B01D 2201/06
Resilient foam as filtering element
B01D2201/06 (Resilient foam as filtering element) appears on 25 US grants and 28 published applications in this corpus.
Search patents in B01D- Granted patents
- 25
- Published applications
- 28
- Assignees
- 18
- Inventors
- 48
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 4 |
| 2021 | 1 | 2 |
| 2022 | 4 | 2 |
| 2023 | 4 | 0 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid purification device3 Jun 2025US 12,318,719 B2Unger Marketing International, LLC
- Fluid purification device27 Feb 2024US 11,911,720 B2Unger Marketing International, LLC
- Filtration media including porous polymeric material and degradable shape memory material27 Feb 2024US 11,913,309 B2Baker Hughes Oilfield Operations LLC
- Filter interconnect utilizing correlated magnetic actuation for downstream system function19 Dec 2023US 11,845,021 B2KX Technologies LLC
- Stillage clarification5 Sep 2023US 11,746,312 B1
- Sewage recycling system25 Dec 2025US 2025/0386992 A1Ningbo Daman Electric Appliance Co., Ltd
- Method, apparatus and system for the for collection and quantification of mycotoxins within the built environment13 Nov 2025US 2025/0347595 A1
- Fluid purification device18 Apr 2024US 2024/0123379 A1Unger Marketing International, LLC
- Filter interconnect utilizing correlated magnetic actuation for downstream system function8 Feb 2024US 2024/0042353 A1KX Technologies LLC
- Filter apparatus11 Jan 2024US 2024/0009598 A1Fidica GmbH & Co. KG
Most cited
By later US patents
- Filtration method and apparatus32US 5,690,825 AGenera Technologies Limited · 1997
- Filter assembly for evaporative cooler pumps25US 4,353,846 A1982
- Method of removing fine suspended solids from effluent streams19US 4,303,533 AChampion International Corporation · 1981
- Fluid filter17US 6,926,828 B2Inoac Corporation · 2005
- Apparatus and method for filtering fluids13US 7,223,347 B2Wwetco, LLC · 2007