Method for estimating sulfur component concentration in gasoline
US-2021156797-A1 · May 27, 2021 · US
Sulfur content
Sulfur content · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N33/287 |
| Official title | {Sulfur content} |
| Display label | Sulfur content |
| Total patents | 104 |
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 | 6 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 15 |
| 2020 | 15 |
| 2021 | 14 |
| 2022 | 5 |
| 2023 | 16 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and downhole tools for measuring hydrogen sulfide in downhole fluids
US-10882741-B2 · Jan 5, 2021 · US
System and method of characterizing crude oil and its derivatives by combining total sulfur determination and ft-icr mass spectrometry
US-2020400645-A1 · Dec 24, 2020 · US
System and method for diagnosing a condition of an engine
US-2020392863-A1 · Dec 17, 2020 · US
Determination of total base number in lubricants
US-10845356-B2 · Nov 24, 2020 · US
Device, system, and method for analyzing transformer oil
US-2020355668-A1 · Nov 12, 2020 · US
Method of analyzing fuel component using an RF sensor for a vehicle
US-10753302-B2 · Aug 25, 2020 · US
Method of crude oil analysis
US-10690605-B1 · Jun 23, 2020 · US
Procedure for measuring total reactive sulfur
US-2020191762-A1 · Jun 18, 2020 · US
System for analyzing fuel components using an rf sensor device for a vehicle
US-2020116662-A1 · Apr 16, 2020 · US
Rf sensor device for a vehicle and method of analyzing fuel component using the same
US-2020096466-A1 · Mar 26, 2020 · US
Screening method for assessing the h2s release capacity of a sulfur containing sample
US-2020096492-A1 · Mar 26, 2020 · US
Quantifying organic and inorganic sulfur components in petroleum material
US-2020088708-A1 · Mar 19, 2020 · US
Method of analyzing fuel component using an rf sensor for a vehicle
US-2020072147-A1 · Mar 5, 2020 · US
Quantifying organic and inorganic sulfur components
US-10564142-B2 · Feb 18, 2020 · US
Viscosity reduction of crude oil through structure determination of asphaltene molecule
US-2020032147-A1 · Jan 30, 2020 · US
Methods for determining residual surfactant concentrations in oil and water phases
US-2020033315-A1 · Jan 30, 2020 · US
Sampling chamber with hydrogen sulfide-reactive scavenger
US-2019390548-A1 · Dec 26, 2019 · US
Exhaust gas analysis method and exhaust gas analysis system
US-2019353106-A1 · Nov 21, 2019 · US
Methods of measuring hydrogen sulfide concentrations in reservoir fluids
US-10451604-B2 · Oct 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N33/287?
- CPC G01N33/287 is the Cooperative Patent Classification code for “Sulfur content.”
- How many patents are filed under CPC G01N33/287 (Sulfur content)?
- Our database includes 104 publications tagged with this CPC code.
- Is patent activity under CPC G01N33/287 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).