- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/42 - AC power supplies
Patent holdings for IPC class G01R 31/42
Total number of patents in this class: 532
10-year publication summary
|
57
|
56
|
57
|
50
|
54
|
25
|
50
|
20
|
27
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rockwell Automation Technologies, Inc. | 2667 |
16 |
| SMA Solar Technology AG | 857 |
16 |
| ABB Schweiz AG | 6635 |
12 |
| Siemens AG | 24568 |
11 |
| Eaton Intelligent Power Limited | 6308 |
11 |
| Mitsubishi Electric Corporation | 44904 |
10 |
| Fuji Electric Co., Ltd. | 4984 |
10 |
| Denso Corporation | 23803 |
8 |
| Lsis Co., Ltd. | 817 |
8 |
| Tatsumi Ryoki Co., Ltd | 103 |
8 |
| TMEIC Corporation | 705 |
8 |
| Texas Instruments Incorporated | 19447 |
7 |
| Robert Bosch GmbH | 41823 |
7 |
| Hyundai Motor Company | 20512 |
7 |
| Continental Automotive GmbH | 5540 |
7 |
| Fronius International GmbH | 670 |
7 |
| Grid20/20, Inc. | 31 |
7 |
| Infineon Technologies Austria AG | 2069 |
6 |
| Toyota Motor Corporation | 30499 |
5 |
| Deere & Company | 7348 |
5 |
| Other owners | 356 |