G01N 29/2425
Optoacoustic fluid cells therefor
Official title: {optoacoustic fluid cells therefor}
G01N29/2425 (Optoacoustic fluid cells therefor) appears on 167 US grants and 160 published applications in this corpus.
Search patents in G01N- Granted patents
- 167
- Published applications
- 160
- Assignees
- 100
- Inventors
- 329
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 5 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 3 | 1 |
| 2008 | 3 | 4 |
| 2009 | 2 | 6 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 8 | 5 |
| 2013 | 3 | 7 |
| 2014 | 1 | 2 |
| 2015 | 4 | 5 |
| 2016 | 3 | 7 |
| 2017 | 9 | 6 |
| 2018 | 1 | 10 |
| 2019 | 13 | 17 |
| 2020 | 9 | 20 |
| 2021 | 17 | 12 |
| 2022 | 10 | 10 |
| 2023 | 15 | 6 |
| 2024 | 7 | 10 |
| 2025 | 7 | 8 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photoacoustic gas sensor device30 Jun 2026US 12,669,430 B2Sensirion AG
- Versatile multimodal optical modality based on Brillouin light scattering and photoacoustic effect30 Jun 2026US 12,669,436 B2Wayne State University
- Optical sensor system19 May 2026US 12,631,548 B2Asahi Kasei Microdevices Corporation
- Device for measuring laser radiation by photoacoustic effect10 Mar 2026US 12,571,723 B2Mirsense
- Method for determining a property of a sample fluid or a resonant frequency of a resonator cell10 Mar 2026US 12,571,775 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Mems-based fluid sensor having vertically spaced thermal structures10 Sep 2026US 2026/0266771 A1Hahn-Schickard-Gesellschaft FüR Angewandte Forschung E. V.
- Photoacoustic gas sensor and leakage detection system16 Jul 2026US 2026/0202317 A1Infineon Technologies AG
- Photoacoustic gas sensor, leakage detection system for refrigerants, and heat pump9 Jul 2026US 2026/0194451 A1Infineon Technologies AG
- Improved noise canceling detector25 Jun 2026US 2026/0177479 A1Tunable AS
- Method for fabricating an enclosure of a photoacoustic detecting device1 Jan 2026US 2026/0002912 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- 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
- Flow analysis system and method142US 5,741,980 AFoster-Miller, Inc. · 1998
- Thermoacoustic microscopy134US 4,255,971 A1981
- Optical systems and methods for rapid screening of libraries of different materials125US 6,034,775 ASymyx Technologies, Inc. · 2000