Electric conductivity detector and ion chromatograph
US-2019369066-A1 · Dec 5, 2019 · US
Electrical detectors
Electrical detectors · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N30/64 |
| Official title | Electrical detectors |
| Display label | Electrical detectors |
| Total patents | 228 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 20 |
| 2019 | 22 |
| 2020 | 24 |
| 2021 | 27 |
| 2022 | 27 |
| 2023 | 30 |
| 2024 | 24 |
| 2025 | 15 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separation devices and sensors including two dimensional materials that change properties when exposed to components separated from a sample
US-10481135-B1 · Nov 19, 2019 · US
Method for determining dimethyl disulphide
US-10422778-B2 · Sep 24, 2019 · US
Detector for gas chromatography
US-2019250131-A1 · Aug 15, 2019 · US
Method of cleaning detection cell of electron capture detector, analysis method, detection cell of electron capture detector, electron capture detector, and analytical device
US-2019025261-A1 · Jan 24, 2019 · US
Dielectric barrier discharge ionization detector and method for tuning the same
US-10161906-B2 · Dec 25, 2018 · US
Techniques for determining equilibration and stability in scientific instrument systems
US-2018364205-A1 · Dec 20, 2018 · US
Sensor for detecting a liquid in a fluid channel
US-10156537-B2 · Dec 18, 2018 · US
Gas chromatograph
US-2018284078-A1 · Oct 4, 2018 · US
Methods for quantifying n-methyl-2-pyrrolidone
US-2018284084-A1 · Oct 4, 2018 · US
Method for determining dimethyl disulphide
US-2018267002-A1 · Sep 20, 2018 · US
Differential viscometer with solvent compressibility correction
US-2018188146-A1 · Jul 5, 2018 · US
Method and device for receiving a droplet
US-10006889-B2 · Jun 26, 2018 · US
Method of measuring an analyte with a reductive detection waveform
US-2018172621-A1 · Jun 21, 2018 · US
Microfluidic photoionization detector
US-2018164261-A1 · Jun 14, 2018 · US
Gas chromatography-ion mobility spectrometry apparatus
US-2018164262-A1 · Jun 14, 2018 · US
Systems and apparatus for reducing signal noise due to pump oscillations
US-9976994-B2 · May 22, 2018 · US
Measurement system including a network of nanoelectromechanical system resonators
US-9945822-B2 · Apr 17, 2018 · US
Nebulizer for Charged Aerosol Detection (CAD) System
US-2018100840-A1 · Apr 12, 2018 · US
Sample Preparation Apparatus and Method for Elemental Analysis Spectrometer
US-2018076013-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N30/64?
- CPC G01N30/64 is the Cooperative Patent Classification code for “Electrical detectors.”
- How many patents are filed under CPC G01N30/64 (Electrical detectors)?
- Our database includes 228 publications tagged with this CPC code.
- Is patent activity under CPC G01N30/64 growing?
- Publication counts under this code: 24 in 2024 vs 15 in 2025 (latest complete years).