Electrochemical detector
US-2017370872-A1 · Dec 28, 2017 · US
Reference electrodes
Reference electrodes · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N27/301 |
| Official title | {Reference electrodes} |
| Display label | Reference electrodes |
| Total patents | 583 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 22 |
| 2017 | 37 |
| 2018 | 49 |
| 2019 | 57 |
| 2020 | 64 |
| 2021 | 53 |
| 2022 | 75 |
| 2023 | 63 |
| 2024 | 65 |
| 2025 | 53 |
| 2026 | 28 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical sensor having symmetrically distributed analyte sensitive areas
US-2017367628-A1 · Dec 28, 2017 · US
Contaminant detection device and method
US-2017363572-A1 · Dec 21, 2017 · US
Sensor for monitoring of ethanol
US-9816959-B2 · Nov 14, 2017 · US
Method and apparatus for increasing a lifespan of nanopore-based dna sensing devices
US-2017321342-A1 · Nov 9, 2017 · US
Reference electrode implementation with reduced measurement artifacts
US-2017324119-A1 · Nov 9, 2017 · US
Electrochemical detection system and method of operation
US-9778219-B2 · Oct 3, 2017 · US
Reusable Portable Reversible Hydrogen Electrode for Electrochemical Systems
US-2017269019-A1 · Sep 21, 2017 · US
Soil moisture probing at variable depth
US-2017254766-A1 · Sep 7, 2017 · US
Prostate cancer screening module and method for operating the same
US-2017199146-A1 · Jul 13, 2017 · US
Reference half-cell and electrochemical sensor with the reference half-cell
US-9696273-B2 · Jul 4, 2017 · US
Method for automated production of a workpiece having a diaphragm
US-2017165869-A1 · Jun 15, 2017 · US
Reference electrode
US-2017168004-A1 · Jun 15, 2017 · US
Gas sensor and method for manufacturing gas sensor
US-2017138893-A1 · May 18, 2017 · US
Gas sensor, method for producing conductive paste, and method for manufacturing gas sensor
US-2017138891-A1 · May 18, 2017 · US
Bio sensor and sensing method thereof
US-2017122895-A1 · May 4, 2017 · US
Rapid in situ testing for environmental contamination
US-2017107515-A1 · Apr 20, 2017 · US
System and method for detecting neural injury
US-2017101662-A1 · Apr 13, 2017 · US
Analysis device and analysis method
US-2017074817-A1 · Mar 16, 2017 · US
Detection module and method for operating the same
US-2017059504-A1 · Mar 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N27/301?
- CPC G01N27/301 is the Cooperative Patent Classification code for “Reference electrodes.”
- How many patents are filed under CPC G01N27/301 (Reference electrodes)?
- Our database includes 583 publications tagged with this CPC code.
- Is patent activity under CPC G01N27/301 growing?
- Publication counts under this code: 65 in 2024 vs 53 in 2025 (latest complete years).