- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 9/04 - Instruments employing mechanical resonance using vibrating reeds, e.g. for measuring frequency
Patent holdings for IPC class G01R 9/04
Total number of patents in this class: 6
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Industry, Inc. | 1462 |
2 |
| Oracle America, Inc. | 3074 |
1 |
| Endress + Hauser Flowtec AG | 609 |
1 |
| Landis+Gyr Technology, Inc. | 446 |
1 |
| Cytiva Sweden AB | 763 |
1 |
| Other owners | 0 |