Method and system for determining the state of a sensor whose mechanical behaviour is nonlinear as a function of the amplitude of the pressure exerted
US-2023204440-A1 · Jun 29, 2023 · US
by acoustic means
by acoustic means · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01L11/04 |
| Official title | by acoustic means |
| Display label | by acoustic means |
| Total patents | 75 |
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 | 4 |
| 2016 | 14 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 9 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface-acoustic-wave temperature and pressure sensing device and manufacturing method thereof
US-2023146607-A1 · May 11, 2023 · US
Measurement System for Determining a Physical Parameter of a Pipe-Fluid System
US-2022252494-A1 · Aug 11, 2022 · US
Pressure monitoring systems and methods for monitoring pressure of evacuation assembly charge cylinders
US-2022196501-A1 · Jun 23, 2022 · US
System and method to determine temperature compensated pressure of a pressure transducer
US-2022170798-A1 · Jun 2, 2022 · US
Surface acoustic wave sensor assembly
US-2022113208-A1 · Apr 14, 2022 · US
Tubular sensor with deformation body
US-2021404898-A1 · Dec 30, 2021 · US
Battery device, battery monitoring device and battery monitoring method
US-11165107-B2 · Nov 2, 2021 · US
Flow through pressure sensor
US-2021325223-A1 · Oct 21, 2021 · US
Method and apparatus for determining GVF—gas volume fraction—for aerated fluids and liquids in flotation tanks, columns, drums, tubes, vats
US-11035826-B1 · Jun 15, 2021 · US
Method and apparatus for determining gvf -gas volume fraction- for aerated fluids and liquids in flotation tanks, columns, drums, tubes, vats
US-2021172909-A1 · Jun 10, 2021 · US
BAW resonator based pressure sensor
US-10985729-B2 · Apr 20, 2021 · US
Packaging a sealed cavity in an electronic device
US-10913654-B2 · Feb 9, 2021 · US
Phase control unit for a vibronic sensor
US-10908011-B2 · Feb 2, 2021 · US
Acoustic transponders for wireless pressure monitoring using flexible acoustic resonators
US-2020359897-A1 · Nov 19, 2020 · US
Device for measuring the pressure of a fluid flowing through a pipeline
US-10732063-B2 · Aug 4, 2020 · US
Packaging a sealed cavity in an electronic device
US-2020207611-A1 · Jul 2, 2020 · US
Baw resonator based pressure sensor
US-2020212879-A1 · Jul 2, 2020 · US
Pressure sensor having a Helmholtz resonator
US-10620073-B2 · Apr 14, 2020 · US
Packaging a sealed cavity in an electronic device
US-10589986-B2 · Mar 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01L11/04?
- CPC G01L11/04 is the Cooperative Patent Classification code for “by acoustic means.”
- How many patents are filed under CPC G01L11/04 (by acoustic means)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC G01L11/04 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).