Velocity measurement by decorrelation ratio of structured optical signals
US-2026016499-A1 · Jan 15, 2026 · 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 | G01P5/22 |
| Official title | using auto-correlation or cross-correlation detection means |
| Display label | using auto-correlation or cross-correlation detection means |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for simultaneous measurement of flow-field velocity and temperature, and storage medium
US-2025334605-A1 · Oct 30, 2025 · US
Fluid conductivity sensor based on magneto-inductive power transfer dissipation
US-2025102338-A1 · Mar 27, 2025 · US
Method for morphology identification, trajectory tracking and velocity measurement of high-concentration microbubbles
US-11875515-B2 · Jan 16, 2024 · US
Fluid measurement system and fluid measurement method
US-2023384340-A1 · Nov 30, 2023 · US
Method for morphology identification, trajectory tracking and velocity measurement of high-concentration microbubbles
US-2023326038-A1 · Oct 12, 2023 · US
Flow rate measuring method, flow rate measuring device, and program
US-11231436-B2 · Jan 25, 2022 · US
Method of detecting fluid flows, corresponding device and computer program product
US-11187563-B2 · Nov 30, 2021 · US
Flow rate measuring method, flow rate measuring device, and program
US-2021102969-A1 · Apr 8, 2021 · US
Speckle measurement apparatus and speckle measurement method
US-10801831-B2 · Oct 13, 2020 · US
Estimates of Flow Velocity With Controlled Spatio-Temporal Variations in Contrast Media Properties
US-2020271497-A1 · Aug 27, 2020 · US
Velocity bias compensation for swimmer position tracking
US-10641905-B2 · May 5, 2020 · US
Angle independent velocity spectrum determination
US-10359515-B2 · Jul 23, 2019 · US
Method of detecting fluid flows, corresponding device and computer program product
US-2019212177-A1 · Jul 11, 2019 · US
Online measuring method of particle velocity in multiphase system
US-10247750-B2 · Apr 2, 2019 · US
Speckle measurement apparatus and speckle measurement method
US-2019094009-A1 · Mar 28, 2019 · US
Velocity bias compensation for swimmer position tracking
US-2019086552-A1 · Mar 21, 2019 · US
Information processing apparatus, speckle imaging system, and information processing method
US-2018344176-A1 · Dec 6, 2018 · US
Optical flow sensor, methods, remote controller device, and rotatable electronic device
US-2018348032-A1 · Dec 6, 2018 · US
Online measuring method of particle velocity in multiphase system
US-2017299620-A1 · Oct 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01P5/22?
- CPC G01P5/22 is the Cooperative Patent Classification code for “using auto-correlation or cross-correlation detection means.”
- How many patents are filed under CPC G01P5/22 (using auto-correlation or cross-correlation detection means)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC G01P5/22 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).