Method to prepare virtual assay using gel permeation chromatography
US-12241883-B2 · Mar 4, 2025 · US
by measuring cloud point or pour point of oils
by measuring cloud point or pour point of oils · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N33/2811 |
| Official title | {by measuring cloud point or pour point of oils} |
| Display label | by measuring cloud point or pour point of oils |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cold filter plugging point prediction using spectroscopy
US-2025067665-A1 · Feb 27, 2025 · US
Method to prepare virtual assay using fourier transform infrared spectroscopy
US-11913332-B2 · Feb 27, 2024 · US
Method for determining at least one parameter that represents a change in a fluid by multi-point near-infrared spectroscopy
US-11788954-B2 · Oct 17, 2023 · US
Real time integrity monitoring of on-shore pipes
US-2023324010-A1 · Oct 12, 2023 · US
Method to prepare virtual assay using thermogravimetric analysis
US-2023273178-A1 · Aug 31, 2023 · US
Method to prepare virtual assay using simulated distillation
US-2023273177-A1 · Aug 31, 2023 · US
Method to prepare virtual assay using fourier transform infrared spectroscopy
US-2023272714-A1 · Aug 31, 2023 · US
Method to prepare virtual assay using gel permeation chromatography
US-2023271108-A1 · Aug 31, 2023 · US
Method to prepare virtual assay using high pressure liquid chromatography
US-2023273176-A1 · Aug 31, 2023 · US
Real time integrity monitoring of on-shore pipes
US-11680685-B2 · Jun 20, 2023 · US
Method for measuring aromatic contents in hydrocarbon solution
US-11391684-B2 · Jul 19, 2022 · US
Real time integrity monitoring of on-shore pipes
US-2022146053-A1 · May 12, 2022 · US
Real time integrity monitoring of on-shore pipes
US-11231145-B2 · Jan 25, 2022 · US
Method for determining at least one parameter that represents a change in a fluid by multi-point near-infrared spectroscopy
US-2022003666-A1 · Jan 6, 2022 · US
Real time integrity monitoring of on-shore pipes
US-2021293388-A1 · Sep 23, 2021 · US
Low sulfur fuel with adequate combustion quality
US-11099144-B2 · Aug 24, 2021 · US
Microfluidic determination of wax appearance temperature
US-11015434-B2 · May 25, 2021 · US
Real time integrity monitoring of on-shore pipes
US-10948130-B2 · Mar 16, 2021 · US
Characterization of crude oil and its fractions by fluorescence spectroscopy analysis
US-10928375-B2 · Feb 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N33/2811?
- CPC G01N33/2811 is the Cooperative Patent Classification code for “by measuring cloud point or pour point of oils.”
- How many patents are filed under CPC G01N33/2811 (by measuring cloud point or pour point of oils)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC G01N33/2811 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).