B04B 2001/2041
With baffles, plates, vanes or discs attached to the conveying screw
Official title: {with baffles, plates, vanes or discs attached to the conveying screw}
B04B2001/2041 (With baffles, plates, vanes or discs attached to the conveying screw) appears on 80 US grants and 38 published applications in this corpus.
Search patents in B04B- Granted patents
- 80
- Published applications
- 38
- Assignees
- 40
- Inventors
- 101
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 4 |
| 2004 | 5 | 2 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 4 |
| 2016 | 3 | 0 |
| 2017 | 2 | 6 |
| 2018 | 1 | 3 |
| 2019 | 3 | 0 |
| 2020 | 0 | 4 |
| 2021 | 1 | 0 |
| 2022 | 5 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transverse disc of a centrifuge screw, and solid-bowl screw centrifuge22 Sep 2026US 12,741,289 B2Flottweg SE
- Centrifuges and related methods of use to dewater mature (fluid) fine tailings10 Mar 2026US 12,569,862 B2Sentrimax Centrifuges Inc.
- Solid bowl screw centrifuge with mixing blades or paddles arranged on the screw shaft6 May 2025US 12,290,824 B2GEA Mechanical Equipment GmbH
- Outlet device of a solid-bowl screw centrifuge with a diverting channel30 May 2023US 11,660,609 B2Flottweg SE
- Solid-bowl centrifuge screw4 Oct 2022US 11,458,483 B2Flottweg SE
- Solid bowl centrifuge and method for regulating the separation process of the solid bowl centrifuge27 Mar 2025US 2025/0099982 A1GEA Westfalia Separator Group GmbH
- Screw Conveyor Having Auxiliary Blades And Screw Discharge Decanter Centrifuge7 Mar 2024US 2024/0075483 A1Juneng Machinery (China) CO., LTD
- Centrifugal screw, and solid bowl screw centrifuge21 Dec 2023US 2023/0405606 A1Flottweg SE
- Centrifuges and related methods of use to dewater mature (fluid) fine tailings18 May 2023US 2023/0149950 A1Sentrimax Centrifuges Inc.
- Transverse disc of a centrifuge screw, and solid-bowl screw centrifuge29 Dec 2022US 2022/0410176 A1Flottweg SE
Most cited
By later US patents
- Method and apparatus for controlling and monitoring continuous feed centrifuge98US 5,948,271 ABaker Hughes Incorporated · 1999
- Method and apparatus for controlling and monitoring continuous feed centrifuge62US 6,143,183 ABaker Hughes Incorporated · 2000
- Centrifuge apparatus53US 3,934,792 APennwalt Corporation · 1976
- Three stage centrifuge and method for separating water and solids from petroleum products53US 5,156,751 A1992
- Centrifuge for separating solids/liquids mixtures49US 4,339,072 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1982