Quasi-zero stiffness absolute displacement sensor based on electromagnetic positive stiffness
US-2022404172-A1 · Dec 22, 2022 · US
by magnetic means, e.g. reluctance
by magnetic means, e.g. reluctance · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01H11/02 |
| Official title | by magnetic means, e.g. reluctance |
| Display label | by magnetic means, e.g. reluctance |
| Total patents | 81 |
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 | 3 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 14 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acoustic vector sensor
US-2022373632-A1 · Nov 24, 2022 · US
Infrasonic detection using a parallel dipole line trap
US-11442184-B2 · Sep 13, 2022 · US
Acoustic vector sensor
US-11435428-B2 · Sep 6, 2022 · US
Vibration sensor with sliding magnet
US-11415457-B2 · Aug 16, 2022 · US
Acoustic sensor assembly and method of sensing sound using the same
US-2022214211-A1 · Jul 7, 2022 · US
Energy harvesting apparatus and methods for detecting a vibratory signal
US-11326937-B2 · May 10, 2022 · US
Condition monitoring system
US-11320446-B2 · May 3, 2022 · US
Vibration detecting arrangement for reducing resonant noise
US-11255717-B2 · Feb 22, 2022 · US
Acoustic vector sensor
US-2021318406-A1 · Oct 14, 2021 · US
Method for identifying a change in the operating behavior of a crankshaft drive of a motor vehicle
US-2021317796-A1 · Oct 14, 2021 · US
Sensor
US-11137281-B2 · Oct 5, 2021 · US
Driving control apparatus, device, optical module and driving control method
US-2021286192-A1 · Sep 16, 2021 · US
Infrasonic detection using a parallel dipole line trap
US-2021278556-A1 · Sep 9, 2021 · US
Driving control apparatus, device, optical module and driving control method
US-11036058-B2 · Jun 15, 2021 · US
Remote vibration sensing through opaque media using permanent magnets
US-10969269-B1 · Apr 6, 2021 · US
Laundry processing device
US-2021079586-A1 · Mar 18, 2021 · US
Spintronic mechanical shock and vibration sensor device
US-10871529-B2 · Dec 22, 2020 · US
Vibration detecting device
US-2020378823-A1 · Dec 3, 2020 · US
Apparatus and methods for detecting a vibratory signal
US-2020309591-A1 · Oct 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01H11/02?
- CPC G01H11/02 is the Cooperative Patent Classification code for “by magnetic means, e.g. reluctance.”
- How many patents are filed under CPC G01H11/02 (by magnetic means, e.g. reluctance)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC G01H11/02 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).