Systems and methods for detecting chips in fluid of aircraft engine
US-2018364141-A1 · Dec 20, 2018 · US
of fluids (G01N24/00 takes precedence)
of fluids (G01N24/00 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 | G01N27/74 |
| Official title | of fluids (G01N24/00 takes precedence) |
| Display label | of fluids (G01N24/00 takes precedence) |
| Total patents | 163 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 16 |
| 2017 | 22 |
| 2018 | 14 |
| 2019 | 17 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 15 |
| 2023 | 17 |
| 2024 | 18 |
| 2025 | 9 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating a resonance-measuring system and respective resonance system
US-10151728-B2 · Dec 11, 2018 · US
System and method for rapid microbial detection and analysis
US-2018312899-A1 · Nov 1, 2018 · US
System and Method for Measuring the Concentration of Magnetic Ballast in a Slurry
US-2018292354-A1 · Oct 11, 2018 · US
Gas-sensitive hall device
US-10082484-B2 · Sep 25, 2018 · US
Systems and methods for assessing blood platelet function
US-2018172665-A1 · Jun 21, 2018 · US
System for monitoring machine fluids
US-2018172636-A1 · Jun 21, 2018 · US
Characterizing liquids using magnetic discs
US-2018136201-A1 · May 17, 2018 · US
Devices and methods for separating particles
US-2018117597-A1 · May 3, 2018 · US
Durable miniature gas composition detector having fast response time
US-2018090678-A1 · Mar 29, 2018 · US
Oil debris monitoring (odm) using active valve configuration control
US-2018073970-A1 · Mar 15, 2018 · US
Characterizing liquids using magnetic discs
US-9903860-B2 · Feb 27, 2018 · US
Semiconductor gas sensor using magnetic tunnel junction elements
US-9885697-B2 · Feb 6, 2018 · US
Devices and methods for separating particles
US-9873126-B2 · Jan 23, 2018 · US
Detection of viable pathogens in analyte using culture chamber with magnetostrictive sensors
US-2017370882-A1 · Dec 28, 2017 · US
Multi-spot contaminant detection with magnetostrictive sensors
US-2017370883-A1 · Dec 28, 2017 · US
Non-contact fluid resistivity measurement
US-9851319-B2 · Dec 26, 2017 · US
Method and device for biomolecule preparation and detection using magnetic array
US-2017363578-A1 · Dec 21, 2017 · US
Cleaning of a 3D Printed Article
US-2017363377-A1 · Dec 21, 2017 · US
Gas sensing using magnetic tunnel junction elements
US-9835589-B2 · Dec 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N27/74?
- CPC G01N27/74 is the Cooperative Patent Classification code for “of fluids (G01N24/00 takes precedence).”
- How many patents are filed under CPC G01N27/74 (of fluids (G01N24/00 takes precedence))?
- Our database includes 163 publications tagged with this CPC code.
- Is patent activity under CPC G01N27/74 growing?
- Publication counts under this code: 18 in 2024 vs 9 in 2025 (latest complete years).