B01D 24/425
Containing fixed liquid displacement elements or cores
Official title: {containing fixed liquid displacement elements or cores}
B01D24/425 (Containing fixed liquid displacement elements or cores) appears on 8 US grants and 9 published applications in this corpus.
Search patents in B01D- Granted patents
- 8
- Published applications
- 9
- Assignees
- 6
- Inventors
- 36
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 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 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 3 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Automatic sand filter system controller6 Aug 2024US 12,053,723 B2Saudi Arabian Oil Company
- Nozzles/screens used in the fluid processing units4 Jan 2022US 11,213,769 B2
- Filtration system14 May 2026US 2026/0131263 A2The Pennington School
- Filtration system11 Dec 2025US 2025/0375720 A1The Pennington School, Women in STEM Solving Problems ("WISSP")
- Feedback controlled gas lift conveyance of slurry13 Nov 2025US 2025/0347297 A1
- Underdrain Filtered Water Collection Systems with Winged Screen Diffusers29 May 2025US 2025/0170499 A1De Nora Water Technologies, LLC
- Filter, water filter, and above-ground pool9 Jan 2025US 2025/0010222 A1
Most cited
By later US patents
- Septic system filter apparatus11US 6,177,004 B12001
- Water filtering device4US 4,556,487 ATakara Kogyo Co., Ltd. · 1985
- Nuclear reactor using controlled debris to mitigate ECCS strainer pressure head loss1US 10,755,824 B2Continuum Dynamics, Inc. · 2020
- Underdrain filtered water collection systems with winged screen diffusers1US 12,397,247 B2De Nora Water Technologies, LLC · 2025