B01D 61/149
Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or
Official title: {Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or microfiltration}
B01D61/149 (Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or) appears on 115 US grants and 190 published applications in this corpus.
Search patents in B01D- Granted patents
- 115
- Published applications
- 190
- Assignees
- 129
- Inventors
- 468
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 7 |
| 2003 | 1 | 2 |
| 2004 | 3 | 3 |
| 2005 | 1 | 8 |
| 2006 | 4 | 6 |
| 2007 | 2 | 5 |
| 2008 | 1 | 2 |
| 2009 | 0 | 5 |
| 2010 | 0 | 4 |
| 2011 | 1 | 6 |
| 2012 | 3 | 3 |
| 2013 | 1 | 5 |
| 2014 | 4 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 5 |
| 2017 | 3 | 3 |
| 2018 | 2 | 6 |
| 2019 | 4 | 13 |
| 2020 | 6 | 9 |
| 2021 | 9 | 15 |
| 2022 | 9 | 18 |
| 2023 | 10 | 24 |
| 2024 | 10 | 13 |
| 2025 | 11 | 14 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation method of milk oligosaccharides and oligosaccharide powder and food prepared thereby15 Sep 2026US 12,735,512 B2Beijing Sanyuan Foods Co., Ltd.
- Bioprocessing perfusion system having a plurality of filters and method of operating the same14 Apr 2026US 12,600,932 B2Global Life Sciences Solutions USA LLC
- System and method for producing a sugar stream using membrane filtration13 Jan 2026US 12,522,881 B2Fluid Quip Technologies, LLC
- Systems and methods for treating a wastewater stream18 Nov 2025US 12,473,220 B2University of South Florida
- System and method for filtering beverages11 Nov 2025US 12,465,066 B2Donaldson Company, Inc.
- Method for producing bioethanol and device for producing bioethanol8 Oct 2026US 2026/0308643 A1ARKHE Co., Ltd.
- Estimation of the remaining service lifetime of the co2 removal membranes using permeance data27 Aug 2026US 2026/0249236 A1Petroleo Brasileiro S.A. - Petrobras
- Methods for making charged ultrafiltration membranes and uses thereof in dairy applications30 Jul 2026US 2026/0216653 A1fairlife, LLC
- Bioprocessing perfusion system having a plurality of filters and method of operating the same23 Jul 2026US 2026/0209673 A1Global Life Sciences Solutions USA LLC
- System and Method for Extracting and Packaging Coconut Water11 Jun 2026US 2026/0157404 A1
Most cited
By later US patents
- Hemodiafiltration apparatus200US 4,702,829 AFresenius AG · 1987
- Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate193US 5,248,424 AZenon Environmental Inc. · 1993
- System for operation of multiple membrane filtration assemblies118US 6,214,231 B1Zenon Environmental Inc. · 2001
- Water filtration using immersed membranes113US 6,375,848 B1Zenon Environmental Inc. · 2002
- Spider fitting for multi-module filter system, and motive cart assembly comprising same70US 6,017,451 A2000