Gas volume determination in fluid
US-2020378811-A1 · Dec 3, 2020 · US
using auto-correlation or cross-correlation detection means
using auto-correlation or cross-correlation detection means · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F1/712 |
| Official title | using auto-correlation or cross-correlation detection means |
| Display label | using auto-correlation or cross-correlation detection means |
| Total patents | 133 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 5 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 18 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Signal processing circuit and related chip, flow meter and method
US-2020278228-A1 · Sep 3, 2020 · US
Estimates of Flow Velocity with Controlled Spatio-Temporal Variations in Contract Media Properties
US-2020271498-A1 · Aug 27, 2020 · US
Tomography apparatus, multi-phase flow monitoring system, and corresponding methods
US-10732017-B2 · Aug 4, 2020 · US
Circumferential Resonance Flowmeter
US-2020209029-A1 · Jul 2, 2020 · US
Optical flow sensor, methods, remote controller device, and rotatable electronic device
US-10612951-B2 · Apr 7, 2020 · US
Simultaneous real-time measurement of composition, flow, attenuation, density, and pipe-wallthickness in multiphase fluids
US-2020088686-A1 · Mar 19, 2020 · US
Method and system for measuring steam mass flow
US-10591327-B2 · Mar 17, 2020 · US
Flow velocity distribution measuring method and particle size measuring method
US-2020064169-A1 · Feb 27, 2020 · US
Metering system for three-phase oil flow in horizontal pipeline
US-10527470-B1 · Jan 7, 2020 · US
Method and system for measuring steam mass flow
US-2019390988-A1 · Dec 26, 2019 · US
Ultrasonic transducer system and method using selective interleaved excitation pulse frequency
US-2019360849-A1 · Nov 28, 2019 · US
Method for controlling an apparatus for ultrasonically measuring the flow rate of a fluid in a measuring channel
US-10480972-B2 · Nov 19, 2019 · US
Multiphase vortex flow meter
US-10473501-B2 · Nov 12, 2019 · US
In-line methods and apparatuses for determining the composition of an emulsified drilling fluid
US-10435967-B2 · Oct 8, 2019 · US
Ultrasonic transducer system and method using selective interleaved excitation pulse frequency
US-10378938-B2 · Aug 13, 2019 · US
In-Line Methods And Apparatuses For Determining The Composition Of An Emulsified Drilling Fluid
US-2019242203-A1 · Aug 8, 2019 · US
Measuring rod for verification of a flowing medium in a tube and respective measuring arrangements
US-10359410-B2 · Jul 23, 2019 · US
Systems and methods for improved physiological monitoring
US-10338029-B2 · Jul 2, 2019 · US
In-line methods and apparatuses for determining the composition of an emulsified drilling fluid
US-10309173-B2 · Jun 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F1/712?
- CPC G01F1/712 is the Cooperative Patent Classification code for “using auto-correlation or cross-correlation detection means.”
- How many patents are filed under CPC G01F1/712 (using auto-correlation or cross-correlation detection means)?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC G01F1/712 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).