Measuring probe for molten metal
US-2025321214-A1 · Oct 16, 2025 · US
Gaseous constituents
Gaseous constituents · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N33/2025 |
| Official title | Gaseous constituents |
| Display label | Gaseous constituents |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Element to measure the oxygen content of molten metals
US-2025314612-A1 · Oct 9, 2025 · US
Element to measure the oxygen content of molten metals
US-2025314611-A1 · Oct 9, 2025 · US
Oxygen potentiometric probe, for the measurement of the oxygen concentration of a liquid metal, application to the measurement of oxygen in liquid sodium of a nuclear reactor of type RNR-Na
US-12241858-B2 · Mar 4, 2025 · US
Storage hydrogen amount estimation method and device
US-12216106-B2 · Feb 4, 2025 · US
Method for evaluating the hydrogen content in a steel sheet
US-2025035607-A1 · Jan 30, 2025 · US
Film sensor and hydrogen detection system
US-2024345057-A1 · Oct 17, 2024 · US
Systems and methods for determining concentrations of mobile hydrogen of metallic objects and/or reducing concentrations of mobile hydrogen of metallic objects
US-11953488-B2 · Apr 9, 2024 · US
Possibility Evaluation Method of White Structure Flaking and Measurement Device Used For Evaluation Method
US-2024052882-A1 · Feb 15, 2024 · US
Delayed fracture characteristic evaluation method and program
US-2024044760-A1 · Feb 8, 2024 · US
Ambient-hydrogen-level assessment method and white-structure-damage-likelihood prediction method
US-11828698-B2 · Nov 28, 2023 · US
Method and apparatus for demolding and analyzing a direct analysis sample
US-11662277-B2 · May 30, 2023 · US
In-situ HIC growth monitoring probe
US-11630054-B2 · Apr 18, 2023 · US
Apparatus and method for the non-destructive measurement of hydrogen diffusivity
US-11624743-B2 · Apr 11, 2023 · US
Decarburization end point determination method, decarburization end point determination device, secondary refining operation method for steel making, and method for producing molten steel
US-2023083264-A1 · Mar 16, 2023 · US
Storage Hydrogen Amount Estimation Method and Device
US-2022412941-A1 · Dec 29, 2022 · US
Hydrogen permeability testing device
US-2022373506-A1 · Nov 24, 2022 · US
Systems and methods for determining concentrations of mobile hydrogen of metallic objects and/or reducing concentrations of mobile hydrogen of metallic objects
US-2022221439-A1 · Jul 14, 2022 · US
OXYGEN POTENTIOMETRIC PROBE, FOR THE MEASUREMENT OF THE OXYGEN CONCENTRATION OF A LIQUID METAL, APPLICATION TO THE MEASUREMENT OF OXYGEN IN LIQUID SODIUM OF A NUCLEAR REACTOR OF TYPE RNR-Na
US-2021396707-A1 · Dec 23, 2021 · US
Element analysis device and element analysis method
US-2021318267-A1 · Oct 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N33/2025?
- CPC G01N33/2025 is the Cooperative Patent Classification code for “Gaseous constituents.”
- How many patents are filed under CPC G01N33/2025 (Gaseous constituents)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC G01N33/2025 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).