B01D 2321/281
Details relating to membrane cleaning, regeneration, sterilization or to the prevention of
Official title: by applying a special coating to the membrane or to any module element
B01D2321/281 (Details relating to membrane cleaning, regeneration, sterilization or to the prevention of) appears on 21 US grants and 46 published applications in this corpus.
Search patents in B01D- Granted patents
- 21
- Published applications
- 46
- Assignees
- 32
- Inventors
- 166
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 4 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 7 |
| 2022 | 2 | 4 |
| 2023 | 2 | 9 |
| 2024 | 3 | 5 |
| 2025 | 3 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separation of alcohol using a membrane15 Sep 2026US 12,734,482 B2Altr Fltr Inc.
- Polyamide composite reverse osmosis membrane and preparation method thereof21 Apr 2026US 12,605,679 B2Hunan Keensen Technology Co., Ltd.
- Method for manufacturing oxygenator24 Jun 2025US 12,337,090 B2Terumo Kabushiki Kaisha
- Composite semipermeable membrane24 Jun 2025US 12,337,286 B2Nitto Denko Corporation
- Anti-fouling and semi-permeable membrane27 May 2025US 12,311,321 B2Aquaporin A/S
- Zwitterion anti-scaling membrane coatings9 Jul 2026US 2026/0192259 A1Arizona Board of Regents on behalf of Arizona State University
- Anti-fouling separation filter or membrane for enhanced separation in biomedical, dairy, beverage, and liquid purification applications19 Feb 2026US 2026/0048363 A1
- Water treatment separation membrane with improved nitrate nitrogen removal ability, manufacturing method therefor, and separation membrane module comprising same18 Dec 2025US 2025/0381528 A1Toray Advanced Materials Korea Inc.
- Atomic Scale Paired Electron Bonding, Adsorption and Chelation for Removing Preservative Biocidal Agents from Rx and OTC Ophthalmic Therapeutics and Other Medical Solutions4 Dec 2025US 2025/0367609 A1
- Polymer membranes incorporated with carrageenan for water treatment26 Jun 2025US 2025/0205649 A1Hamad Bin Khalifa University (HBKU)
Most cited
By later US patents
- Portable water disinfection system35US 6,736,966 B2MIOX Corporation · 2004
- Apparatus for membrane-permeation separations using segmented flow19US 4,834,877 AThe Dow Chemical Company · 1989
- Slippery self-lubricating polymer surfaces17US 9,963,597 B2President and Fellows of Harvard College · 2018
- Fluid purifying apparatus and method of purifying fluids2US 5,094,743 AEnvironmental Water Technology, Inc. · 1992
- Filter medium, method for manufacturing same, and filter module comprising same1US 10,850,239 B2Amogreentech Co., Ltd. · 2020