B01D 2315/17
Depth filtration, asymmetric membranes arranged with wider pore size side towards feed
B01D2315/17 (Depth filtration, asymmetric membranes arranged with wider pore size side towards feed) appears on 12 US grants and 23 published applications in this corpus.
Search patents in B01D- Granted patents
- 12
- Published applications
- 23
- Assignees
- 12
- Inventors
- 55
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 5 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tangential flow filtration systems and methods11 Feb 2025US 12,220,665 B2Repligen Corporation
- Tangential flow filtration systems and methods16 Apr 2024US 11,958,018 B2Repligen Corporation
- Tangential flow depth filtration systems and methods of filtration using same9 May 2023US 11,643,628 B2Repligen Corporation
- Tangential flow depth filtration systems and methods of filtration using same9 May 2023US 11,643,629 B2Repligen Corporation
- Tangential flow depth filtration systems and methods of filtration using same1 Jun 2021US 11,021,683 B2Repligen Corporation
- Mxene membrane with gradient pores, preparation method and application thereof23 Jul 2026US 2026/0208121 A1South China University of Technology
- System for concentrating and capturing target material from liquid samples19 Feb 2026US 2026/0049910 A1
- Hollow fiber membrane and plasmapheresis method5 Feb 2026US 2026/0034516 A1Toyobo Co., Ltd.
- Filter system usable as cell culture clarification filter in protein purification11 Dec 2025US 2025/0375724 A1Sartorius Stedim Biotech GmbH
- Plasma fractionation by continuous extraction10 Oct 2024US 2024/0336650 A1CSL Behring GmbH
Most cited
By later US patents
- Depth exposed membrane for water extraction5US 10,513,446 B2EcoDesal, LLC · 2019
- Depth filtration media with multiple organic and/or inorganic materials3US 10,668,411 B2Entegris, Inc. · 2020
- Tangential flow depth filtration systems and methods of filtration using same1US 10,538,727 B2Repligen Corporation · 2020
- Liquid to liquid biological particle fractionation and concentration1US 10,845,277 B2InnovaPrep LLC · 2020