G01N 27/74
Of fluids
Official title: of fluids (G01N24/00 takes precedence)
G01N27/74 (Of fluids) appears on 493 US grants and 658 published applications in this corpus.
Search patents in G01N- Granted patents
- 493
- Published applications
- 658
- Assignees
- 353
- Inventors
- 1,323
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 5 |
| 2003 | 4 | 7 |
| 2004 | 5 | 15 |
| 2005 | 7 | 13 |
| 2006 | 9 | 11 |
| 2007 | 5 | 13 |
| 2008 | 4 | 21 |
| 2009 | 4 | 27 |
| 2010 | 5 | 37 |
| 2011 | 13 | 30 |
| 2012 | 18 | 37 |
| 2013 | 17 | 37 |
| 2014 | 17 | 35 |
| 2015 | 30 | 41 |
| 2016 | 36 | 32 |
| 2017 | 40 | 36 |
| 2018 | 21 | 36 |
| 2019 | 35 | 32 |
| 2020 | 28 | 40 |
| 2021 | 22 | 28 |
| 2022 | 24 | 29 |
| 2023 | 23 | 33 |
| 2024 | 25 | 21 |
| 2025 | 18 | 22 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solid-phase affinity selection by mass spectrometry8 Sep 2026US 12,730,112 B2DH Technologies Development Pte. Ltd.
- Oil state detection apparatus28 Jul 2026US 12,693,250 B2Nippon Pillar Packing Co., Ltd.
- Magnetic immunosensor with trench configuration and method of use21 Jul 2026US 12,687,541 B2Abbott Point of Care Inc.
- Sensor and method for determining fractions of oil, water, and solids in drilling fluid in real time23 Jun 2026US 12,663,409 B2
- Device for the inductive determination of the electrical conductivity of a medium contained in a container2 Jun 2026US 12,644,862 B2Endress+Hauser Conducta GmbH+Co. KG
- Method for rapid localization of dam leakage passage based on gradient measurement of total magnetic field1 Oct 2026US 2026/0298765 A1Central South University
- Power supply assembly, electronic atomization device and control method thereof10 Sep 2026US 2026/0262739 A1Shenzhen First Union Technology Co., Ltd.
- Measurement cell and connection device3 Sep 2026US 2026/0259161 A1Hioki E. E. Corporation
- 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.
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