B01D 65/109
Testing of membrane fouling or clogging
Official title: {Testing of membrane fouling or clogging, e.g. amount or affinity}
B01D65/109 (Testing of membrane fouling or clogging) appears on 76 US grants and 123 published applications in this corpus.
Search patents in B01D- Granted patents
- 76
- Published applications
- 123
- Assignees
- 86
- Inventors
- 315
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 3 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 0 | 0 |
| 2011 | 2 | 8 |
| 2012 | 2 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 5 |
| 2015 | 2 | 5 |
| 2016 | 1 | 4 |
| 2017 | 3 | 8 |
| 2018 | 4 | 7 |
| 2019 | 7 | 7 |
| 2020 | 9 | 10 |
| 2021 | 8 | 5 |
| 2022 | 7 | 9 |
| 2023 | 3 | 7 |
| 2024 | 3 | 6 |
| 2025 | 4 | 8 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operating separation membrane module, computer-readable recording medium having program recorded thereon, and water production system18 Aug 2026US 12,708,878 B2Toray Industries, Inc.
- Systems and methods for blockage detection in gas detectors18 Aug 2026US 12,710,348 B2Detector Electronics Buyer US, LLC
- Method for analyzing composite semipermeable membrane21 Apr 2026US 12,605,677 B2Toray Industries, Inc.
- Systems and methods for membrane blockage detection in gas detectors7 Oct 2025US 12,436,137 B2Carrier Corporation
- Evaluation method for protein-containing solution2 Sep 2025US 12,403,428 B2Asahi Kasei Life Science Corporation
- System for determining filter status8 Oct 2026US 2026/0309611 A1
- Determination apparatus, determination method, determination program, and water treatment system17 Sep 2026US 2026/0273472 A1Yokogawa Electric Corporation
- Ultrapure water production apparatus, method of producing ultrapure water, method of managing operation of the ultrapure water production apparatus, and method of measuring colloidal particles13 Aug 2026US 2026/0234029 A1Nomura Micro Science Co., Ltd.
- Method for evaluating oxidation risk of separation membrane, program for evaluating oxidation risk, recording medium, and evaluation device9 Jul 2026US 2026/0192257 A1Toray Industries, Inc.
- Monitoring and optimizing water pre-treatment by ultraviolet illumination and addition of chemical agents4 Jun 2026US 2026/0151735 A1Atlantium Technologies Ltd.
Most cited
By later US patents
- Method and apparatus for determining the state of fouling/cleaning of membrane modules46US 6,161,435 AUniversity Technology Corporation · 2000
- Crosslinked and crosslinkable hollow fiber membrane and method of making same utility39US 7,247,191 B2Chevron U.S.A.Inc. · 2007
- Crosslinked and crosslinkable hollow fiber membrane and method of making same30US 6,932,859 B2Chevron U.S.A.Inc. · 2005
- Immersed membrane element and module22US 6,790,360 B1Zenon Environmental Inc. · 2004
- Treatment of swine wastewater by biological and membrane separation technologies21US 7,045,063 B2The Regents of the University of California · 2006