G01N 29/222
Constructional or flow details for analysing fluids
Official title: {Constructional or flow details for analysing fluids (optoacoustic fluid cells G01N29/2425)}
G01N29/222 (Constructional or flow details for analysing fluids) appears on 744 US grants and 840 published applications in this corpus.
Search patents in G01N- Granted patents
- 744
- Published applications
- 840
- Assignees
- 492
- Inventors
- 1,780
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 0 |
| 2002 | 12 | 12 |
| 2003 | 13 | 23 |
| 2004 | 15 | 30 |
| 2005 | 21 | 26 |
| 2006 | 15 | 32 |
| 2007 | 16 | 19 |
| 2008 | 24 | 30 |
| 2009 | 15 | 34 |
| 2010 | 22 | 22 |
| 2011 | 16 | 18 |
| 2012 | 20 | 21 |
| 2013 | 13 | 13 |
| 2014 | 19 | 22 |
| 2015 | 13 | 27 |
| 2016 | 17 | 28 |
| 2017 | 20 | 52 |
| 2018 | 24 | 38 |
| 2019 | 49 | 67 |
| 2020 | 47 | 68 |
| 2021 | 46 | 56 |
| 2022 | 59 | 56 |
| 2023 | 45 | 50 |
| 2024 | 46 | 36 |
| 2025 | 50 | 42 |
| 2026 | 20 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiplexing surface acoustic wave sensors with delay line coding18 Aug 2026US 12,710,397 B2Aviana Molecular Technologies, LLC
- Wet gas holdup gas fraction and flow meter11 Aug 2026US 12,704,396 B2Saudi Arabian Oil Company
- Methods and systems for acoustic determination of gas composition21 Jul 2026US 12,687,525 B2Saudi Arabian Oil Company
- Interconnect device and module using same7 Jul 2026US 12,676,434 B2Zomedica Biotechnologies LLC
- AC supply fluid meter16 Jun 2026US 12,656,161 B2Sagemcom Energy & Telecom SAS
- System and method for acoustic spectroscopy for fluid measurement1 Oct 2026US 2026/0298880 A1Petroleo Brasileiro S.A. - Petrobras
- 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.
- Gas sensing sytem and method6 Aug 2026US 2026/0227363 A1Nditive3D Inc.
- Fluidic channels including conductivity sensor and methods of use thereof23 Jul 2026US 2026/0208182 A1
- Sensor element, sensor element manufacturing method, and gas measuring device16 Jul 2026US 2026/0202381 A1TDK Corporation
Most cited
By later US patents
- Biosensor for measuring changes in viscosity and/or density of a fluid176US 5,494,639 ABehringwerke Aktiengesellschaft · 1996
- Drug infusion pumping cassette latching mechanism154US 6,231,320 B1Abbott Laboratories · 2001
- Method and device for monitoring and controlling a process146US 6,874,356 B2ABB AB · 2005
- Air bubble sensor139US 6,142,008 AAbbott Laboratories · 2000
- Ultrasonic air-in-line detector for detecting entrained air in a medication infusion system119US 5,176,631 APacesetter Infusion, Ltd. · 1993