Method and apparatus to determine a subject-specific B1 distribution of an examination subject in a measurement volume of a magnetic resonance apparatus
US-9829548-B2 · Nov 28, 2017 · US
Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R33/38 |
| Official title | Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field |
| Display label | Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field |
| Total patents | 247 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 28 |
| 2017 | 26 |
| 2018 | 25 |
| 2019 | 44 |
| 2020 | 32 |
| 2021 | 21 |
| 2022 | 17 |
| 2023 | 15 |
| 2024 | 13 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low field magnetic resonance imaging methods and apparatus
US-9817093-B2 · Nov 14, 2017 · US
Magnetic resonance imaging apparatus
US-9804243-B2 · Oct 31, 2017 · US
Noise suppression methods and apparatus
US-9797971-B2 · Oct 24, 2017 · US
Dialysis system with sample concentration determination device using magnet and radio frequency coil assemblies
US-9772386-B2 · Sep 26, 2017 · US
Ferromagnetic augmentation for magnetic resonance imaging
US-2017227616-A1 · Aug 10, 2017 · US
Magnetic head for banknote detection
US-9721415-B2 · Aug 1, 2017 · US
Magnetic resonance imaging system including radio frequency coil
US-9702948-B2 · Jul 11, 2017 · US
Determination of a measuring sequence for a magnetic resonance system
US-9645216-B2 · May 9, 2017 · US
Ferromagnetic augmentation for magnetic resonance imaging
US-9638773-B2 · May 2, 2017 · US
Dual antenna for circular polarization
US-9632204-B2 · Apr 25, 2017 · US
Ferromagnetic augmentation for magnetic resonance imaging
US-9625544-B2 · Apr 18, 2017 · US
Noise suppression methods and apparatus
US-9625543-B2 · Apr 18, 2017 · US
Noise suppression methods and apparatus
US-2017102443-A1 · Apr 13, 2017 · US
Cylindrical magnetic resonance device having a circular arc shaped housing shell when mounted that becomes bar-shaped when demounted
US-9581662-B2 · Feb 28, 2017 · US
Magnetic circuit for magnetic field generator
US-9576712-B2 · Feb 21, 2017 · US
Determination of a magnetic resonance system activation sequence
US-9562958-B2 · Feb 7, 2017 · US
Low field magnetic resonance imaging methods and apparatus
US-9541616-B2 · Jan 10, 2017 · US
Double shell noise reducing magnetic resonance apparatus
US-9500729-B2 · Nov 22, 2016 · US
Radio frequency coil methods and apparatus
US-2016334479-A1 · Nov 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R33/38?
- CPC G01R33/38 is the Cooperative Patent Classification code for “Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field.”
- How many patents are filed under CPC G01R33/38 (Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field)?
- Our database includes 247 publications tagged with this CPC code.
- Is patent activity under CPC G01R33/38 growing?
- Publication counts under this code: 13 in 2024 vs 11 in 2025 (latest complete years).