B04B 2001/2033
With feed accelerator inside the conveying screw
Official title: {with feed accelerator inside the conveying screw}
B04B2001/2033 (With feed accelerator inside the conveying screw) appears on 57 US grants and 29 published applications in this corpus.
Search patents in B04B- Granted patents
- 57
- Published applications
- 29
- Assignees
- 34
- Inventors
- 87
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 4 |
| 2004 | 4 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Centrifuges and related methods of use to dewater mature (fluid) fine tailings10 Mar 2026US 12,569,862 B2Sentrimax Centrifuges Inc.
- Decanter centrifuges and associated acceleration pipes and methods17 Jun 2025US 12,330,171 B2Schlumberger Technology Corporation
- Decanter centrifuge nozzle3 Oct 2023US 11,772,104 B2National Oilwell Varco, L. P.
- Feed box for decanter centrifuge18 Oct 2022US 11,471,896 B22460257 Ontario Inc.
- Decanter centrifuge with wear-resistant accelerator inserts3 Apr 2018US 9,931,643 B2Andritz Inc.
- Solid bowl screw centrifuge31 Jul 2025US 2025/0242359 A1GEA Westfalia Separator Group GmbH
- Screw hub, centrifugal screw, and solid bowl screw centrifuge21 Dec 2023US 2023/0405605 A1Flottweg SE
- Centrifugal screw, and solid bowl screw centrifuge14 Dec 2023US 2023/0398556 A1Flottweg SE
- Centrifuges and related methods of use to dewater mature (fluid) fine tailings18 May 2023US 2023/0149950 A1Sentrimax Centrifuges Inc.
- Inlet region of a centrifuge screw, and solid bowl centrifuge22 Dec 2022US 2022/0401965 A1Flottweg SE
Most cited
By later US patents
- Continuous centrifugal separator with tapered internal feed distributor52US 5,971,907 ABP Amoco Corporation · 1999
- Solid bowl decanter centrifuges38US 4,298,160 AThomas Broadbent & Sons Limited · 1981
- Centrifuges38US 4,334,647 ABird Machine Company, Inc. · 1982
- Centrifuge apparatus34US 4,245,777 APennwalt Corporation · 1981
- Centrifuge with partial wear resistant basket33US 6,267,250 B1Baker Hughes Incorporated · 2001