A method for automatically detecting, by means of computerized processing, of thermal information about a surface of a brake disc under dynamic operting conditions
US-2025050859-A1 · Feb 13, 2025 · US
Single beam
Single beam · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J2003/421 |
| Official title | {Single beam} |
| Display label | Single beam |
| Total patents | 31 |
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 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spectrophotometer
US-2025052613-A1 · Feb 13, 2025 · US
Coffee bean analysis system and coffee machine with coffee bean analysis
US-2024415321-A1 · Dec 19, 2024 · US
System, apparatus and methods for detecting methane leak
US-11774355-B1 · Oct 3, 2023 · US
Terahertz spectroscopy and imaging in dynamic environments
US-11513004-B2 · Nov 29, 2022 · US
Gas measurement system
US-11327008-B2 · May 10, 2022 · US
Infrared sensor and infrared gas detector
US-11187653-B2 · Nov 30, 2021 · US
Terahertz spectroscopy and imaging in dynamic environments with spectral response enhancements
US-11099072-B2 · Aug 24, 2021 · US
Infrared sensor and infrared gas detector
US-2021156795-A1 · May 27, 2021 · US
Far-infrared spectroscopic device and far-infrared spectroscopic method
US-11016023-B1 · May 25, 2021 · US
Far-Infrared Spectroscopic Device and Far-Infrared Spectroscopic Method
US-2021131957-A1 · May 6, 2021 · US
Terahertz spectroscopy and imaging in dynamic environments
US-2021041292-A1 · Feb 11, 2021 · US
Terahertz spectroscopy and imaging in dynamic environments with spectral response enhancements
US-2021041293-A1 · Feb 11, 2021 · US
Terahertz sensor module for spectroscopy and imaging
US-2021041295-A1 · Feb 11, 2021 · US
Gas analyzer
US-10871398-B2 · Dec 22, 2020 · US
Spectral detector
US-2020158569-A1 · May 21, 2020 · US
Optical Detecting Apparatus
US-2020096441-A1 · Mar 26, 2020 · US
Gas measurement system
US-2020072740-A1 · Mar 5, 2020 · US
Gas analyzer
US-2019316965-A1 · Oct 17, 2019 · US
Image generation device
US-2019310464-A1 · Oct 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01J2003/421?
- CPC G01J2003/421 is the Cooperative Patent Classification code for “Single beam.”
- How many patents are filed under CPC G01J2003/421 (Single beam)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC G01J2003/421 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).