G01N 2291/022
Liquids
G01N2291/022 (Liquids) appears on 441 US grants and 435 published applications in this corpus.
Search patents in G01N- Granted patents
- 441
- Published applications
- 435
- Assignees
- 347
- Inventors
- 1,116
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 2 |
| 2002 | 23 | 10 |
| 2003 | 8 | 10 |
| 2004 | 8 | 14 |
| 2005 | 13 | 13 |
| 2006 | 10 | 23 |
| 2007 | 13 | 11 |
| 2008 | 11 | 9 |
| 2009 | 9 | 17 |
| 2010 | 9 | 8 |
| 2011 | 9 | 11 |
| 2012 | 9 | 13 |
| 2013 | 5 | 5 |
| 2014 | 14 | 12 |
| 2015 | 10 | 29 |
| 2016 | 12 | 23 |
| 2017 | 19 | 24 |
| 2018 | 13 | 22 |
| 2019 | 15 | 24 |
| 2020 | 34 | 25 |
| 2021 | 17 | 36 |
| 2022 | 25 | 23 |
| 2023 | 25 | 31 |
| 2024 | 20 | 17 |
| 2025 | 20 | 17 |
| 2026 | 16 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensing devices1 Sep 2026US 12,726,755 B2Shenzhen Shokz Co., Ltd.
- Wet gas holdup gas fraction and flow meter11 Aug 2026US 12,704,396 B2Saudi Arabian Oil Company
- In-situ measurement technique for nondestructive determination of end-of-mixing time during slurry preparation for battery manufacturing process11 Aug 2026US 12,706,294 B2Ford Global Technologies, LLC
- Interconnect device and module using same7 Jul 2026US 12,676,434 B2Zomedica Biotechnologies LLC
- Resonant acoustic rheometry for characterization of soft viscoelastic materials30 Jun 2026US 12,669,473 B2The Regents of the University of Michigan
- Fluid cell device and method for measuring drilling mud properties8 Oct 2026US 2026/0309674 A1
- System and method for acoustic spectroscopy for fluid measurement1 Oct 2026US 2026/0298880 A1Petroleo Brasileiro S.A. - Petrobras
- Resonant acoustic rheometry for characterization of soft viscoelastic materials24 Sep 2026US 2026/0287554 A1The Regents of the University of Michigan
- Ultrasonic probe, pneumatically driven liquid metering injection apparatus, and control and fault-diagnosis method for pneumatically driven liquid metering injection based on ultrasonic sensing24 Sep 2026US 2026/0287557 A1ShenZhen KEWEI Neo_Tech Co.,Ltd.
- Assembly and method for detecting and/or determining the concentration of one or more substances in a liquid or gaseous medium16 Jul 2026US 2026/0202316 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Most cited
By later US patents
- Mass spectrometers and methods for rapid screening of libraries of different materials218US 5,959,297 ASymyx Technologies, Inc. · 1999
- Fluid parameter measurement in pipes using acoustic pressures191US 6,354,147 B1CiDRA Corporation · 2002
- Method and device for monitoring and controlling a process146US 6,874,356 B2ABB AB · 2005
- Optical systems and methods for rapid screening of libraries of different materials125US 6,034,775 ASymyx Technologies, Inc. · 2000
- Systems and methods for characterization of materials and combinatorial libraries with mechanical oscillators117US 6,182,499 B2Symyx Technologies, Inc. · 2001