G01N 33/54391
Based on vertical flow
Official title: {based on vertical flow}
G01N33/54391 (Based on vertical flow) appears on 151 US grants and 157 published applications in this corpus.
Search patents in G01N- Granted patents
- 151
- Published applications
- 157
- Assignees
- 90
- Inventors
- 349
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 8 |
| 2003 | 2 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 5 |
| 2008 | 1 | 4 |
| 2009 | 1 | 7 |
| 2010 | 4 | 6 |
| 2011 | 4 | 5 |
| 2012 | 4 | 6 |
| 2013 | 7 | 5 |
| 2014 | 1 | 4 |
| 2015 | 4 | 1 |
| 2016 | 5 | 7 |
| 2017 | 6 | 4 |
| 2018 | 5 | 14 |
| 2019 | 4 | 12 |
| 2020 | 4 | 7 |
| 2021 | 8 | 11 |
| 2022 | 4 | 10 |
| 2023 | 11 | 13 |
| 2024 | 10 | 10 |
| 2025 | 1 | 7 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diagnostic assay device having microreactor28 Apr 2026US 12,613,242 B2Access Bio, Inc.
- Automatic test card for multi-blood group system and test method10 Mar 2026US 12,571,804 B2Chongqing University
- Binding assay with no wash steps or moving parts using magnetic beads20 Jan 2026US 12,528,081 B2Fitbit, Inc.
- Layered detection device6 Jan 2026US 12,517,121 B2Convatec Limited
- Lateral flow immunoassay device with separation membrane6 Jan 2026US 12,517,122 B2Becton, Dickinson and Company
- Biodegradable analyte detection device11 Jun 2026US 2026/0160762 A1
- Lateral flow immunoassay device with separation membrane21 May 2026US 2026/0140111 A1Becton, Dickinson and Company
- Sample collection and analysis system5 Mar 2026US 2026/0063619 A13M Innovative Properties Company
- Point-of-Care Device for the Determination of Creatine Phosphokinase (CPK) in Biological Samples16 Oct 2025US 2025/0320540 A1In Vitro Diagnostic Solutions
- Urine analysis device11 Sep 2025US 2025/0283805 A1Dnc Biotechnology Inc.
Most cited
By later US patents
- Element, structure and method for the analysis or transport of liquids417US 4,258,001 AEastman Kodak Company · 1981
- Multizone analytical element having labeled reagent concentration zone230US 4,806,311 AMiles Inc. · 1989
- Quantitative analysis apparatus and method221US 5,073,484 ABio-Metric Systems, Inc. · 1991
- Assay devices comprising a porous capture membrane in fluid-withdrawing contact with a nonabsorbent capillary network185US 5,922,615 ABiosite Diagnostics, Inc. · 1999
- Solid-phase analytical device and method for using same173US 4,916,056 AAbbott Laboratories · 1990