Apparatus and method for the non-destructive measurement of hydrogen diffusivity
US-2018313806-A1 · Nov 1, 2018 · US
Concentration cells using liquid electrolytes {measuring currents or voltages in voltaic cells}
Concentration cells using liquid electrolytes {measuring currents or voltages in voltaic cells} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N27/413 |
| Official title | Concentration cells using liquid electrolytes {measuring currents or voltages in voltaic cells} |
| Display label | Concentration cells using liquid electrolytes {measuring currents or voltages in voltaic cells} |
| Total patents | 225 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 23 |
| 2017 | 14 |
| 2018 | 28 |
| 2019 | 17 |
| 2020 | 27 |
| 2021 | 19 |
| 2022 | 20 |
| 2023 | 18 |
| 2024 | 19 |
| 2025 | 11 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ion concentration measurement device
US-2018238829-A1 · Aug 23, 2018 · US
Method for measuring hematocrit value of blood sample, method for measuring concentration of analyte in blood sample, sensor chip and sensor unit
US-2018217081-A1 · Aug 2, 2018 · US
Electrolyte concentration measuring apparatus and measuring method using same
US-10018585-B2 · Jul 10, 2018 · US
Mobile electrochemical air quality meter
US-9983164-B1 · May 29, 2018 · US
Monitoring leveler concentrations in electroplating solutions
US-9856574-B2 · Jan 2, 2018 · US
Electrodes Having at Least One Sensing Structure and Methods for Making and Using the Same
US-2017363564-A1 · Dec 21, 2017 · US
Assay devices with integrated sample dilution and dilution verification and methods of using same
US-9846152-B2 · Dec 19, 2017 · US
Assay devices with integrated sample dilution and dilution verification and methods of using same
US-9841396-B2 · Dec 12, 2017 · US
Devices using gated voltammetry methods
US-9835582-B2 · Dec 5, 2017 · US
Apparatus with a self-cleaning electrode for sensing at least one parameter in water
US-9816962-B2 · Nov 14, 2017 · US
Systems for electrochemical sorting of metals and alloys
US-9797857-B2 · Oct 24, 2017 · US
Assay devices with integrated sample dilution and dilution verification and methods of using same
US-9766232-B2 · Sep 19, 2017 · US
Tsv bath evaluation using field versus feature contrast
US-2017241041-A1 · Aug 24, 2017 · US
Analyte concentrator system and methods of use
US-2017234782-A1 · Aug 17, 2017 · US
Electrochemical gas sensor system
US-9726633-B2 · Aug 8, 2017 · US
Systems and methods for high accuracy analyte measurement
US-2017184542-A1 · Jun 29, 2017 · US
TSV bath evaluation using field versus feature contrast
US-9689083-B2 · Jun 27, 2017 · US
Systems and methods for high accuracy analyte measurement
US-9632054-B2 · Apr 25, 2017 · US
Apparatus, Method and System for Detecting Salt in a Hydrocarbon Fluid
US-2017038332-A1 · Feb 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N27/413?
- CPC G01N27/413 is the Cooperative Patent Classification code for “Concentration cells using liquid electrolytes {measuring currents or voltages in voltaic cells}.”
- How many patents are filed under CPC G01N27/413 (Concentration cells using liquid electrolytes {measuring currents or voltages in voltaic cells})?
- Our database includes 225 publications tagged with this CPC code.
- Is patent activity under CPC G01N27/413 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).