B01D 33/465
Take-off rollers
Official title: {take-off rollers}
B01D33/465 (Take-off rollers) appears on 24 US grants and 5 published applications in this corpus.
Search patents in B01D- Granted patents
- 24
- Published applications
- 5
- Assignees
- 12
- Inventors
- 35
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Solid-liquid separation mechanism and solid-liquid separation method for grain fermentation17 Jun 2025US 12,330,097 B1Harbin University Of Commerce
- Backwash suction device of fibrous filter15 Aug 2023US 11,724,218 B2GRENEX Limited
- Two-layer drum cover made of a metal alloy in the warp directions and a plurality of metal alloys in the shute directions on both front and back surfaces15 Jan 2008US 7,318,796 B2Albany International Corp.
- Device for continuous filtration of material blends24 Oct 2006US 7,124,895 B2Ettlinger Kunststoffmaschinen GmbH
- Drilling fluid treatment1 Feb 2005US 6,848,583 B2Varco I/P, Inc.
- Backwash suction device of fibrous filter2 Feb 2023US 2023/0032256 A1GRENEX Limited
- Multi-stage sacrificial anode metal designs for high corrosion environments24 Nov 2005US 2005/0260364 A1Albany International Corp.
- Device for continuous filtration of material blends28 Jul 2005US 2005/0161391 A1Ettlinger Kunststoffmaschinen GmbH
- Apparatus for the separation and removal of liquid borne solid waste27 Jan 2005US 2005/0016908 A1Hans Huber AG Maschinen-und Anlagenbau
- Drilling fluid treatment27 May 2004US 2004/0099582 A1Varco I/P, Inc.
Most cited
By later US patents
- Flow divider box for conducting drilling mud to selected drilling mud separation units33US 6,223,906 B12001
- Bypass diverter box for drilling mud separation unit26US 6,024,228 ATuboscope Nu-Tec/GNT · 2000
- Drilling fluid treatment21US 6,848,583 B2Varco I/P, Inc. · 2005
- Drilling mud separation system with removable continuous-belt separation unit17US 5,863,430 A1999
- Process and apparatus for continuous cake filteration under pressure15US 4,279,760 A1981