G01N 33/525
Multi-layer analytical elements
Official title: {Multi-layer analytical elements}
G01N33/525 (Multi-layer analytical elements) appears on 651 US grants and 464 published applications in this corpus.
Search patents in G01N- Granted patents
- 651
- Published applications
- 464
- Assignees
- 314
- Inventors
- 1,426
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 17 | 0 |
| 1987 | 10 | 0 |
| 1988 | 22 | 0 |
| 1989 | 27 | 0 |
| 1990 | 24 | 0 |
| 1991 | 27 | 0 |
| 1992 | 24 | 0 |
| 1993 | 33 | 0 |
| 1994 | 18 | 0 |
| 1995 | 20 | 0 |
| 1996 | 10 | 0 |
| 1997 | 3 | 0 |
| 1998 | 20 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 16 | 3 |
| 2002 | 7 | 16 |
| 2003 | 11 | 29 |
| 2004 | 10 | 24 |
| 2005 | 7 | 23 |
| 2006 | 12 | 10 |
| 2007 | 3 | 8 |
| 2008 | 5 | 17 |
| 2009 | 7 | 14 |
| 2010 | 9 | 16 |
| 2011 | 8 | 10 |
| 2012 | 10 | 19 |
| 2013 | 17 | 15 |
| 2014 | 18 | 20 |
| 2015 | 9 | 20 |
| 2016 | 17 | 29 |
| 2017 | 18 | 29 |
| 2018 | 18 | 21 |
| 2019 | 14 | 27 |
| 2020 | 19 | 17 |
| 2021 | 11 | 18 |
| 2022 | 12 | 28 |
| 2023 | 17 | 14 |
| 2024 | 8 | 16 |
| 2025 | 9 | 10 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Colorimetric bio sensor22 Sep 2026US 12,742,773 B2Qstag Co., Ltd.
- Thin, flexible wearable immunosensor for detection of multiple biomarkers/targets in bodily fluids11 Aug 2026US 12,702,592 B2National University of Singapore
- Colorometric sensor for the non-invasive screening of glucose in sweat in pre and type 2 diabetes26 May 2026US 12,635,915 B2Medtronic MiniMed, Inc.
- Microfluidic device and methods for using such device28 Apr 2026US 12,611,669 B2Fondazione Istituto Italiano Di Tecnologia
- Electronic test result determination and confirmation7 Apr 2026US 12,594,553 B2Purdue Research Foundation
- Dry analytical element for total ketone body analysis and measurement method for total ketone bodies1 Oct 2026US 2026/0298939 A1FUJIFILM Corporation
- Point-of-Care Device for the Determination of Adenosine Deaminase Activity in Biological Samples13 Aug 2026US 2026/0234691 A1DADA2 Foundation
- Dry paper-based test strip potassium assay13 Aug 2026US 2026/0235499 A1Jana Care, Inc.
- Techniques for manipulating the capillary-driven flow30 Jul 2026US 2026/0216727 A1Georgia Tech Research Corporation
- Electronic test result determination and confirmation23 Apr 2026US 2026/0108875 A1Purdue Research Foundation
Most cited
By later US patents
- Optical oxidative enzyme-based sensors515US 6,107,083 ABayer Aktiengesellschaft · 2000
- Integral analytical element430US 3,992,158 AEastman Kodak Company · 1976
- Synchronized analyte testing system424US 5,872,713 AMercury Diagnostics, Inc. · 1999
- Element, structure and method for the analysis or transport of liquids417US 4,258,001 AEastman Kodak Company · 1981
- Biosensor412US 6,004,441 AMatsushita Electric Industrial Co., Ltd. · 1999