B01D 24/042
The filtering material being held in a flexible porous bag
Official title: {the filtering material being held in a flexible porous bag}
B01D24/042 (The filtering material being held in a flexible porous bag) appears on 31 US grants and 23 published applications in this corpus.
Search patents in B01D- Granted patents
- 31
- Published applications
- 23
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 4 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Integrated grommet filter25 Jun 2024US 12,018,606 B1Caterpillar Inc.
- Media purification devices having intergral flow controllers27 Dec 2022US 11,535,530 B2Unger Marketing International, LLC
- Contaminant extraction in a borehole2 Nov 2021US 11,162,333 B2
- Method of forming a compost filter sock21 Sep 2021US 11,123,661 B2Mkb Company
- In-Pipe Stormwater Treatment Unit Best Management Practice (I-STUB)21 May 2026US 2026/0138056 A1The United States of America as represented by the Secretary of the Navy
- Variable-porosity filtering apparatus having compressible filtering medium3 Mar 2022US 2022/0062797 A1Exterran Water Solutions ULC
- Media purification devices having intergral flow controllers28 Jan 2021US 2021/0024380 A1Unger Marketing International, LLC
- Up-Flow Water Filtration System6 Aug 2020US 2020/0246727 A1Atlantic Construction Fabrics, Inc.
- Secondary tubular composite filter sock seam filling device and method of using same and composite filter sock assembly incorporating a seam filling device11 Jun 2020US 2020/0179828 A1
Most cited
By later US patents
- Filter jug57US 5,665,224 AWilliam Levine Limited · 1997
- Water filter assembly44US 3,935,106 A1976
- Serviceable filter with bypass44US 6,387,261 B12002
- Filter for liquids, in particular internal-combustion engine lubricant oils35US 5,589,060 AKnecht Filterwerke GmbH · 1996
- Sequential flow filtration chamber for treatment of waste water and associated method29US 6,383,372 B12002