B01D 33/215
The filtering discs being fixed inwardly on a rotating construction
Official title: {the filtering discs being fixed inwardly on a rotating construction}
B01D33/215 (The filtering discs being fixed inwardly on a rotating construction) appears on 24 US grants and 11 published applications in this corpus.
Search patents in B01D- Granted patents
- 24
- Published applications
- 11
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and processes employing wet/dry suction filter17 Sep 2024US 12,090,428 B2Greatpyr Resources LLC
- Filtering apparatus and method26 Mar 2024US 11,938,426 B2O.M.It S.R.L.
- Systems and processes employing wet/dry suction filter20 Dec 2022US 11,529,573 B2Greatpyr Resources LLC
- Rotary disc filter and module for constructing same29 Jan 2019US 10,188,971 B2Veolia Water Solutions & Technologies Support
- Device including a compact spray nozzle for cleaning a filter cloth in a disc filter10 Apr 2018US 9,938,159 B2Veolia Water Solutions & Technologies Support
- Systems and processes employing wet/dry suction filter8 Jun 2023US 2023/0173417 A1Greatpyr Resources LLC
- Filtering apparatus and method30 Dec 2021US 2021/0402334 A1O.M.It S.R.L.
- Systems and processes employing wet/dry suction filter24 Jun 2021US 2021/0187420 A1Greatpyr Resources LLC
- Rotary disc filter and module for constructing same9 Jul 2015US 2015/0190740 A1Veolia Water Solutions & Technologies Support
- Rotary disc filter apparatus and related methods13 Mar 2014US 2014/0069876 A1
Most cited
By later US patents
- Rotary separator apparatus and method56US 6,227,379 B1NTH, Inc. · 2001
- Rotary separator apparatus37US 5,853,585 ANTH, Inc. · 1998
- Rotary disc filter and module for constructing same34US 7,597,805 B2Hydrotech Veolia Water Systems Aktiebolag · 2009
- Extracting soluble substances from subdivided solids with a water-base liquid extraction medium20US 5,891,433 A1999
- Rotary separator method for manure slurries19US 5,628,912 ANTH, Inc. · 1997