G01N 33/551
The carrier being inorganic
Official title: the carrier being inorganic
G01N33/551 (The carrier being inorganic) appears on 1,000 US grants and 1,365 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,000
- Published applications
- 1,365
- Assignees
- 847
- Inventors
- 3,321
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 20 | 0 |
| 1990 | 11 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 14 | 0 |
| 1996 | 14 | 0 |
| 1997 | 16 | 0 |
| 1998 | 16 | 0 |
| 1999 | 19 | 0 |
| 2000 | 10 | 0 |
| 2001 | 24 | 9 |
| 2002 | 22 | 46 |
| 2003 | 18 | 56 |
| 2004 | 17 | 51 |
| 2005 | 22 | 60 |
| 2006 | 23 | 57 |
| 2007 | 20 | 42 |
| 2008 | 19 | 49 |
| 2009 | 15 | 49 |
| 2010 | 30 | 59 |
| 2011 | 34 | 40 |
| 2012 | 30 | 34 |
| 2013 | 21 | 43 |
| 2014 | 32 | 55 |
| 2015 | 33 | 55 |
| 2016 | 44 | 79 |
| 2017 | 33 | 75 |
| 2018 | 49 | 65 |
| 2019 | 56 | 46 |
| 2020 | 47 | 76 |
| 2021 | 35 | 76 |
| 2022 | 33 | 58 |
| 2023 | 37 | 59 |
| 2024 | 32 | 50 |
| 2025 | 35 | 44 |
| 2026 | 15 | 32 |
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
- Method of detecting the presence of a pathogen in a biological liquid11 Aug 2026US 12,704,462 B2Spore Biotechnologies
- Signal amplification in plasmonic specific-binding partner assays11 Aug 2026US 12,704,510 B2Zoetis Services LLC
- Method and kit for detecting the presence of silver leaf disease Chondrostereum purpureum fungus4 Aug 2026US 12,699,091 B2Instituto De Investigaciones Agropecuarias
- Optical COVID-19 detection system14 Jul 2026US 12,681,011 B2The Board of Trustees of the University of Illinois
- Electrochemical biosensors, systems, and methods of use8 Oct 2026US 2026/0309671 A1
- Ultrabright fluorescent nanoconstructs as universal enhancers8 Oct 2026US 2026/0309701 A1Washington University
- System and Method for Single Protein Detection by Digital Plasmonic Nanobubbles8 Oct 2026US 2026/0309704 A1Board of Regents, The University of Texas System
- Aluminum oxide surfaces for diagnostic applications1 Oct 2026US 2026/0298922 A1Pavonis Diagnostics Inc.
- A method for optical, label-free detection of molecules at ultra-low concentration, particularly as low as zeptomolar concentration24 Sep 2026US 2026/0287585 A1Universita' Degli Studi Di Bari Aldo Moro
Most cited
By later US patents
- Surface-bound, unimolecular, double-stranded DNA537US 5,556,752 AAffymetrix, Inc. · 1996
- Spatially-addressable immobilization of anti-ligands on surfaces486US 5,252,743 AAffymax Technologies N.V. · 1993
- Reverse sandwich immunoassay465US 4,098,876 ACorning Glass Works · 1978
- Method and structures employing chemically-labelled polynucleotide probes400US 4,994,373 AEnzo Biochem, Inc. · 1991
- Metal sol particle immunoassay390US 4,313,734 AAkzona Incorporated · 1982