Mass flow verification based on rate of pressure decay
US-11604089-B2 · Mar 14, 2023 · US
by action on throttling means or flow sources of very small size, e.g. microfluidics (microvalves F16K99/0001; microstructural devices per se B81B)
by action on throttling means or flow sources of very small size, e.g. microfluidics (microvalves F16K99/0001; microstructural devices per se B81B) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05D7/0694 |
| Official title | {by action on throttling means or flow sources of very small size, e.g. microfluidics (microvalves F16K99/0001; microstructural devices per se B81B)} |
| Display label | by action on throttling means or flow sources of very small size, e.g. microfluidics (microvalves F16K99/0001; microstructural devices per se B81B) |
| Total patents | 71 |
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 | 13 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for pulse gas delivery with concentration measurement
US-11513108-B2 · Nov 29, 2022 · US
Control method of fluid device
US-11359618-B2 · Jun 14, 2022 · US
Dilution on microfluidic ejector chips
US-2022080372-A1 · Mar 17, 2022 · US
Fluidic assembly using tunable suspension flow
US-11211520-B2 · Dec 28, 2021 · US
Fluid system
US-11204027-B2 · Dec 21, 2021 · US
Fluid system
US-11193479-B2 · Dec 7, 2021 · US
Automated control of microfluidic devices based on machine learning
US-2021302452-A1 · Sep 30, 2021 · US
Method and Apparatus for Pulse Gas Delivery with Concentration Measurement
US-2021215655-A1 · Jul 15, 2021 · US
Automated control of microfluidic devices based on machine learning
US-11061042-B2 · Jul 13, 2021 · US
Handheld fluid handling systems and methods
US-11020744-B2 · Jun 1, 2021 · US
Mass flow verificaton based on rate of pressure decay
US-2021080313-A1 · Mar 18, 2021 · US
Microfluidic system
US-2021018941-A1 · Jan 21, 2021 · US
Methods, systems, and apparatus for mass flow verification based on rate of pressure decay
US-10866135-B2 · Dec 15, 2020 · US
Fluid control apparatus
US-2020371536-A1 · Nov 26, 2020 · US
Microfluidic system
US-10732649-B2 · Aug 4, 2020 · US
Device and method for regulating flow rate
US-10641253-B2 · May 5, 2020 · US
Composable PFET fluidic device
US-10591933-B1 · Mar 17, 2020 · US
Methods, systems, and apparatus for mass flow verification based on rate of pressure decay
US-2019293476-A1 · Sep 26, 2019 · US
Handheld fluid handling systems and methods
US-2019283019-A1 · Sep 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G05D7/0694?
- CPC G05D7/0694 is the Cooperative Patent Classification code for “by action on throttling means or flow sources of very small size, e.g. microfluidics (microvalves F16K99/0001; microstructural devices per se B81B).”
- How many patents are filed under CPC G05D7/0694 (by action on throttling means or flow sources of very small size, e.g. microfluidics (microvalves F16K99/0001; microstructural devices per se B81B))?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC G05D7/0694 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).