Determination of characteristics of electrochemical systems using acoustic signals
US-11193979-B2 · Dec 7, 2021 · US
using auto-correlation techniques or cross-correlation techniques
using auto-correlation techniques or cross-correlation techniques · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N29/50 |
| Official title | using auto-correlation techniques or cross-correlation techniques |
| Display label | using auto-correlation techniques or cross-correlation techniques |
| Total patents | 117 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 19 |
| 2020 | 9 |
| 2021 | 15 |
| 2022 | 19 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positioning method for specific sound source
US-2021199533-A1 · Jul 1, 2021 · US
Nondestructive multispectral vibrothermography inspection system and method therefor
US-11047819-B2 · Jun 29, 2021 · US
Non-Destructive Concrete Stress Evaluation
US-2021164945-A1 · Jun 3, 2021 · US
Fluid consumption meter with noise sensor
US-10921288-B2 · Feb 16, 2021 · US
Photoacoustic explosives detectors
US-2021018466-A1 · Jan 21, 2021 · US
Ultrasonic Transducer System and Method for Bi-Modal System Responses
US-2020408725-A1 · Dec 31, 2020 · US
Vibratory system lubrication remaining useful life
US-2020378554-A1 · Dec 3, 2020 · US
Vibratory system lubrication remaining useful life
US-10851942-B1 · Dec 1, 2020 · US
Ultrasonic transducer system and method for bi-modal system responses
US-10809235-B2 · Oct 20, 2020 · US
Propagation time measurement machine, gas concentration measurement device, propagation time measurement program, and propagation time measurement method
US-2020264136-A1 · Aug 20, 2020 · US
Computer and automatic protection method thereof
US-10725852-B2 · Jul 28, 2020 · US
Diagnostic device and diagnostic method
US-10620164-B2 · Apr 14, 2020 · US
Systems and methods of capturing transient elastic vibrations in bodies using arrays of transducers for increased signal to noise ratio and source directionality
US-10598635-B2 · Mar 24, 2020 · US
Computer and automatic protection method thereof
US-2020081764-A1 · Mar 12, 2020 · US
Ultrasonic inspection of railroad tracks
US-2019346408-A1 · Nov 14, 2019 · US
Method and system for controlling the integrated health of a mechanical structure by diffuse elastic waves
US-2019317056-A1 · Oct 17, 2019 · US
Sensor module
US-2019317055-A1 · Oct 17, 2019 · US
Sensor module system
US-2019320244-A1 · Oct 17, 2019 · US
Turbidity sensor based on ultrasound measurements
US-2019285587-A1 · Sep 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N29/50?
- CPC G01N29/50 is the Cooperative Patent Classification code for “using auto-correlation techniques or cross-correlation techniques.”
- How many patents are filed under CPC G01N29/50 (using auto-correlation techniques or cross-correlation techniques)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC G01N29/50 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).