Utilization of fast-response pressure measurements to nonintrusively monitor blade vibration in axial compressors
US-11199437-B2 · Dec 14, 2021 · US
Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)}
Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01H3/08 |
| Official title | Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)} |
| Display label | Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)} |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 22 |
| 2024 | 18 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Abnormality cause identifying system for device including rotating member
US-11125654-B2 · Sep 21, 2021 · US
Detecting impending motor failure using audio data
US-11124316-B2 · Sep 21, 2021 · US
Abnormality predicting system and abnormality predicting method
US-2021255613-A1 · Aug 19, 2021 · US
Method for testing the noise of vehicles when driving over a test track
US-11085813-B2 · Aug 10, 2021 · US
Knocking detection apparatus and internal combustion engine control apparatus
US-11067022-B1 · Jul 20, 2021 · US
Abnormality cause identifying system for device including rotating member
US-2021088418-A1 · Mar 25, 2021 · US
Vapor and/or gas concentration and temperature sensor
US-2021055264-A1 · Feb 25, 2021 · US
Combined vapor and/or gas concentration sensor and switch
US-2021025851-A1 · Jan 28, 2021 · US
Propeller health monitoring
US-10858122-B2 · Dec 8, 2020 · US
Method and device for monitoring an aircraft engine vane wheel via balance position measurement
US-10852215-B2 · Dec 1, 2020 · US
Method And System For Acoustic Monitoring And Pattern Recognition In Hydrocarbon Management Activities
US-2020370414-A1 · Nov 26, 2020 · US
Passive sound source classification and localization
US-10830914-B2 · Nov 10, 2020 · US
Utilization of fast-response pressure measurements to nonintrusively monitor blade vibration in axial compressors
US-2020333178-A1 · Oct 22, 2020 · US
Detecting impending motor failure using audio data
US-2020299002-A1 · Sep 24, 2020 · US
Method for evaluating noise of glass run
US-2020278324-A1 · Sep 3, 2020 · US
Method for evaluating noise of glass run
US-10746705-B1 · Aug 18, 2020 · US
Fan examination method and fan examination system
US-10677641-B2 · Jun 9, 2020 · US
Condition monitoring apparatus, condition monitoring system, and condition monitoring method
US-2020158562-A1 · May 21, 2020 · US
Audio spectrum analyzer and method of arranging resonators included therein
US-2020132742-A1 · Apr 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01H3/08?
- CPC G01H3/08 is the Cooperative Patent Classification code for “Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)}.”
- How many patents are filed under CPC G01H3/08 (Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)})?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC G01H3/08 growing?
- Publication counts under this code: 18 in 2024 vs 16 in 2025 (latest complete years).