G01N 2291/02818
Density, viscosity
G01N2291/02818 (Density, viscosity) appears on 602 US grants and 504 published applications in this corpus.
Search patents in G01N- Granted patents
- 602
- Published applications
- 504
- Assignees
- 381
- Inventors
- 1,273
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 23 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 31 | 4 |
| 2002 | 20 | 14 |
| 2003 | 15 | 25 |
| 2004 | 17 | 30 |
| 2005 | 26 | 24 |
| 2006 | 19 | 20 |
| 2007 | 23 | 20 |
| 2008 | 12 | 15 |
| 2009 | 14 | 22 |
| 2010 | 17 | 9 |
| 2011 | 10 | 16 |
| 2012 | 11 | 12 |
| 2013 | 7 | 13 |
| 2014 | 11 | 18 |
| 2015 | 12 | 28 |
| 2016 | 14 | 26 |
| 2017 | 21 | 21 |
| 2018 | 18 | 20 |
| 2019 | 22 | 30 |
| 2020 | 19 | 19 |
| 2021 | 23 | 28 |
| 2022 | 21 | 22 |
| 2023 | 21 | 22 |
| 2024 | 27 | 26 |
| 2025 | 15 | 11 |
| 2026 | 18 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sensor, method and computer program for determining the density or composition of a fluid29 Sep 2026US 12,748,075 B2WoePal GmbH
- Non-contact ultrasound viscoelastic spectroscopy25 Aug 2026US 12,716,873 B2University of Southern California
- Methods and systems of determining a viscosity of liquid samples18 Aug 2026US 12,710,345 B2Amgen Inc.
- 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
- Apparatus, Systems And Methods For In Vitro Screening Of Complex Biological Fluids20 Aug 2026US 2026/0243651 A1The Administrators of the Tulane Educational Fund
- Viscometer, industrial process control system with in-line viscometer, and method of viscosity measurement4 Jun 2026US 2026/0153422 A1Schneider Electric Systems USA, Inc.
- Meter with mixture detection and metrology compensation21 May 2026US 2026/0139980 A1Itron, Inc.
- Method and apparatus for measuring ultrasonic viscoelasticity, device and medium21 May 2026US 2026/0140092 A1Shenzhen University
- Device and method for measuring property of a fluid16 Apr 2026US 2026/0104351 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Indirect calorimeter for medical applications391US 6,629,934 B2Healthetech, Inc. · 2003
- Combinatorial synthesis and analysis of organometallic compounds and catalysts245US 6,030,917 ASymyx Technologies, Inc. · 2000
- Mass spectrometers and methods for rapid screening of libraries of different materials218US 5,959,297 ASymyx Technologies, Inc. · 1999
- Ultrasonic system for measuring fluid impedance or liquid level183US 4,320,659 APanametrics, Inc. · 1982
- Controller for ultrasonic sensors181US 5,437,178 AKay-Ray/Sensall, Inc. · 1995