X-ray inspection apparatus and method of inspection with x-rays
US-2023384247-A1 · Nov 30, 2023 · US
filters, rotating filter disc
filters, rotating filter disc · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N2223/313 |
| Official title | filters, rotating filter disc |
| Display label | filters, rotating filter disc |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 10 |
| 2021 | 18 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems, devices, and methods for multisource volumetric spectral computed tomography
US-2023375484-A1 · Nov 23, 2023 · US
Radiation imaging apparatus and radiographing system
US-2023236138-A1 · Jul 27, 2023 · US
Systems and methods for signal electron detection
US-2023137186-A1 · May 4, 2023 · US
Detection scheme for x-ray small angle scattering
US-11592406-B2 · Feb 28, 2023 · US
Shutter assembly for x-ray detection
US-11577320-B2 · Feb 14, 2023 · US
X-ray filter
US-11506709-B2 · Nov 22, 2022 · US
System and method for high-resolution high contrast x-ray ghost diffraction
US-11402342-B2 · Aug 2, 2022 · US
Detection scheme for x-ray small angle scattering
US-2022221413-A1 · Jul 14, 2022 · US
Detection scheme for x-ray small angle scattering
US-11313814-B2 · Apr 26, 2022 · US
X-ray imaging system and method
US-11284847-B2 · Mar 29, 2022 · US
Shutter Assembly for X-Ray Detection
US-2022011252-A1 · Jan 13, 2022 · US
X-ray imaging system and method
US-2021401384-A1 · Dec 30, 2021 · US
Soft X-Ray Optics With Improved Filtering
US-2021404979-A1 · Dec 30, 2021 · US
Dual-energy CT through primary beam modulation
US-11172893-B2 · Nov 16, 2021 · US
System and method for imaging a subject
US-2021345978-A1 · Nov 11, 2021 · US
System, method, and apparatus for x-ray backscatter inspection of parts
US-11169098-B2 · Nov 9, 2021 · US
Filter system for the local attenuation of X-radiation, X-ray apparatus and method for locally changing the intensity of X-radiation
US-11158436-B2 · Oct 26, 2021 · US
Soft x-ray optics with improved filtering
US-11143604-B1 · Oct 12, 2021 · US
System, method, and apparatus for x-ray backscatter inspection of parts
US-2021310967-A1 · Oct 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N2223/313?
- CPC G01N2223/313 is the Cooperative Patent Classification code for “filters, rotating filter disc.”
- How many patents are filed under CPC G01N2223/313 (filters, rotating filter disc)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC G01N2223/313 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).