Leak isolation system
US-10508967-B2 · Dec 17, 2019 · US
for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds}
for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01M3/28 |
| Official title | for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds} |
| Display label | for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds} |
| Total patents | 176 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 25 |
| 2020 | 18 |
| 2021 | 20 |
| 2022 | 23 |
| 2023 | 13 |
| 2024 | 17 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for fluid flow rate measurement
US-2019368909-A1 · Dec 5, 2019 · US
Flow sensor
US-10473494-B2 · Nov 12, 2019 · US
Methods And Apparatus For Checking Emitter Bonds In An Irrigation Drip Line
US-2019316985-A1 · Oct 17, 2019 · US
An improved system for estimating water flows at the boundaries of a sub-network of a water distribution network
US-2019310159-A1 · Oct 10, 2019 · US
Method and system for fluid flow rate measurement
US-10422674-B2 · Sep 24, 2019 · US
Systems and methods for modeling, analyzing, detecting, and monitoring fluid networks
US-2019236219-A1 · Aug 1, 2019 · US
Certificate authority master key tracking on distributed ledger
US-2019219391-A1 · Jul 18, 2019 · US
Method of detecting fluid flows, corresponding device and computer program product
US-2019212177-A1 · Jul 11, 2019 · US
Gas Detection systems and methods using search area indicators
US-10337946-B1 · Jul 2, 2019 · US
Apparatus and method for detecting leakage in hydrogen tank of hydrogen fuel cell vehicle
US-2019178748-A1 · Jun 13, 2019 · US
Stop valve, scr system, and method for detecting leaks and/or identifying variations in metered amounts
US-2019170047-A1 · Jun 6, 2019 · US
Certificate authority master key tracking on distributed ledger
US-10284378-B2 · May 7, 2019 · US
Water-leak state estimation system, method, and recording medium
US-10228301-B2 · Mar 12, 2019 · US
Apparatus and method for detecting leakage in hydrogen tank of hydrogen fuel cell vehicle
US-10209158-B2 · Feb 19, 2019 · US
Methods for liquid chromatography fluidic monitoring
US-2018340916-A1 · Nov 29, 2018 · US
Method for pressurising the inner flow space of a flexible pipe intended for transporting hydrocarbons
US-2018313473-A1 · Nov 1, 2018 · US
Leak isolation system
US-2018283979-A1 · Oct 4, 2018 · US
Sensing events affecting liquid flow in a liquid distribution system
US-2018188085-A1 · Jul 5, 2018 · US
Leak detection tool
US-2018172543-A1 · Jun 21, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M3/28?
- CPC G01M3/28 is the Cooperative Patent Classification code for “for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds}.”
- How many patents are filed under CPC G01M3/28 (for pipes, cables or tubes; for pipe joints or seals; for valves {; for welds})?
- Our database includes 176 publications tagged with this CPC code.
- Is patent activity under CPC G01M3/28 growing?
- Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).