B01D 2201/182
For depth filtration
Official title: for depth filtration
B01D2201/182 (For depth filtration) appears on 76 US grants and 39 published applications in this corpus.
Search patents in B01D- Granted patents
- 76
- Published applications
- 39
- Assignees
- 49
- Inventors
- 160
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 4 |
| 2021 | 1 | 6 |
| 2022 | 2 | 2 |
| 2023 | 4 | 3 |
| 2024 | 3 | 7 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Fluid processing cassette with integrated filter28 Jul 2026US 12,691,396 B2Fenwal, Inc.
- Liquid composition for purification of oil29 Jul 2025US 12,370,477 B2Skf Recondoil AB
- Testing of filtration device14 Jan 2025US 12,196,726 B2Cytiva Sweden AB
- Depth filter3 Dec 2024US 12,157,078 B2Jnc Corporation
- Modular connector and filtration device with modular connection features25 Dec 2025US 2025/0387736 A1EMD Millipore Corporation
- Lentiviral Manufacturing Platform19 Jun 2025US 2025/0197886 A1Brammer Bio, LLC
- Virus filtration operations employing an oversized virus prefilter19 Sep 2024US 2024/0307803 A1Amgen Inc.
- Purification of oil29 Aug 2024US 2024/0286067 A1
- Device, system and method for filtration at the nanoscale for fryers, the filtration comprising crossflow membrane filtration at a high-pressure range22 Aug 2024US 2024/0277185 A1
Most cited
By later US patents
- High surface area filter cartridge70US 4,842,739 AMinnesota Mining and Manufacturing Company · 1989
- Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products61US 4,116,738 APall Corporation · 1978
- Filter cartridge or filter module consisting of flexible deep filter material57US 5,122,270 ASeitz-Filter-Werke Theo & Geo Seitz GmbH & Co. · 1992
- Dual media filter cartridge construction51US 5,980,759 AMillipore Corporation · 1999
- Water filter assembly44US 3,935,106 A1976