Diamond magneto-optical sensor
US-2024168107-A1 · May 23, 2024 · US
Physics
Physics · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R33/032 |
| Official title | — |
| Display label | Physics (mapped technology topic) |
| Total patents | 692 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 35 |
| 2017 | 81 |
| 2018 | 59 |
| 2019 | 59 |
| 2020 | 68 |
| 2021 | 81 |
| 2022 | 73 |
| 2023 | 75 |
| 2024 | 61 |
| 2025 | 64 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas cell and coating method of gas cell
US-9521958-B2 · Dec 20, 2016 · US
Dnv magnetic field detector
US-2016356863-A1 · Dec 8, 2016 · US
Magnetic measurement system
US-2016338608-A1 · Nov 24, 2016 · US
Magnetic field measurement apparatus
US-9500722-B2 · Nov 22, 2016 · US
Diamond crystal, diamond devices, magnetic sensor, magnetic sensor system, and method for manufacturing sensor array
US-2016334474-A1 · Nov 17, 2016 · US
Gas cell and magnetic field measuring apparatus
US-2016334475-A1 · Nov 17, 2016 · US
Ultrasensitive magnetic sensor with magneto-optically active material with high verdet constant
US-9494809-B2 · Nov 15, 2016 · US
Magnetic measuring device
US-2016313408-A1 · Oct 27, 2016 · US
Magnetism measuring device, manufacturing method of magnetism measuring device, gas cell, and manufacturing method of gas cell
US-2016313418-A1 · Oct 27, 2016 · US
Downhole em sensing using sagnac interferometer for wellbore monitoring
US-2016298446-A1 · Oct 13, 2016 · US
Optical Sensors in Downhole Logging Tools
US-2016291199-A1 · Oct 6, 2016 · US
Magnetism detection sensor and magnetism measurement apparatus
US-2016291099-A1 · Oct 6, 2016 · US
Fiber optic magnetic field sensing system based on lorentz force method for downhole applications
US-2016274262-A1 · Sep 22, 2016 · US
Apparatus and method for estimating absolute axes' orientations for a magnetic detection system
US-2016231394-A1 · Aug 11, 2016 · US
Inspection device and inspection method
US-9410929-B2 · Aug 9, 2016 · US
Apparatus and method for recovery of three dimensional magnetic field from a magnetic detection system
US-2016223621-A1 · Aug 4, 2016 · US
Dnv magnetic field detector
US-2016216341-A1 · Jul 28, 2016 · US
Rapid high-resolution magnetic field measurements for power line inspection
US-2016216304-A1 · Jul 28, 2016 · US
In-situ power charging
US-2016214714-A1 · Jul 28, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R33/032?
- CPC G01R33/032 is the Cooperative Patent Classification code for “Physics.”
- How many patents are filed under CPC G01R33/032 (Physics)?
- Our database includes 692 publications tagged with this CPC code.
- Is patent activity under CPC G01R33/032 growing?
- Publication counts under this code: 61 in 2024 vs 64 in 2025 (latest complete years).