Gas leak detecting device and gas leak detecting method
US-12498286-B2 · Dec 16, 2025 · US
by using materials which expand, contract, disintegrate, or decompose in contact with a fluid (G01M3/12 takes precedence)
by using materials which expand, contract, disintegrate, or decompose in contact with a fluid (G01M3/12 takes 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 | G01M3/042 |
| Official title | {by using materials which expand, contract, disintegrate, or decompose in contact with a fluid (G01M3/12 takes precedence)} |
| Display label | by using materials which expand, contract, disintegrate, or decompose in contact with a fluid (G01M3/12 takes precedence) |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Colorimetric gas leak detection
US-2025314549-A1 · Oct 9, 2025 · US
Apparatus for determining oil leakage and robot using the apparatus
US-12379278-B2 · Aug 5, 2025 · US
Advanced sealing structure for liquid cooling
US-12216025-B2 · Feb 4, 2025 · US
Leakage detection
US-2025035503-A1 · Jan 30, 2025 · US
Component mounting board
US-2024292532-A1 · Aug 29, 2024 · US
Mechanically actuated valve assemblies
US-11952753-B2 · Apr 9, 2024 · US
Method and system, using a colorimetric indicator, for detecting a possible loss of integrity of a flexible bag for biopharmaceutical product
US-11898938-B2 · Feb 13, 2024 · US
Gas leak detecting device and gas leak detecting method
US-2023408362-A1 · Dec 21, 2023 · US
Apparatus for determining oil leakage and robot using the apparatus
US-2023280232-A1 · Sep 7, 2023 · US
System and method for leakage mitigation
US-11624482-B2 · Apr 11, 2023 · US
Method and system to determine variations in a fluidic channel
US-11519807-B2 · Dec 6, 2022 · US
Advanced sealing structure for liquid cooling
US-2022283050-A1 · Sep 8, 2022 · US
System and method for leakage mitigation
US-2022275913-A1 · Sep 1, 2022 · US
Method and system, using a colorimetric indicator, for detecting a possible loss of integrity of a flexible bag for biopharmaceutical product
US-2022178782-A1 · Jun 9, 2022 · US
Pressure accumulator having a monitoring device
US-11268541-B2 · Mar 8, 2022 · US
Mechanically actuated valve assemblies
US-2022064916-A1 · Mar 3, 2022 · US
Moisture detecting air cap indicator for expansion tank failure
US-11156369-B2 · Oct 26, 2021 · US
Device for testing the leakproofness of a surgical instrument, reprocessing device for reprocessing surgical instruments, and use of a swellable material body
US-11096556-B2 · Aug 24, 2021 · US
Die casting machine melt leakage detecting device
US-11054334-B2 · Jul 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M3/042?
- CPC G01M3/042 is the Cooperative Patent Classification code for “by using materials which expand, contract, disintegrate, or decompose in contact with a fluid (G01M3/12 takes precedence).”
- How many patents are filed under CPC G01M3/042 (by using materials which expand, contract, disintegrate, or decompose in contact with a fluid (G01M3/12 takes precedence))?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC G01M3/042 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).