Vehicular device, program, and vehicular system
US-2025004005-A1 · Jan 2, 2025 · US
using eddy currents
using eddy currents · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01P3/49 |
| Official title | using eddy currents |
| Display label | using eddy currents |
| Total patents | 43 |
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 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated machine speed signal waveform capture
US-2024418099-A1 · Dec 19, 2024 · US
Improved motion, vibration and aberrant condition detection and analysis for rotating shafts, reciprocating machines, turbomachinery, pipes, pipelines, and related machinery
US-2024280603-A1 · Aug 22, 2024 · US
Motion, vibration and aberrant condition detection and analysis
US-11977096-B2 · May 7, 2024 · US
Proximity sensor to sense rotating shaft position and velocity
US-11761794-B2 · Sep 19, 2023 · US
Method and device for determining a speed by means of an inductive speed sensor
US-11531040-B2 · Dec 20, 2022 · US
Proximity sensor to sense rotating shaft position and velocity
US-2022326051-A1 · Oct 13, 2022 · US
Rotational speed and/or rotational angle detection unit and working device
US-2022034643-A1 · Feb 3, 2022 · US
Packages for coil actuated position sensors
US-11073573-B2 · Jul 27, 2021 · US
Motion, vibration and aberrant condition detection and analysis for rotating shafts, reciprocating machines, turbomachinery, pipes, pipelines, and related machinery
US-2021208178-A1 · Jul 8, 2021 · US
Method and device for determining a speed by means of an inductive speed sensor
US-2020363443-A1 · Nov 19, 2020 · US
Magnetic field sensor, system, and method for speed measurement
US-2020333407-A1 · Oct 22, 2020 · US
Packages For Coil Actuated Position Sensors
US-2020241084-A1 · Jul 30, 2020 · US
Rotary machine state observation device, rotary machine, and rotary machine state observation method
US-10648477-B2 · May 12, 2020 · US
Packages for coil actuated position sensors
US-10649042-B2 · May 12, 2020 · US
Rotation speed detection device
US-10591506-B2 · Mar 17, 2020 · US
Inductive displacement sensors
US-10564008-B2 · Feb 18, 2020 · US
Inductive displacement sensors
US-10557727-B2 · Feb 11, 2020 · US
Eddy current sensor for a rotary shaft and rotary shaft apparatus
US-10466265-B2 · Nov 5, 2019 · US
Packages For Coil Actuated Position Sensors
US-2019250220-A1 · Aug 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01P3/49?
- CPC G01P3/49 is the Cooperative Patent Classification code for “using eddy currents.”
- How many patents are filed under CPC G01P3/49 (using eddy currents)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC G01P3/49 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).