifuge with lamellae for improved fines recovery19 Jun 2025US 2025/0196163 A1FLSmidth A/S
- Methods for producing a high protein corn meal from a whole stillage byproduct and system therefore24 Oct 2024US 2024/0352377 A1Fluid Quip Technologies, LLC
- Device and method for continuously separating flowable materials of different density in a suspension21 Dec 2023US 2023/0405607 A1Alfa Laval Corporate AB
- A method of greasing a decanter centrifuge21 Dec 2023US 2023/0405609 A1Alfa Laval Corporate AB
Most cited
By later US patents
- Conical screen basket centrifuge53US 5,378,364 ABaker Hughes Incorporated · 1995
- Methods for producing a high protein corn meal from a whole stillage byproduct53US 8,778,433 B2Fluid-Quip, Inc. · 2014
- Conical screen for a vertical centrifugal separator39US 4,961,722 AGuyan Machinery Co. · 1990
- Centrifuge with partial wear resistant basket33US 6,267,250 B1Baker Hughes Incorporated · 2001
- Centrifuge scroll with abrasion resistant inserts32US 5,380,434 ATema Systems, Inc. · 1995