B01D 24/36
Filters comprising loose filtering material, i.e. filtering material without any binder between
Official title: with the filter bed fluidised during the filtration (with the filter bed being stationary B01D24/02)
B01D24/36 (Filters comprising loose filtering material, i.e. filtering material without any binder between) appears on 29 US grants and 26 published applications in this corpus.
Search patents in B01D- Granted patents
- 29
- Published applications
- 26
- Assignees
- 27
- Inventors
- 83
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 3 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 3 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid treatment facility which operates under pressure and implements a fluidised bed of adsorbent media particles18 Aug 2026US 12,709,554 B2Veolia Water Solutions & Technologies Support
- Water restoration system15 Oct 2024US 12,116,291 B1Kimball Water & Energy LLC
- Physicochemical water treatment process using microfiber filter coated with coagulant28 Mar 2023US 11,613,476 B1ROPEN Co., Ltd.
- Nutrient removal filtration system and method22 Feb 2022US 11,253,798 B2Oldcastle Infrastructure, Inc.
- Washbox7 Jul 2020US 10,702,805 B2Nexom (US), Inc.
- Fluid Treatment Facility Which Operates Under Pressure and Implements a Fluidised Bed of Adsorbent Media Particles21 Nov 2024US 2024/0383778 A1Veolia Water Solutions & Technologies Support
- Fluidized bed sorter9 May 2024US 2024/0149190 A1Rory Korathu-Larson, LLC
- Nutrient Removal Filtration System and Method5 May 2022US 2022/0134258 A1Oldcastle Infrastructure, Inc.
- Novel ion exchange materials20 May 2021US 2021/0148024 A1Fortum Power and Heat Oy
- Filter apparatus and method26 Nov 2020US 2020/0369533 A1Evolution Aqua Limited
Most cited
By later US patents
- Method for the filtration of a suspension or emulsion52US 4,126,546 ARederiaktiebolaget Nordstjernan · 1978
- Filter module with improved backwash capability32US 6,428,690 B12002
- Method of filtration using convertible (semifluidized) beds28US 4,157,959 AKansas State University Research Foundation · 1979
- Procedure for purifying effluent waters, particularly those produced in wood-processing industry14US 4,461,708 AEnso-Gutzeit Oy · 1984
- Fluidized bed filter for an aquarium14US 6,143,187 A2000