Shock wave fluid pressure transducer element
US-12422289-B2 · Sep 23, 2025 · US
Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01L23/00 |
| Official title | Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid |
| Display label | Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and apparatus for vapor pressure monitoring
US-2025189396-A1 · Jun 12, 2025 · US
System, method, and valve assembly for surge protection
US-12320445-B2 · Jun 3, 2025 · US
Predictive biomass map generation and control
US-2025107485-A1 · Apr 3, 2025 · US
Method and controller for an aircraft
US-2025091725-A1 · Mar 20, 2025 · US
System and method for monitoring opening or closing of doors of an area of interest
US-2024418592-A1 · Dec 19, 2024 · US
Predictive biomass map generation and control
US-12144286-B2 · Nov 19, 2024 · US
Method for counting the number of puffs and aerosol generating device using the same
US-12108803-B2 · Oct 8, 2024 · US
System, method, and valve assembly for surge protection
US-2024255070-A1 · Aug 1, 2024 · US
Predictive biomass map generation and control
US-2024107943-A1 · Apr 4, 2024 · US
Predictive biomass map generation and control
US-11889788-B2 · Feb 6, 2024 · US
Method for counting the number of puffs and aerosol generating device using the same
US-2023109861-A1 · Apr 13, 2023 · US
Transducer element
US-2022397436-A1 · Dec 15, 2022 · US
Determining an actual value and/or an actual value range of at least one state variable of a fluid in a fluid flow by means of at least one indicator particle
US-2022252477-A1 · Aug 11, 2022 · US
Instrumented spherical blast impulse recording device (ISBIRD)
US-11378476-B2 · Jul 5, 2022 · US
Device for measuring liquid sloshing force of ship
US-11371897-B2 · Jun 28, 2022 · US
Predictive biomass map generation and control
US-2022110248-A1 · Apr 14, 2022 · US
Device for measuring liquid sloshing force of ship
US-2021278299-A1 · Sep 9, 2021 · US
Sensor element for detecting at least one property of a fluid medium
US-2021131841-A1 · May 6, 2021 · US
Instrumented Spherical Blast Impulse Recording Device (ISBIRD)
US-2020386639-A1 · Dec 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01L23/00?
- CPC G01L23/00 is the Cooperative Patent Classification code for “Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid.”
- How many patents are filed under CPC G01L23/00 (Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC G01L23/00 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).