B01D 2325/0212
Symmetric or isoporous membranes
B01D2325/0212 (Symmetric or isoporous membranes) appears on 48 US grants and 82 published applications in this corpus.
Search patents in B01D- Granted patents
- 48
- Published applications
- 82
- Assignees
- 61
- Inventors
- 192
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 5 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 1 | 3 |
| 2010 | 5 | 2 |
| 2011 | 1 | 5 |
| 2012 | 4 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 1 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 3 |
| 2019 | 0 | 3 |
| 2020 | 2 | 4 |
| 2021 | 2 | 12 |
| 2022 | 3 | 7 |
| 2023 | 4 | 5 |
| 2024 | 4 | 5 |
| 2025 | 1 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for separating particles in a liquid, kit containing the device, and applications of the device1 Sep 2026US 12,722,126 B2Cell.Copedia GmbH
- Membrane sealing layer and spacer ring for viral clearance chromatography device19 May 2026US 12,629,611 B2Life Technologies Corporation
- Articles including an isoporous membrane disposed on a porous substrate and methods of making the same6 Jan 2026US 12,515,174 B2Solventum Intellectual Properties Company
- Method for preparing durably hydrophilic and uniform-pore ultrafiltration membrane25 Nov 2025US 12,478,924 B2Tiangong University
- Nanopore fabrication17 Dec 2024US 12,168,265 B2Technion Research & Development Foundation Limited
- Articles Including an Isoporous Membrane Disposed on a Porous Substrate and Methods of Making the Same11 Jun 2026US 2026/0158450 A1Thermo Fisher Scientific Inc.
- Method for manufacturing a membrane with throughgoing holes27 Nov 2025US 2025/0361644 A1Imec Vzw
- Membranes with precision Nanopores and Method for Manufacture Thereof21 Aug 2025US 2025/0262598 A1
- Multiblock copolymer films, methods of making same, and uses thereof12 Jun 2025US 2025/0188233 A1Cornell University
- Method for preparing loose cross-sectional asymmetric isoporous membrane based on thermally induced phase separation process29 May 2025US 2025/0170530 A1Zhejiang University of Technology
Most cited
By later US patents
- Membrane filter for capturing circulating tumor cells32US 7,846,393 B2California Institute of Technology · 2010
- Filter cartridges having track etched membranes and methods of making same31US 6,103,119 AWhatman, Inc. · 2000
- Uses of parylene membrane filters28US 7,846,743 B2California Institute of Technology · 2010
- Filter cartridge having track etched membranes and methods of making same23US 5,904,846 ACorning Costar Corporation · 1999
- Uses of parylene membrane filters16US 8,288,170 B2California Institute of Technology · 2012