Fluidic network for aseptic sampling
US-12590870-B2 · Mar 31, 2026 · US
purging a device
purging a device · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N2030/402 |
| Official title | {purging a device} |
| Display label | purging a device |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Interface system and corresponding method
US-12578315-B2 · Mar 17, 2026 · US
Gas component detection device with poisoning suppression
US-12345689-B2 · Jul 1, 2025 · US
Gas sample selector
US-12320786-B2 · Jun 3, 2025 · US
Analytical system and method
US-2024385155-A1 · Nov 21, 2024 · US
LC system and method with column backflushing
US-12123856-B2 · Oct 22, 2024 · US
System for flushing a gas-measurement device for analyzing gas from a well, and related methods
US-12038418-B2 · Jul 16, 2024 · US
Methods and systems for removing pressure and air from chromatography columns
US-11938417-B2 · Mar 26, 2024 · US
Fluidic network for aseptic sampling
US-2023358644-A1 · Nov 9, 2023 · US
Sample injection device and sample injection system
US-11802853-B2 · Oct 31, 2023 · US
Gas component detection device
US-2023094325-A1 · Mar 30, 2023 · US
Organic carbon detector for liquid chromatography and use thereof
US-11567043-B2 · Jan 31, 2023 · US
Gas sample selector
US-2022357303-A1 · Nov 10, 2022 · US
Lc system and method with column backflushing
US-2022349863-A1 · Nov 3, 2022 · US
Methods and Systems for Removing Pressure and Air from Chromatography Columns
US-2022297029-A1 · Sep 22, 2022 · US
Methods and systems for removing pressure and air from chromatography columns
US-11389748-B2 · Jul 19, 2022 · US
System for flushing a gas-measurement device for analyzing gas from a well, and related methods
US-2022018816-A1 · Jan 20, 2022 · US
Interface system and corresponding method
US-2021132010-A1 · May 6, 2021 · US
System with reusable column with resin packing and unpacking procedures and sample analysis
US-10881985-B1 · Jan 5, 2021 · US
Systems and Methods for Improving Throughput, Precision, and Accuracy in Electronic Trace Detectors
US-2020406313-A1 · Dec 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N2030/402?
- CPC G01N2030/402 is the Cooperative Patent Classification code for “purging a device.”
- How many patents are filed under CPC G01N2030/402 (purging a device)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC G01N2030/402 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).