Device for evaluating integrity of underground structure by using electromagnetic wave
US-12509844-B2 · Dec 30, 2025 · US
Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N33/38 |
| Official title | Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass |
| Display label | Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass |
| Total patents | 63 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12509844-B2 · Dec 30, 2025 · US
US-12492950-B2 · Dec 9, 2025 · US
US-2025264320-A1 · Aug 21, 2025 · US
US-12379365-B2 · Aug 5, 2025 · US
US-2025084608-A1 · Mar 13, 2025 · US
US-2025076276-A1 · Mar 6, 2025 · US
US-12146842-B2 · Nov 19, 2024 · US
US-2024295542-A1 · Sep 5, 2024 · US
US-2024264140-A1 · Aug 8, 2024 · US
US-12025608-B2 · Jul 2, 2024 · US
US-12000788-B1 · Jun 4, 2024 · US
US-2024085582-A1 · Mar 14, 2024 · US
US-2023400419-A1 · Dec 14, 2023 · US
US-11767272-B2 · Sep 26, 2023 · US
US-11753751-B2 · Sep 12, 2023 · US
US-11740187-B2 · Aug 29, 2023 · US
US-2023258621-A1 · Aug 17, 2023 · US
US-2023258509-A1 · Aug 17, 2023 · US
US-11714071-B2 · Aug 1, 2023 · US
US-2023133229-A1 · May 4, 2023 · US
Answers are generated from the same data shown on this page.