- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/06 - Testing of electric windings, e.g. for polarity
Patent holdings for IPC class G01R 31/06
Total number of patents in this class: 239
10-year publication summary
|
24
|
13
|
19
|
16
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24050 |
8 |
| Raytheon Company | 8456 |
6 |
| ABB Technology AG | 1225 |
6 |
| GM Global Technology Operations LLC | 16087 |
5 |
| Doble Engineering Company | 52 |
5 |
| Mitsubishi Electric Corporation | 47943 |
4 |
| ABB Research Ltd. | 796 |
4 |
| Omicron Electronics GmbH | 281 |
4 |
| GE Infrastructure Technology, LLC | 6169 |
4 |
| Kabushiki Kaisha Toyota Jidoshokki | 1810 |
4 |
| Hitachi Energy Ltd. | 2557 |
4 |
| Robert Bosch GmbH | 44094 |
3 |
| Continental Teves AG & Co. oHG | 1467 |
3 |
| Aisin AW Co., Ltd. | 2256 |
3 |
| Industry-academic Cooperation Foundation, Changwon National University | 17 |
3 |
| Jiangsu Electric Power Company | 66 |
3 |
| State Grid Corporation of China | 1399 |
3 |
| General Electric Company | 13894 |
2 |
| Sony Corporation | 30236 |
2 |
| Toyota Motor Corporation | 35578 |
2 |
| Other owners | 161 |