Infrastructure monitoring devices, systems, and methods
US-9849322-B2 · Dec 26, 2017 · US
Investigating fluid-tightness of structures
Investigating fluid-tightness of structures · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01M3/00 |
| Official title | Investigating fluid-tightness of structures |
| Display label | Investigating fluid-tightness of structures |
| Total patents | 267 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 21 |
| 2017 | 26 |
| 2018 | 36 |
| 2019 | 45 |
| 2020 | 23 |
| 2021 | 19 |
| 2022 | 24 |
| 2023 | 15 |
| 2024 | 21 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oilfield conduit leakage detection system
US-9846103-B2 · Dec 19, 2017 · US
Method and system for determining the volatility of a fuel
US-9841412-B2 · Dec 12, 2017 · US
Defect analysis device, defect analysis method, and program
US-9804053-B2 · Oct 31, 2017 · US
System and method for forecasting leaks in a fluid-delivery pipeline network
US-2017308796-A1 · Oct 26, 2017 · US
Diagnostic signal to annunciate primary seal failure in a level transmitter
US-2017268922-A1 · Sep 21, 2017 · US
Leakage analysis system and leakage detection method using at least two measurement terminals
US-9766151-B2 · Sep 19, 2017 · US
Fault diagnosis device based on common information and special information of running video information for electric-arc furnace and method thereof
US-2017261264-A1 · Sep 14, 2017 · US
Gas detection systems and methods with search directions
US-9719879-B1 · Aug 1, 2017 · US
Gas Leak Detection and Location Determination
US-2017193790-A1 · Jul 6, 2017 · US
Damage evaluation method and maintenance evaluation index decision method
US-9689789-B2 · Jun 27, 2017 · US
Water leak sensor management method, water leak sensor performing the same and storage media storing the same
US-9677966-B2 · Jun 13, 2017 · US
Survey area indicators for gas leak detection
US-9645039-B1 · May 9, 2017 · US
Enclosure for leak detector
US-2017121949-A1 · May 4, 2017 · US
Leak detection method of reducing agent pumping system
US-9638086-B2 · May 2, 2017 · US
Water leakage detection based on smart electricity meter
US-2017089798-A1 · Mar 30, 2017 · US
Enclosure for leak detector
US-9593999-B2 · Mar 14, 2017 · US
Systems for measuring properties of water in a water distribution system
US-2017059543-A1 · Mar 2, 2017 · US
Gas detection systems and methods using search area indicators
US-9557240-B1 · Jan 31, 2017 · US
Method for detecting compressed air system leakage
US-2017016800-A1 · Jan 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M3/00?
- CPC G01M3/00 is the Cooperative Patent Classification code for “Investigating fluid-tightness of structures.”
- How many patents are filed under CPC G01M3/00 (Investigating fluid-tightness of structures)?
- Our database includes 267 publications tagged with this CPC code.
- Is patent activity under CPC G01M3/00 growing?
- Publication counts under this code: 21 in 2024 vs 16 in 2025 (latest complete years).