G01N 33/54326
Magnetic particles
Official title: {Magnetic particles}
G01N33/54326 (Magnetic particles) appears on 1,669 US grants and 2,564 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,669
- Published applications
- 2,564
- Assignees
- 1,223
- Inventors
- 5,450
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 20 | 0 |
| 1994 | 9 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 21 | 0 |
| 1998 | 36 | 0 |
| 1999 | 30 | 0 |
| 2000 | 39 | 0 |
| 2001 | 23 | 8 |
| 2002 | 24 | 36 |
| 2003 | 15 | 36 |
| 2004 | 12 | 62 |
| 2005 | 17 | 62 |
| 2006 | 24 | 68 |
| 2007 | 26 | 69 |
| 2008 | 28 | 78 |
| 2009 | 17 | 90 |
| 2010 | 29 | 110 |
| 2011 | 37 | 109 |
| 2012 | 53 | 79 |
| 2013 | 53 | 91 |
| 2014 | 65 | 111 |
| 2015 | 66 | 109 |
| 2016 | 71 | 113 |
| 2017 | 92 | 134 |
| 2018 | 87 | 128 |
| 2019 | 93 | 136 |
| 2020 | 91 | 139 |
| 2021 | 79 | 150 |
| 2022 | 73 | 156 |
| 2023 | 83 | 167 |
| 2024 | 55 | 122 |
| 2025 | 97 | 117 |
| 2026 | 66 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Microstructure and molecular detection method6 Oct 2026US 12,752,270 B2Korea University Research and Business Foundation
- POCT diagnostic system for traumatic brain injuries and infectious diseases29 Sep 2026US 12,748,108 B2Ezdiatech Inc.
- Methods for detecting phosphorylated alpha-synuclein22 Sep 2026US 12,742,789 B2Prothena Biosciences Limited
- Accurate and comprehensive cardiac troponin I assay enabled by nanotechnology and proteomics22 Sep 2026US 12,744,137 B2Wisconsin Alumni Research Foundation
- Separating apparatus of biosubstance and separating method of the same15 Sep 2026US 12,736,550 B2Inventec Appliances Corp.
- Violet Excitable Tandem Dyes, and Methods for Making and Using the Same8 Oct 2026US 2026/0308383 A1
- Tau assay8 Oct 2026US 2026/0309720 A1
- Magnetic point-of-care systems and assays for determining gfap in biological samples8 Oct 2026US 2026/0309722 A1Abbott Laboratories
- Rapid glycan sample preparation methods, system and kits1 Oct 2026US 2026/0298914 A1
- A method to homogenize the concentration of beads across multiple liquid volumes1 Oct 2026US 2026/0298915 A1Nuclera Ltd
Most cited
By later US patents
- Method for producing microparticles loaded with proteins791US 7,335,401 B2Roche Diagnostic Operations, Inc. · 2008
- Oligonucleotide-linked magnetic particles and uses thereof712US 5,512,439 ADynal AS · 1996
- Containment cuvette for PCR and method of use561US 5,229,297 AEastman Kodak Company · 1993
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Multiple assay card and system400US 4,673,657 AThe Regents of the University of California · 1987