- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 22/04 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by calorimetric methods
Patent holdings for IPC class G01R 22/04
Total number of patents in this class: 4
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Keysight Technologies, Inc. | 1263 |
1 |
| Maxim Integrated Products, Inc. | 1028 |
1 |
| Landis+Gyr Technology, Inc. | 524 |
1 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
1 |
| Other owners | 0 |