Droplet manipulation using gas-phase standing-wave ultrasound fields in MS sources
US-9514924-B2 · Dec 6, 2016 · US
for liquid samples (interfaces to liquid chromatographs G01N30/7233)
for liquid samples (interfaces to liquid chromatographs G01N30/7233) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J49/0431 |
| Official title | {for liquid samples (interfaces to liquid chromatographs G01N30/7233)} |
| Display label | for liquid samples (interfaces to liquid chromatographs G01N30/7233) |
| Total patents | 480 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 50 |
| 2016 | 36 |
| 2017 | 36 |
| 2018 | 39 |
| 2019 | 42 |
| 2020 | 52 |
| 2021 | 60 |
| 2022 | 48 |
| 2023 | 44 |
| 2024 | 46 |
| 2025 | 20 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for rapid evaporative ionization of liquid phase samples
US-2016240361-A1 · Aug 18, 2016 · US
Probe Assembly for Attaching a Chromatography Device to a Mass Spectrometer
US-2016217992-A1 · Jul 28, 2016 · US
Probe displacement measuring apparatus, ionization apparatus including the same, and mass spectrometry apparatus
US-2016203968-A1 · Jul 14, 2016 · US
Reproducibility of impact-based ionization source for low and high organic mobile phase compositions using a mesh target
US-9378938-B2 · Jun 28, 2016 · US
Ion generation using modified wetted porous materials
US-2016131621-A1 · May 12, 2016 · US
Method and system for determining the concentration of an analyte in a fluid sample
US-2016109336-A1 · Apr 21, 2016 · US
Cartridge with multiple electrospray emitters
US-9304116-B2 · Apr 5, 2016 · US
System and method for rapid evaporative ionization of liquid phase samples
US-9281174-B2 · Mar 8, 2016 · US
Mass spectrometer system and method
US-2016020082-A1 · Jan 21, 2016 · US
Automated microextraction technique for the analysis of N-nitrosamines in water
US-9212979-B2 · Dec 15, 2015 · US
Interfacing Capillary Electrophoresis to a Mass Spectrometer via an Impactor Spray Ionization Source
US-2015355148-A1 · Dec 10, 2015 · US
Methods of detecting reverse triiodothyronine by mass spectrometry
US-9207221-B2 · Dec 8, 2015 · US
Quantification of an analyte in serum and other biological matrices
US-9209003-B2 · Dec 8, 2015 · US
C peptide detection by mass spectrometry
US-2015346183-A1 · Dec 3, 2015 · US
Integrated sample processing for electrospray ionization devices
US-2015340219-A1 · Nov 26, 2015 · US
Method and system for introducing make-up flow in an electrospray ion source system
US-9196468-B2 · Nov 24, 2015 · US
Droplet Manipulation Using Gas-Phase Standing-Wave Ultrasound Fields in MS Sources
US-2015325421-A1 · Nov 12, 2015 · US
Systems and methods for analyzing an extracted sample
US-2015325423-A1 · Nov 12, 2015 · US
Mass spectrometer
US-9177775-B2 · Nov 3, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J49/0431?
- CPC H01J49/0431 is the Cooperative Patent Classification code for “for liquid samples (interfaces to liquid chromatographs G01N30/7233).”
- How many patents are filed under CPC H01J49/0431 (for liquid samples (interfaces to liquid chromatographs G01N30/7233))?
- Our database includes 480 publications tagged with this CPC code.
- Is patent activity under CPC H01J49/0431 growing?
- Publication counts under this code: 46 in 2024 vs 20 in 2025 (latest complete years).