Fault detection device for internal combustion engine
US-2018371971-A1 · Dec 27, 2018 · US
by monitoring pressure in fluid ducts, e.g. in lubrication or cooling parts
by monitoring pressure in fluid ducts, e.g. in lubrication or cooling parts · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01M15/09 |
| Official title | by monitoring pressure in fluid ducts, e.g. in lubrication or cooling parts |
| Display label | by monitoring pressure in fluid ducts, e.g. in lubrication or cooling parts |
| Total patents | 161 |
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 | 14 |
| 2016 | 23 |
| 2017 | 17 |
| 2018 | 22 |
| 2019 | 21 |
| 2020 | 16 |
| 2021 | 16 |
| 2022 | 14 |
| 2023 | 11 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sensor element for recording at least one property of a fluid medium
US-2018292283-A1 · Oct 11, 2018 · US
Methods for evaluating the lubrication of an apparatus which can be lubricated by means of a lubricant circuit
US-2018246010-A1 · Aug 30, 2018 · US
Induction diagnostics for skip fire engines
US-2018156692-A1 · Jun 7, 2018 · US
Blockage detection system and blockage detection method
US-2018017022-A1 · Jan 18, 2018 · US
System for detecting a leakage in an intake line of an internal combustion engine
US-9856814-B2 · Jan 2, 2018 · US
Induction diagnostics for skip fire engine
US-9835522-B2 · Dec 5, 2017 · US
Method and Processing System of Sensed Ionization Current Data for Real Time Estimate of Combustion Chamber Pressure in a Spark Ignition Engine
US-2017335819-A1 · Nov 23, 2017 · US
Abnormality diagnosis device and abnormality diagnosis method for intake system of internal combustion engine
US-2017328810-A1 · Nov 16, 2017 · US
Gas internal combustion engine gas leak checking device and method for same
US-9816891-B2 · Nov 14, 2017 · US
Testing unit for testing a multi-cylinder engine
US-9804056-B2 · Oct 31, 2017 · US
Oil filter-leak pressure-test station
US-2017307463-A1 · Oct 26, 2017 · US
Induction diagnostics for skip fire engines
US-2017299466-A1 · Oct 19, 2017 · US
Crankcase integrity breach detection
US-9790885-B2 · Oct 17, 2017 · US
Method and processing system of sensed ionization current data for real time estimation of combustion chamber pressure in a spark ignition engine
US-9752548-B2 · Sep 5, 2017 · US
Method of continuously calculating trapped and scavenged air per cylinder
US-2017248093-A1 · Aug 31, 2017 · US
Method and Apparatus for Detecting a Malfunctioning Rail Pressure Sensor
US-2017218873-A1 · Aug 3, 2017 · US
Method of Real-Time Oil Consumption Detection
US-2017152776-A1 · Jun 1, 2017 · US
Method for functionally testing turbomachines, and test device therefor
US-9632009-B2 · Apr 25, 2017 · US
Data analyzer
US-2017074200-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M15/09?
- CPC G01M15/09 is the Cooperative Patent Classification code for “by monitoring pressure in fluid ducts, e.g. in lubrication or cooling parts.”
- How many patents are filed under CPC G01M15/09 (by monitoring pressure in fluid ducts, e.g. in lubrication or cooling parts)?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC G01M15/09 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).