Defect detection device
US-11391700-B2 · Jul 19, 2022 · US
by speckle- or shearing interferometry
by speckle- or shearing interferometry · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01B11/162 |
| Official title | {by speckle- or shearing interferometry} |
| Display label | by speckle- or shearing interferometry |
| Total patents | 91 |
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 | 6 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultra-sensitive speckle analyzing system
US-11391563-B2 · Jul 19, 2022 · US
Defect inspection apparatus
US-11226294-B2 · Jan 18, 2022 · US
Computational shear by phase stepped speckle holography
US-2022011091-A1 · Jan 13, 2022 · US
Electronic Speckle Pattern Interferometer (ESPI) for long-range measurement of displacement of materials within hazardous environments
US-2021372921-A1 · Dec 2, 2021 · US
Method, device and electronic apparatus for estimating physical parameter by discrete chirp fourier transform
US-11156450-B2 · Oct 26, 2021 · US
Geometric phase shearography system and method thereof
US-2021293526-A1 · Sep 23, 2021 · US
Apparatus and method for facilitating a vacuum bagging operation during fabrication of a composite laminate
US-11110668-B2 · Sep 7, 2021 · US
Defect detection device
US-2021270777-A1 · Sep 2, 2021 · US
Composite Laminate Damage Detection Method Using an In-Situ Thermal Gradient and Expansion Differences Across the Damage
US-2021245897-A1 · Aug 12, 2021 · US
Ultra-sensitive speckle analyzing system
US-2021247180-A1 · Aug 12, 2021 · US
Defect inspection apparatus
US-2021080399-A1 · Mar 18, 2021 · US
Systems and methods for simulation of shearographic imaging
US-10931899-B1 · Feb 23, 2021 · US
Shearography detection and classification
US-10914573-B2 · Feb 9, 2021 · US
High speed vacuum cycling excitation system for optical inspection systems
US-10876943-B2 · Dec 29, 2020 · US
Shearography detection and classification
US-2020378751-A1 · Dec 3, 2020 · US
Multiscale deformation measurements leveraging tailorable and multispectral speckle patterns
US-10845187-B2 · Nov 24, 2020 · US
Common lens transmitter for motion compensated illumination
US-2020363185-A1 · Nov 19, 2020 · US
Component heating sub-systems and methods for laser shearography testing systems
US-10837761-B1 · Nov 17, 2020 · US
Method, device and electronic apparatus for estimating physical parameter by discrete chirp fourier transform
US-2020355487-A1 · Nov 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B11/162?
- CPC G01B11/162 is the Cooperative Patent Classification code for “by speckle- or shearing interferometry.”
- How many patents are filed under CPC G01B11/162 (by speckle- or shearing interferometry)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC G01B11/162 growing?
- Publication counts under this code: 11 in 2024 vs 3 in 2025 (latest complete years).