G01N 27/745
For detecting magnetic beads used in biochemical assays
Official title: {for detecting magnetic beads used in biochemical assays (concerning the assays G01N33/54326; sensors therefor G01R33/1269; automatic analysers therefor G01N35/0098)}
G01N27/745 (For detecting magnetic beads used in biochemical assays) appears on 303 US grants and 459 published applications in this corpus.
Search patents in G01N- Granted patents
- 303
- Published applications
- 459
- Assignees
- 195
- Inventors
- 836
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 4 |
| 2003 | 3 | 5 |
| 2004 | 2 | 9 |
| 2005 | 4 | 11 |
| 2006 | 4 | 8 |
| 2007 | 5 | 10 |
| 2008 | 2 | 19 |
| 2009 | 1 | 25 |
| 2010 | 3 | 32 |
| 2011 | 11 | 22 |
| 2012 | 15 | 27 |
| 2013 | 12 | 30 |
| 2014 | 10 | 30 |
| 2015 | 25 | 30 |
| 2016 | 27 | 19 |
| 2017 | 30 | 21 |
| 2018 | 15 | 22 |
| 2019 | 21 | 22 |
| 2020 | 19 | 24 |
| 2021 | 13 | 21 |
| 2022 | 15 | 19 |
| 2023 | 16 | 19 |
| 2024 | 11 | 11 |
| 2025 | 14 | 10 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid-phase affinity selection by mass spectrometry8 Sep 2026US 12,730,112 B2DH Technologies Development Pte. Ltd.
- Magnetic immunosensor with trench configuration and method of use21 Jul 2026US 12,687,541 B2Abbott Point of Care Inc.
- Use of magnetic nanoparticles for the detection and quantitation of analyte(s)21 Apr 2026US 12,607,627 B2Quantum IP Holdings Pty Limited
- Extended range immunoassay devices with immunosensor and magnetic immunosensor14 Apr 2026US 12,601,735 B2Abbott Point of Care Inc.
- Magnetic analysis of extracellular vesicle glycans30 Dec 2025US 12,510,544 B2National University of Singapore
- Polymer coated magentic beads serving as raman reporter for simultaneous target binding and identification13 Aug 2026US 2026/0235596 A1Massachusetts Institute of Technology
- Systems for upconversion chemiluminescence detection based on magnetic microparticles30 Jul 2026US 2026/0219186 A1Suzhou Helmen Precision Instruments Co., Ltd.
- Use of magnetic nanoparticles for the detection and quantitation of analyte(s)30 Jul 2026US 2026/0219265 A1Quantum IP Holdings Pty Limited
- Magnetic particle spectroscopy method and device30 Jul 2026US 2026/0219339 A1Regents of the University of Minnesota
- Target substance detection method and reagent7 May 2026US 2026/0126435 A1Ab-Ag Laboratories Limited
Most cited
By later US patents
- Methods for manipulating moieties in microfluidic systems281US 7,081,192 B1Aviva Biosciences Corporation · 2006
- Biosensor using magnetically-detected label154US 5,981,297 AThe United States of America as represented by the Secretary of the Navy · 1999
- Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes151US 6,437,563 B1Quantum Design, Inc. · 2002
- Magnetically assisted binding assays using magnetically labeled binding members141US 5,445,971 AAbbott Laboratories · 1995
- Method and apparatus for quantitative determination of accumulations of magnetic particles140US 6,518,747 B2Quantum Design, Inc. · 2003