G01N 33/561
Immunoelectrophoresis
G01N33/561 (Immunoelectrophoresis) appears on 188 US grants and 200 published applications in this corpus.
Search patents in G01N- Granted patents
- 188
- Published applications
- 200
- Assignees
- 136
- Inventors
- 420
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 12 |
| 2003 | 3 | 4 |
| 2004 | 5 | 11 |
| 2005 | 6 | 11 |
| 2006 | 4 | 1 |
| 2007 | 1 | 7 |
| 2008 | 3 | 5 |
| 2009 | 3 | 3 |
| 2010 | 3 | 6 |
| 2011 | 8 | 8 |
| 2012 | 4 | 8 |
| 2013 | 7 | 9 |
| 2014 | 8 | 9 |
| 2015 | 10 | 15 |
| 2016 | 7 | 10 |
| 2017 | 7 | 9 |
| 2018 | 9 | 12 |
| 2019 | 9 | 11 |
| 2020 | 14 | 7 |
| 2021 | 8 | 11 |
| 2022 | 4 | 9 |
| 2023 | 6 | 9 |
| 2024 | 6 | 6 |
| 2025 | 7 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system of microfluidic immunoassay using magnetic beads5 May 2026US 12,618,836 B2Revvity Health Sciences, Inc.
- Multiplex competition assay for profiling binding epitopes of affinity agents for clinical diagnostics use17 Feb 2026US 12,553,893 B2Enable Biosciences Inc.
- Assay for rapid detection of cerebrospinal fluid leaks23 Dec 2025US 12,504,427 B2Gwangju Institute of Science and Technology
- Wash for electrophoresis24 Jun 2025US 12,339,248 B2Helena Laboratories Corporation
- Colliding and reacting molecules and colloids electrophoretically17 Jun 2025US 12,332,179 B2Thomas G. Mason
- Assay for rapid detection of cerebrospinal fluid leaks14 May 2026US 2026/0133190 A1Gwangju Institute of Science and Technology
- Method for immunodetection using antibody cocktail26 Feb 2026US 2026/0056200 A1Imam Abdulrahman Bin Faisal University
- Analytical method for glycogonjugates using a capillary-based immunoassay system11 Dec 2025US 2025/0377362 A1Janssen Pharmaceuticals, Inc.
- Aptamer based affinity capture methods for the selective enrichment of human immunoglobulin fc domains31 Jul 2025US 2025/0243494 A1Waters Technologies Corporation
- Gel electrophoresis diagnostic kit and methods of using the same6 Feb 2025US 2025/0044254 A1Vital Biosciences Inc.
Most cited
By later US patents
- Capillary assays involving separation of free and bound species454US 6,103,537 AAclara Biosciences, Inc. · 2000
- Purified human prostate antigen74US 4,446,122 AResearch Corporation · 1984
- Rapid microbial detection and antimicrobial susceptibility testing72US 7,341,841 B2Accelr8 Technology Corporation · 2008
- Rapid microbial detection and antimicrobial susceptibiility testing72US 8,071,319 B2Accelr8 Technology Corporation · 2011
- Method to detect and analyze tight-binding ligands in complex biological samples using capillary electrophoresis and mass spectrometry68US 6,432,651 B1Cetek Corporation · 2002