- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 1/22 - Tong testers acting as secondary windings of current transformers
Patent holdings for IPC class G01R 1/22
Total number of patents in this class: 81
10-year publication summary
|
11
|
9
|
10
|
8
|
6
|
4
|
1
|
3
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluke Corporation | 966 |
17 |
| Milwaukee Electric Tool Corporation | 4472 |
7 |
| Sentient Technology Holdings, LLC. | 43 |
6 |
| Hioki E.E. Corporation | 137 |
5 |
| The Board of Trustees of the University of Alabama | 419 |
3 |
| Schneider Electric IT Corporation | 773 |
3 |
| Cantega Technologies Inc. | 53 |
2 |
| Cvengineering Corporation | 4 |
2 |
| Hioki Denki Kabushiki Kaisha | 33 |
2 |
| Thomas & Betts International LLC | 412 |
2 |
| Eaton Intelligent Power Limited | 6023 |
2 |
| Analog Devices International Unlimited Company | 1954 |
2 |
| Infineon Technologies AG | 8255 |
1 |
| Black & Decker, Inc. | 2408 |
1 |
| Omron Corporation | 7298 |
1 |
| Alps Electric Co., Ltd. | 804 |
1 |
| Hubbell Incorporated | 3305 |
1 |
| ABB Schweiz AG | 7055 |
1 |
| Aclara Technologies LLC | 259 |
1 |
| Chauvin ARNOUX | 52 |
1 |
| Other owners | 20 |