Metering pump for liquid chromatography
US-11774415-B2 · Oct 3, 2023 · US
Control of physical parameters of the fluid carrier
Control of physical parameters of the fluid carrier · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N30/28 |
| Official title | Control of physical parameters of the fluid carrier |
| Display label | Control of physical parameters of the fluid carrier |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sensor module
US-11703484-B2 · Jul 18, 2023 · US
System and method for detecting high pressure seal leaks in chromatographic pumps
US-11473998-B2 · Oct 18, 2022 · US
Supercritical fluid apparatus
US-11435324-B2 · Sep 6, 2022 · US
Supercritical fluid chromatograph and sample supply method used in supercritical fluid chromatograph
US-2022252557-A1 · Aug 11, 2022 · US
Supercritical fluid apparatus and pressure control method used in supercritical fluid apparatus
US-2022229023-A1 · Jul 21, 2022 · US
Analysis device
US-11385208-B2 · Jul 12, 2022 · US
Ph management system of liquid chromatograph and computer readable recording medium recording program
US-2022178891-A1 · Jun 9, 2022 · US
Liquid chromatograph
US-2022137008-A1 · May 5, 2022 · US
Chromatography systems and methods using them
US-2022137009-A1 · May 5, 2022 · US
Carrier gas reduction for gas chromatography
US-11255828-B2 · Feb 22, 2022 · US
Carrier gas reduction for gas chromatography
US-2021310998-A1 · Oct 7, 2021 · US
Metering pump for liquid chromatography
US-2021302397-A1 · Sep 30, 2021 · US
Method for the reduction of viral titer in pharmaceuticals
US-11034721-B2 · Jun 15, 2021 · US
Method for liquid chromatographic mass spectrometry and liquid chromatograph mass spectrometer
US-11002715-B2 · May 11, 2021 · US
Sample analysis apparatus
US-2021116429-A1 · Apr 22, 2021 · US
Determination of protein concentration in a fluid
US-2021096128-A1 · Apr 1, 2021 · US
Analysis Device
US-2020340957-A1 · Oct 29, 2020 · US
Supercritical fluid apparatus
US-2020209199-A1 · Jul 2, 2020 · US
System and method for detecting high pressure seal leaks in chromatographic pumps
US-2020200642-A1 · Jun 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N30/28?
- CPC G01N30/28 is the Cooperative Patent Classification code for “Control of physical parameters of the fluid carrier.”
- How many patents are filed under CPC G01N30/28 (Control of physical parameters of the fluid carrier)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC G01N30/28 growing?
- Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).