Systems and methods for compound concentration sensing in fluids
US-2026043739-A1 · Feb 12, 2026 · US
and memorised spectra collection
and memorised spectra collection · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J2003/2833 |
| Official title | {and memorised spectra collection} |
| Display label | and memorised spectra collection |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for compound concentration sensing in fluids
US-12474258-B2 · Nov 18, 2025 · US
Per-frequency correction of spectroscopic interference
US-2025137921-A1 · May 1, 2025 · US
Heat assisted detection and ranging based on spectropolarimetric imaging
US-2025060251-A1 · Feb 20, 2025 · US
Blending process end point detection
US-12216005-B2 · Feb 4, 2025 · US
Prior-knowledge-based spectral unmixing methods
US-2025020821-A1 · Jan 16, 2025 · US
Systems and methods for determining protein concentrations of unknown protein samples based on automated multi-wavelength calibration
US-12181404-B2 · Dec 31, 2024 · US
Systems and methods for ph sensing in fluids
US-2024402078-A1 · Dec 5, 2024 · US
Measuring the human skin age through near-infrared spectroscopy
US-2024398331-A1 · Dec 5, 2024 · US
Heat assisted detection and ranging based on spectropolarimetric imaging
US-12135240-B2 · Nov 5, 2024 · US
Spectral measurement device and spectral measurement method
US-12102430-B2 · Oct 1, 2024 · US
Method of performing color calibration of multispectral image sensor and image capturing apparatus
US-2024302210-A1 · Sep 12, 2024 · US
Spectral measurement device and spectral measurement method
US-2024268719-A1 · Aug 15, 2024 · US
Object recognition apparatus and operation method thereof
US-12055494-B2 · Aug 6, 2024 · US
Systems and methods for pH sensing in fluids
US-12007324-B2 · Jun 11, 2024 · US
Downhole optical emission spectroscopy
US-11965418-B2 · Apr 23, 2024 · US
Blending process end point detection
US-2024068869-A1 · Feb 29, 2024 · US
Blending process end point detection
US-11860035-B2 · Jan 2, 2024 · US
Method and apparatus for detecting foreign object
US-2023368487-A1 · Nov 16, 2023 · US
Heat assisted detection and ranging based on spectropolarimetric imaging
US-2023341265-A1 · Oct 26, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01J2003/2833?
- CPC G01J2003/2833 is the Cooperative Patent Classification code for “and memorised spectra collection.”
- How many patents are filed under CPC G01J2003/2833 (and memorised spectra collection)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC G01J2003/2833 growing?
- Publication counts under this code: 12 in 2024 vs 5 in 2025 (latest complete years).