B04B 2001/2058
With ribbon-type screw conveyor
Official title: {with ribbon-type screw conveyor}
B04B2001/2058 (With ribbon-type screw conveyor) appears on 18 US grants and 17 published applications in this corpus.
Search patents in B04B- Granted patents
- 18
- Published applications
- 17
- Assignees
- 13
- Inventors
- 37
- 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 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 4 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 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
- System and method for extracting liquid and solid hydrocarbons and their derivatives1 Aug 2023US 11,713,420 B2
- Method and system for separation of suspensions2 Feb 2021US 10,906,820 B2650438 Alberta Ltd.
- Screw of a solid bowl screw centrifuge10 Mar 2020US 10,583,443 B2Flottweg SE
- Method and system for separation of suspensions5 Nov 2019US 10,464,828 B2650438 Alberta Ltd.
- Decanter centrifuge with lamellae for improved fines recovery19 Jun 2025US 2025/0196163 A1FLSmidth A/S
- Screw hub, centrifugal screw, and solid bowl screw centrifuge21 Dec 2023US 2023/0405605 A1Flottweg SE
- Centrifugal screw, and solid bowl screw centrifuge21 Dec 2023US 2023/0405606 A1Flottweg SE
- Centrifugal screw, and solid bowl screw centrifuge14 Dec 2023US 2023/0398556 A1Flottweg SE
- Screw hub, centrifuge screw and solid bowl screw centrifuge5 Jan 2023US 2023/0001429 A1Flottweg SE
Most cited
By later US patents
- Centrifuge with open conveyor and methods of use27US 6,605,029 B1Tuboscope I/P, Inc. · 2003
- Centrifuge with impellers and beach feed25US 7,018,326 B2Varco I/P, Inc. · 2006
- Centrifuge with feed tube adapter23US 6,790,169 B2Varco I/P, Inc. · 2004
- Centrifuge with open conveyor having an accelerating impeller and flow enhancer22US 6,780,147 B2Varco I/P, Inc. · 2004
- Centrifugal scraper and separator apparatus20US 3,990,631 A1976