Integrated active fuel characteristic sensor
US-2016377587-A1 · Dec 29, 2016 · US
by measuring propagation velocity or propagation time of acoustic waves
by measuring propagation velocity or propagation time of acoustic waves · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N29/024 |
| Official title | by measuring propagation velocity or propagation time of acoustic waves |
| Display label | by measuring propagation velocity or propagation time of acoustic waves |
| Total patents | 656 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 43 |
| 2017 | 63 |
| 2018 | 50 |
| 2019 | 68 |
| 2020 | 78 |
| 2021 | 73 |
| 2022 | 69 |
| 2023 | 72 |
| 2024 | 48 |
| 2025 | 51 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for measuring properties with ultrasound
US-2016363561-A1 · Dec 15, 2016 · US
Tomographic imaging of multiphase flows
US-2016335759-A1 · Nov 17, 2016 · US
Device And Method For Controlling Deposit Formation
US-2016311714-A1 · Oct 27, 2016 · US
Acoustic ambient temperature and humidity sensing
US-2016299014-A1 · Oct 13, 2016 · US
Method and system for engine cooling system control
US-9458759-B2 · Oct 4, 2016 · US
Determining the heat flow emanating from a heat transporting fluid
US-9429484-B2 · Aug 30, 2016 · US
Tomographic imaging of multiphase flows
US-9424674-B2 · Aug 23, 2016 · US
Method for noninvasive determination of acoustic properties of fluids inside pipes
US-9404890-B2 · Aug 2, 2016 · US
Apparatus for and method of monitoring condensed water in steam pipes at high temperature
US-9404891-B2 · Aug 2, 2016 · US
Liquid-liquid separator interface detection system and polymerization process utilizing the same
US-2016206974-A1 · Jul 21, 2016 · US
Apparatus, system and process for characterizing multiphase fluids in a fluid flow stream
US-9383238-B2 · Jul 5, 2016 · US
In-well full-bore multiphase flowmeter for horizontal wellbores
US-9383476-B2 · Jul 5, 2016 · US
Ultrasonic Rag Layer Detection System And Method For Its Use
US-2016169839-A1 · Jun 16, 2016 · US
Acoustic standoff and mud velocity using a stepped transmitter
US-9366133-B2 · Jun 14, 2016 · US
Device for detecting change in underground medium
US-2016146760-A1 · May 26, 2016 · US
Multi-phase ultrasonic pipe flow meter
US-9347807-B2 · May 24, 2016 · US
Fluid density stratification location system, device and method
US-9343055-B2 · May 17, 2016 · US
Devices and methods to detect and quantify trace gases
US-9329154-B1 · May 3, 2016 · US
Leak detection using acoustic wave transducer
US-2016109322-A1 · Apr 21, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N29/024?
- CPC G01N29/024 is the Cooperative Patent Classification code for “by measuring propagation velocity or propagation time of acoustic waves.”
- How many patents are filed under CPC G01N29/024 (by measuring propagation velocity or propagation time of acoustic waves)?
- Our database includes 656 publications tagged with this CPC code.
- Is patent activity under CPC G01N29/024 growing?
- Publication counts under this code: 48 in 2024 vs 51 in 2025 (latest complete years).