Pressure sensor and microphone
US-2017356810-A1 · Dec 14, 2017 · US
using piezoelectric devices (piezoelectric resonators G01L9/0022; surface acoustic waves G01L9/0025)
using piezoelectric devices (piezoelectric resonators G01L9/0022; surface acoustic waves G01L9/0025) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01L9/008 |
| Official title | {using piezoelectric devices (piezoelectric resonators G01L9/0022; surface acoustic waves G01L9/0025)} |
| Display label | using piezoelectric devices (piezoelectric resonators G01L9/0022; surface acoustic waves G01L9/0025) |
| Total patents | 210 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 19 |
| 2017 | 29 |
| 2018 | 31 |
| 2019 | 23 |
| 2020 | 22 |
| 2021 | 15 |
| 2022 | 11 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressure transducer and method for fabricating the same
US-2017350780-A1 · Dec 7, 2017 · US
Micromachined Bulk Acoustic Wave Resonator Pressure Sensor
US-2017350779-A1 · Dec 7, 2017 · US
Pressure measuring device, tap, storage unit and installation comprising such a device
US-9786151-B2 · Oct 10, 2017 · US
Displacement detection device and displacement detection method
US-9772236-B2 · Sep 26, 2017 · US
Piezoelectric pressure sensor and process of manufacturing the same
US-2017160153-A1 · Jun 8, 2017 · US
Sensors and method of operating sensor
US-9660169-B2 · May 23, 2017 · US
Method for producing a pressure sensor and corresponding sensor
US-9643836-B2 · May 9, 2017 · US
Method and device for continuous blood pressure monitoring and estimation
US-2017065191-A1 · Mar 9, 2017 · US
Fitness monitoring device with altimeter and gesture recognition
US-9568492-B2 · Feb 14, 2017 · US
Pressure sensor and process of manufacturing said pressure sensor
US-2017030786-A1 · Feb 2, 2017 · US
Pressure sensor having cantilever and displacement measurement unit
US-9551621-B2 · Jan 24, 2017 · US
Pressure sensor device with a mems piezoresistive element attached to an in-circuit ceramic board
US-2016377496-A1 · Dec 29, 2016 · US
Fluid pressure sensor
US-9518883-B2 · Dec 13, 2016 · US
Passive pressure sensing
US-9506828-B2 · Nov 29, 2016 · US
High temperature flexural mode piezoelectric dynamic pressure sensor
US-2016327445-A1 · Nov 10, 2016 · US
Self-powered tactile pressure sensors
US-2016258829-A1 · Sep 8, 2016 · US
Method for fabricating a pressure sensor
US-2016238467-A1 · Aug 18, 2016 · US
Crystal unit
US-2016231368-A1 · Aug 11, 2016 · US
System and Method for a Wind Speed Meter
US-2016223579-A1 · Aug 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01L9/008?
- CPC G01L9/008 is the Cooperative Patent Classification code for “using piezoelectric devices (piezoelectric resonators G01L9/0022; surface acoustic waves G01L9/0025).”
- How many patents are filed under CPC G01L9/008 (using piezoelectric devices (piezoelectric resonators G01L9/0022; surface acoustic waves G01L9/0025))?
- Our database includes 210 publications tagged with this CPC code.
- Is patent activity under CPC G01L9/008 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).