B01D 33/742
Containing fixed liquid displacement elements or cores
Official title: {containing fixed liquid displacement elements or cores}
B01D33/742 (Containing fixed liquid displacement elements or cores) appears on 47 US grants and 24 published applications in this corpus.
Search patents in B01D- Granted patents
- 47
- Published applications
- 24
- Assignees
- 32
- Inventors
- 63
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter for a treatment apparatus21 Apr 2026US 12,605,658 B2Fresh Works Ltd
- Drum washer with gravity assist drainage17 Feb 2026US 12,551,825 B2Andritz Inc.
- Tableware washing apparatus and filtering device thereof26 Aug 2025US 12,396,614 B2Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd.
- Method and apparatuses for screening12 Nov 2024US 12,138,661 B2Derrick Corporation
- Adjustable receptacles2 Jul 2024US 12,023,609 B2Process Wastewater Technologies, LLC
- Apparatus and method for solid-liquid separation13 Aug 2026US 2026/0233134 A1Betolar Oyj
- Filter for a treatment apparatus6 Aug 2026US 2026/0225010 A1Fresh Works Ltd
- Adjustable receptacles26 Sep 2024US 2024/0316482 A1Process Wastewater Technologies, LLC
- Filter for a treatment apparatus2 Nov 2023US 2023/0347267 A1Fresh Works Ltd
- Drum washer with gravity assist drainage28 Sep 2023US 2023/0302384 A1Andritz Inc.
Most cited
By later US patents
- Screen basket and shale shakers61US 7,216,767 B2Varco I/P, Inc. · 2007
- Backwash apparatus for multi element filter unit46US 4,642,188 ADover Corporation · 1987
- Continuous backwashing filter apparatus with filtered fluid retention plate30US 5,128,029 A1992
- Filtering arrangement for thermoplastics materials28US 4,332,541 AHermann Berstorff Maschinenbau GmbH · 1982
- Apparatus for filtering liquids containing particles26US 5,685,983 ANordic Water Products AB · 1997