B01D 29/925
Containing liquid displacement elements or cores
Official title: {containing liquid displacement elements or cores}
B01D29/925 (Containing liquid displacement elements or cores) appears on 193 US grants and 149 published applications in this corpus.
Search patents in B01D- Granted patents
- 193
- Published applications
- 149
- Assignees
- 123
- Inventors
- 416
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 6 |
| 2003 | 5 | 9 |
| 2004 | 10 | 6 |
| 2005 | 2 | 7 |
| 2006 | 6 | 9 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 1 | 5 |
| 2010 | 8 | 2 |
| 2011 | 1 | 4 |
| 2012 | 6 | 7 |
| 2013 | 3 | 5 |
| 2014 | 4 | 1 |
| 2015 | 1 | 2 |
| 2016 | 6 | 2 |
| 2017 | 0 | 5 |
| 2018 | 1 | 9 |
| 2019 | 6 | 6 |
| 2020 | 5 | 7 |
| 2021 | 3 | 10 |
| 2022 | 11 | 10 |
| 2023 | 6 | 10 |
| 2024 | 6 | 2 |
| 2025 | 3 | 10 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Underdrain filtered water collection systems with winged screen diffusers26 Aug 2025US 12,397,247 B2De Nora Water Technologies, LLC
- Filter device having a filter element19 Aug 2025US 12,390,750 B2Mann+Hummel GmbH
- Method of using high temperature filter for edible cooking oil10 Jun 2025US 12,324,540 B2Oil Solutions Group, Inc.
- Method and apparatuses for screening12 Nov 2024US 12,138,661 B2Derrick Corporation
- Removable Cartridge Design with Threaded Center Tube2 Jul 2026US 2026/0183684 A1Parker-Hannifin Corporation
- Filter dryer component and filter dryer2 Jul 2026US 2026/0183685 A1
- Channel-separating structure and method for manufacturing a channel-separating structure7 May 2026US 2026/0124562 A1Caware Filtering Corporation
- In-line Fluid Filtering Surface Unit12 Mar 2026US 2026/0070008 A1Major Manufacturing & Supply, LLC
- Filter device having a filter element13 Nov 2025US 2025/0345730 A1Mann+Hummel GmbH
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- Recharge and filter assembly with replaceable cartridge131US 6,235,194 B1Parker-Hannifin Corporation · 2001
- Quick-change filter cartridge and head therefor130US 4,877,521 ACuno Incorporated · 1989
- Arterial blood filter with upwardly inclining delivery inlet conduit118US 5,632,894 AGish Biomedical, Inc. · 1997