Method for rapidly determining sulfur content in a plurality of samples
US-10458964-B2 · Oct 29, 2019 · US
using combustion (G01N25/20 takes precedence)
using combustion (G01N25/20 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N31/12 |
| Official title | using combustion (G01N25/20 takes precedence) |
| Display label | using combustion (G01N25/20 takes precedence) |
| Total patents | 195 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 11 |
| 2019 | 24 |
| 2020 | 23 |
| 2021 | 17 |
| 2022 | 22 |
| 2023 | 26 |
| 2024 | 16 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Analysis condition adjusting device of simple fuel analyzer
US-2019285601-A1 · Sep 19, 2019 · US
Sample Preparation Apparatus and Method for Elemental Analysis Spectrometer
US-2019272987-A1 · Sep 5, 2019 · US
Systems and methods for determining the composition of gaseous fuel
US-10393721-B2 · Aug 27, 2019 · US
Identification of combustible gas species via pulsed operation of a combustible gas sensor
US-2019212288-A1 · Jul 11, 2019 · US
Method for estimating the quantity of free hydrocarbons in a sample of sedimentary rock
US-2019107522-A1 · Apr 11, 2019 · US
Method for rapidly determining sulfur content in a plurality of samples
US-2019101514-A1 · Apr 4, 2019 · US
Rapid sample ignition test system
US-2019093622-A1 · Mar 28, 2019 · US
Systems and methods for non-flammable indication of incendivity
US-2019072535-A1 · Mar 7, 2019 · US
Oven insulation arrangement
US-2019049417-A1 · Feb 14, 2019 · US
Analysis device
US-2018348153-A1 · Dec 6, 2018 · US
Systems and methods for non-flammable indication of incendivity
US-10145834-B2 · Dec 4, 2018 · US
Gas-flammability sensing systems and methods
US-2018208324-A1 · Jul 26, 2018 · US
System and method for controlling one or more process parameters associated with a combustion process
US-10018356-B2 · Jul 10, 2018 · US
Pyrolysis to determine hydrocarbon expulsion efficiency of hydrocarbon source rock
US-2018134964-A1 · May 17, 2018 · US
Identification of combustible gas species via pulsed operation of a combustible gas sensor
US-2018128763-A1 · May 10, 2018 · US
Sample Preparation Apparatus and Method for Elemental Analysis Spectrometer
US-2018076013-A1 · Mar 15, 2018 · US
Combustion tube and seal assembly
US-9879915-B2 · Jan 30, 2018 · US
Systems and methods for non-flammable indication of incendivity
US-2018024105-A1 · Jan 25, 2018 · US
Cylindrical combustion tube and mounting assembly
US-9874399-B2 · Jan 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N31/12?
- CPC G01N31/12 is the Cooperative Patent Classification code for “using combustion (G01N25/20 takes precedence).”
- How many patents are filed under CPC G01N31/12 (using combustion (G01N25/20 takes precedence))?
- Our database includes 195 publications tagged with this CPC code.
- Is patent activity under CPC G01N31/12 growing?
- Publication counts under this code: 16 in 2024 vs 16 in 2025 (latest complete years).