G01N 2001/4011
Being a ion-exchange membrane
Official title: {being a ion-exchange membrane}
G01N2001/4011 (Being a ion-exchange membrane) appears on 38 US grants and 47 published applications in this corpus.
Search patents in G01N- Granted patents
- 38
- Published applications
- 47
- Assignees
- 39
- Inventors
- 133
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 6 |
| 2020 | 3 | 7 |
| 2021 | 4 | 2 |
| 2022 | 5 | 0 |
| 2023 | 1 | 5 |
| 2024 | 1 | 4 |
| 2025 | 3 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated dual-mode chromatography to enrich extracellular vesicles from plasma9 Jun 2026US 12,649,116 B2The General Hospital Corporation
- Paper-based micro-concentrator, biological sample detection device and biological sample detection method26 May 2026US 12,636,616 B2National Chung Cheng University
- Batch polyfluoroalkyl substances (PFAS) pilot methods, mobile apparatus, and roughing filter system and methods21 Apr 2026US 12,606,459 B2Sentinel Water Solutions, LLC
- Separation and concentration system for ionic compounds in sample, and method for analyzing ionic compounds using same14 Oct 2025US 12,442,735 B2LG Chem.Ltd.
- Kit for extracting mycotoxin residues in agricultural products and method of obtaining primary test liquid from agricultural products using the same27 May 2025US 12,313,510 B2Great Engineering Technology Corporation
- Multi-polar electrodes for detection of per and polyfluoroalkyl substances using total organic fluoride30 Jul 2026US 2026/0219145 A1Hach Company
- Batch polyfluoroalkyl substances (pfas) pilot methods, mobile apparatus, and roughing filter system and methods2 Apr 2026US 2026/0091988 A1Sentinel Water Solutions, LLC
- Impurity acquisition system, quality inspection system, and liquid production and supply system11 Dec 2025US 2025/0377272 A1IAS Inc.
- Diagnostic test kits for sample preparation and analysis14 Aug 2025US 2025/0258104 A1
- Kit for extracting mycotoxin residues in agricultural products and method of obtaining primary test liquid from agricultural products using the same11 Jul 2024US 2024/0230487 A9Great Engineering Technology Corporation
Most cited
By later US patents
- Column analyzer system and improved chromatograph column for use in the system18US 5,589,063 AHelena Laboratories Corporation · 1996
- Membrane based concentrators11US 7,964,411 B2Board of Regents, The University of Texas · 2011
- Column analyzer system and improved chromatograph column for use in the system10US 5,358,641 AHelena Laboratories Corporation · 1994
- Device for concentrating trace components in a liquid10US 5,834,633 AUniversity of Lancaster · 1998
- Column analyzer system9US 5,045,208 AHelena Laboratories Corporation · 1991