Acoustic wave detector
US-2017350868-A1 · Dec 7, 2017 · US
Analysing fluids (using acoustic emission techniques G01N29/14 {; constructional or flow details for analysing fluids G01N29/222; optoacoustic fluid cells G01N29/2425})
Analysing fluids (using acoustic emission techniques G01N29/14 {; constructional or flow details for analysing fluids G01N29/222; optoacoustic fluid cells G01N29/2425}) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N29/02 |
| Official title | Analysing fluids (using acoustic emission techniques G01N29/14 {; constructional or flow details for analysing fluids G01N29/222; optoacoustic fluid cells G01N29/2425}) |
| Display label | Analysing fluids (using acoustic emission techniques G01N29/14 {; constructional or flow details for analysing fluids G01N29/222; optoacoustic fluid cells G01N29/2425}) |
| Total patents | 490 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 33 |
| 2017 | 54 |
| 2018 | 46 |
| 2019 | 59 |
| 2020 | 58 |
| 2021 | 44 |
| 2022 | 49 |
| 2023 | 47 |
| 2024 | 36 |
| 2025 | 37 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Erosion detection of rotating equipment with harmonic frequencies
US-9804051-B2 · Oct 31, 2017 · US
Resin pelletizer device and cavitation monitoring method
US-2017259484-A1 · Sep 14, 2017 · US
Method of forming surface acoustic wave tag-based gas sensors
US-2017254780-A1 · Sep 7, 2017 · US
Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
US-9707341-B2 · Jul 18, 2017 · US
Predicting properties of well bore treatment fluids
US-9657218-B2 · May 23, 2017 · US
Ultrasonic System for Nondestructive Testing
US-2017138907-A1 · May 18, 2017 · US
Dialysis medical system with a portable control unit
US-9585995-B2 · Mar 7, 2017 · US
Systems, methods, and computer medium to provide entropy based characterization of multiphase flow
US-2016369623-A1 · Dec 22, 2016 · US
Systems, methods, and computer medium to provide entropy based characterization of multiphase flow
US-2016369624-A1 · Dec 22, 2016 · US
Coupled torsional resonators viscometer
US-9518906-B2 · Dec 13, 2016 · US
System, method, and apparatus for detecting air in a fluid line using active rectification
US-9518958-B2 · Dec 13, 2016 · US
Apparatus and method for acoustic monitoring of steam quality and flow
US-2016356744-A1 · Dec 8, 2016 · US
Miniature acoustic wave lysis system and uses thereof
US-9512421-B1 · Dec 6, 2016 · US
Device and method for monitoring interaction between a fluid and a wall
US-9488619-B2 · Nov 8, 2016 · US
Photo-Acoustic Gas Sensor Module Having Light Emitter and Detector Units
US-2016313288-A1 · Oct 27, 2016 · US
Trace Gas Measurement Apparatus for Electrical Equipment
US-2016282313-A1 · Sep 29, 2016 · US
Trace Gas Measurement Apparatus for Electrical Equipment
US-2016282323-A1 · Sep 29, 2016 · US
Ultrasound-based gas bubble and/or solid detector, dialysis apparatus and method for such detector
US-2016274061-A1 · Sep 22, 2016 · US
Method and apparatus for determining kinematic viscosity through the transmission and reception of ultrasonic energy
US-9448150-B2 · Sep 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N29/02?
- CPC G01N29/02 is the Cooperative Patent Classification code for “Analysing fluids (using acoustic emission techniques G01N29/14 {; constructional or flow details for analysing fluids G01N29/222; optoacoustic fluid cells G01N29/2425}).”
- How many patents are filed under CPC G01N29/02 (Analysing fluids (using acoustic emission techniques G01N29/14 {; constructional or flow details for analysing fluids G01N29/222; optoacoustic fluid cells G01N29/2425}))?
- Our database includes 490 publications tagged with this CPC code.
- Is patent activity under CPC G01N29/02 growing?
- Publication counts under this code: 36 in 2024 vs 37 in 2025 (latest complete years).