G01N 21/69
Specially adapted for fluids
Official title: specially adapted for fluids {, e.g. molten metal}
G01N21/69 (Specially adapted for fluids) appears on 153 US grants and 128 published applications in this corpus.
Search patents in G01N- Granted patents
- 153
- Published applications
- 128
- Assignees
- 101
- Inventors
- 342
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 3 |
| 2003 | 5 | 4 |
| 2004 | 5 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 3 |
| 2007 | 0 | 5 |
| 2008 | 2 | 4 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 2 | 4 |
| 2012 | 4 | 4 |
| 2013 | 0 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 7 |
| 2016 | 3 | 5 |
| 2017 | 5 | 7 |
| 2018 | 3 | 8 |
| 2019 | 8 | 9 |
| 2020 | 5 | 11 |
| 2021 | 8 | 7 |
| 2022 | 8 | 6 |
| 2023 | 3 | 11 |
| 2024 | 8 | 3 |
| 2025 | 3 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrochemical cell devices and methods of manufacturing7 Apr 2026US 12,596,095 B2Meso Scale Technologies, LLC.
- Automatic analyzer17 Mar 2026US 12,578,351 B2Hitachi High-Tech Corporation
- Biomolecular analysis method and biomolecular analyzer20 Jan 2026US 12,529,656 B2Hitachi High-Tech Corporation
- Methods and devices for detection of biological materials using electric field assisted rapid analyte capture2 Dec 2025US 12,487,237 B2University of Wyoming
- Shaped-channel scanning nozzle for scanning of a material surface13 May 2025US 12,300,480 B2Elemental Scientific, Inc.
- Emission spectroscopic analysis method for sb in metal material, method for measuring sb concentration in molten steel during refining, and method for manufacturing steel material20 Aug 2026US 2026/0243688 A1Jfe Steel Corporation
- Electrochemical cell devices and methods of manufacturing13 Aug 2026US 2026/0235549 A1Meso Scale Technologies, LLC.
- Device, system and method for detecting substances in liquid to be tested using plasma spectroscopy4 Dec 2025US 2025/0369892 A1National Taiwan University
- Shaped-channel scanning nozzle for scanning of a material surface25 Sep 2025US 2025/0299941 A1Elemental Scientific, Inc.
- Method for acquiring single photon signals of electrochemiluminescence, imaging system, and application thereof11 Sep 2025US 2025/0283757 A1Zhejiang University
Most cited
By later US patents
- Silicon-based sleeve devices for chemical reactions516US 5,589,136 AThe Regents of the University of California · 1996
- Assay plates, reader systems and methods for luminescence test measurements222US 6,977,722 B2Meso Scale Technologies, LLC. · 2005
- Graphitic nanotubes in luminescence assays206US 5,866,434 AMeso Scale Technology LLP · 1999
- Apparatus for conducting a plurality of simultaneous measurements of electrochemiluminescent phenomena117US 5,093,268 AIgen, Inc. · 1992
- Fluid and electrolyte balance monitoring system for surgical and critically ill patients110US 6,010,454 AAquintel, Inc. · 2000