Microfluidic or millifluidic chip comprising a pressure sensing unit using colour-switching hydrogels
US-11920998-B2 · Mar 5, 2024 · US
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with optical transmitting or indicating means (G01L7/045, G01L7/065, G01L7/086, G01L7/106, G01L7/187 take precedence)
with optical transmitting or indicating means (G01L7/045, G01L7/065, G01L7/086, G01L7/106, G01L7/187 take precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01L7/026 |
| Official title | {with optical transmitting or indicating means (G01L7/045, G01L7/065, G01L7/086, G01L7/106, G01L7/187 take precedence)} |
| Display label | with optical transmitting or indicating means (G01L7/045, G01L7/065, G01L7/086, G01L7/106, G01L7/187 take precedence) |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microfluidic or millifluidic chip comprising a pressure sensing unit using colour-switching hydrogels
US-2023019208-A1 · Jan 19, 2023 · US
Non-intrusive process fluid pressure measurement system
US-11209296-B2 · Dec 28, 2021 · US
Non-intrusive process fluid pressure measurement system
US-2020103260-A1 · Apr 2, 2020 · US
Heat flux sensor that implements at least one optical resonator, gas sensor and Pirani gauge comprising at least one such sensor
US-10551333-B2 · Feb 4, 2020 · US
Pressure sensing device and pressure sensing apparatus
US-10274387-B2 · Apr 30, 2019 · US
Gas sensing devices, systems, and associated methods
US-10168239-B2 · Jan 1, 2019 · US
Pressure sensing device and pressure sensing apparatus
US-2018094995-A1 · Apr 5, 2018 · US
Pressure sensitive film and manufacturing method thereof
US-9759619-B2 · Sep 12, 2017 · US
Non-intrusive pressure sensor system
US-9677951-B2 · Jun 13, 2017 · US
Heat flux sensor that implements at least one optical resonator, gas sensor and pirani gauge comprising at least one such sensor
US-2017059499-A1 · Mar 2, 2017 · US
Pressure sensitive film and manufacturing method thereof
US-2016299018-A1 · Oct 13, 2016 · US
Gas sensing devices, systems, and associated methods
US-2016187214-A1 · Jun 30, 2016 · US