B01D 21/0063
With cross-flow flow direction of liquid and solid particles
Official title: {with cross-flow flow direction of liquid and solid particles}
B01D21/0063 (With cross-flow flow direction of liquid and solid particles) appears on 39 US grants and 13 published applications in this corpus.
Search patents in B01D- Granted patents
- 39
- Published applications
- 13
- Assignees
- 22
- Inventors
- 56
- Latest grant
- 30 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Waste water treatment plant30 Nov 2021US 11,186,504 B2Waterleau Group NV
- Tray unit for a wastewater treatment device and a method of assembling a tray assembly for a wastewater treatment device8 Jun 2021US 11,027,226 B2Hydro International plc
- Liquid refinement10 Oct 2017US 9,782,697 B2Recovered Energy, Inc.
- Liquid refinement10 Oct 2017US 9,782,698 B2Recovered Energy, Inc.
- Liquid refinement10 Oct 2017US 9,782,699 B2Recovered Energy, Inc.
- A Tray Unit for a Wastewater Treatment Device and a Method of Assembling a Tray Assembly for a Wastewater Treatment Device26 Nov 2020US 2020/0368643 A1Hydro International plc
- Waste water treatment plant26 Mar 2020US 2020/0095145 A1Waterleau Group NV
- Liquid refinement1 Sep 2016US 2016/0250567 A1Recovered Energy, Inc.
- Liquid refinement1 Sep 2016US 2016/0250568 A1Recovered Energy, Inc.
- Liquid refinement1 Sep 2016US 2016/0250569 A1Recovered Energy, Inc.
Most cited
By later US patents
- Gravitational separator having membrane baffles therein40US 4,194,976 A1980
- Offshore pollution prevention37US 4,428,841 AEngineering Specialties, Inc. · 1984
- Apparatus and methods for recovering abrasive from an abrasive-laden fluid34US 6,328,638 B1Flow International Corporation · 2001
- Apparatus for biological treatment of effluent25US 5,500,112 A1996
- Clarifier apparatus and methods with 3D arrays22US 5,116,443 AEnvirotech Corporation · 1992