Pneumatic nebulization-photochemical vapor generation dual mode sample introduction system
US-2025123191-A1 · Apr 17, 2025 · US
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using a membrane permeable to liquids
using a membrane permeable to liquids · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J49/0436 |
| Official title | {using a membrane permeable to liquids} |
| Display label | using a membrane permeable to liquids |
| Total patents | 22 |
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 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Droplet particle, and method and device for producing droplet particle
US-12025544-B2 · Jul 2, 2024 · US
Packed tip electrospray emitter
US-11988652-B2 · May 21, 2024 · US
Porous membrane enabled mass spectrometry characterization of microfluidic devices
US-11862449-B2 · Jan 2, 2024 · US
Systems and methods for analyzing an analyte extracted from a sample using an adsorbent material
US-11680876-B2 · Jun 20, 2023 · US
Device for extracting gaseous and liquid products from a reaction fluid
US-2023162960-A1 · May 25, 2023 · US
Porous membrane enabled mass spectrometry characterization of microfluidic devices
US-2023049075-A1 · Feb 16, 2023 · US
Porous membrane enabled mass spectrometry characterization of microfluidic devices
US-11417508-B2 · Aug 16, 2022 · US
Packed Tip Electrospray Emitter
US-2022155267-A1 · May 19, 2022 · US
Systems and methods for analyzing an analyte extracted from a sample using an adsorbent material
US-2021302288-A1 · Sep 30, 2021 · US
Porous membrane enabled mass spectrometry characterization of microfluidic devices
US-2021225628-A1 · Jul 22, 2021 · US
Droplet particle, and method and device for producing droplet particle
US-2021223147-A1 · Jul 22, 2021 · US
Systems and methods for analyzing an analyte extracted from a sample using an adsorbent material
US-11060959-B2 · Jul 13, 2021 · US
Zero voltage mass spectrometry probes and systems
US-10714323-B2 · Jul 14, 2020 · US
Systems and methods for analyzing an analyte extracted from a sample using an adsorbent material
US-2019277735-A1 · Sep 12, 2019 · US
Zero voltage mass spectrometry probes and systems
US-2019237315-A1 · Aug 1, 2019 · US
Zero voltage mass spectrometry probes and systems
US-10256085-B2 · Apr 9, 2019 · US
Zero voltage mass spectrometry probes and systems
US-2018061620-A1 · Mar 1, 2018 · US
Zero voltage mass spectrometry probes and systems
US-9786478-B2 · Oct 10, 2017 · US
Zero voltage mass spectrometry probes and systems
US-2016163524-A1 · Jun 9, 2016 · US