Apparatus and process for detecting a target gas using multiple detector-compensator pairs
US-2024418664-A1 · Dec 19, 2024 · US
on combustion or catalytic oxidation, e.g. of components of gas mixtures
on combustion or catalytic oxidation, e.g. of components of gas mixtures · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N25/22 |
| Official title | on combustion or catalytic oxidation, e.g. of components of gas mixtures |
| Display label | on combustion or catalytic oxidation, e.g. of components of gas mixtures |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion monitoring device and combustion monitoring program
US-2023393086-A1 · Dec 7, 2023 · US
Control of N-(phosphonomethyl)iminodiacetic acid conversion manufacture of glyphosate
US-11802835-B2 · Oct 31, 2023 · US
Calorific value
US-2023324319-A1 · Oct 12, 2023 · US
Gas measuring device
US-2023314354-A1 · Oct 5, 2023 · US
Catalytic Combustion Type Hydrogen Sensor and Method for Manufacturing Same
US-2023221271-A1 · Jul 13, 2023 · US
Elemental analysis device
US-2023098544-A1 · Mar 30, 2023 · US
Evaluation method for hydrocarbon expulsion of post- to over-mature marine source rocks
US-2023056738-A1 · Feb 23, 2023 · US
Information processing apparatus, information processing method, and information processing program
US-11579102-B2 · Feb 14, 2023 · US
Gas sensor comprising composite structure including graphene and metal particle bonded to each other and method for manufacturing same
US-11573196-B2 · Feb 7, 2023 · US
Gas detection device and gas detection process with a detector and with a modulator
US-2022260512-A1 · Aug 18, 2022 · US
Catalyst for a gas sensor and a contact combustion type gas sensor having the same
US-2022178856-A1 · Jun 9, 2022 · US
Low-cost quantitative photothermal genetic detection of pathogens on a paper hybrid device
US-2022113268-A1 · Apr 14, 2022 · US
Measuring instrument for determining the gross or net calorific value of a hydrocarbon-containing fuel gas
US-2022065790-A1 · Mar 3, 2022 · US
Control of n-(phosphonomethyl)iminodiacetic acid conversion manufacture of glyphosate
US-2021381962-A1 · Dec 9, 2021 · US
Emission monitoring of flare systems
US-2021372864-A1 · Dec 2, 2021 · US
Gas Sensor with a Gas Permeable Region
US-2021247345-A1 · Aug 12, 2021 · US
Control of n-(phosphonomethyl)iminodiacetic acid conversion in manufacture of glyphosate
US-11067502-B2 · Jul 20, 2021 · US
Gas sensor with a gas permeable region
US-11022576-B2 · Jun 1, 2021 · US
Method for measuring amount of residual resin material in porous metal body
US-10908105-B2 · Feb 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N25/22?
- CPC G01N25/22 is the Cooperative Patent Classification code for “on combustion or catalytic oxidation, e.g. of components of gas mixtures.”
- How many patents are filed under CPC G01N25/22 (on combustion or catalytic oxidation, e.g. of components of gas mixtures)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC G01N25/22 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).