- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 35/02 - Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Patent holdings for IPC class G01R 35/02
Total number of patents in this class: 140
10-year publication summary
|
4
|
6
|
4
|
6
|
12
|
5
|
9
|
11
|
9
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| State Grid Corporation of China | 1379 |
9 |
| China Electric Power Research Institute | 282 |
5 |
| Vutility, Inc. | 29 |
4 |
| Honeywell International Inc. | 13568 |
3 |
| Generac Power Systems, Inc. | 377 |
3 |
| Electric Power Research Institute, Yunnan Power Grid Co., Ltd. | 34 |
3 |
| Siemens AG | 24333 |
2 |
| Xerox Corporation | 6922 |
2 |
| ABB Schweiz AG | 7178 |
2 |
| ABB Technology AG | 1246 |
2 |
| Arteche Centro de Tecnología, A.I.E. | 6 |
2 |
| Chengdu KaiPu Electronic Science and Technologies Co. Ltd. | 4 |
2 |
| Guildline Instruments Limited | 33 |
2 |
| Jiangsu Electric Power Company | 66 |
2 |
| Korea Research Institute of Standards and Science | 683 |
2 |
| Memorial Sloan-Kettering Cancer Center | 1985 |
2 |
| Omicron Electronics GmbH | 275 |
2 |
| Schneider Electric USA, Inc. | 1316 |
2 |
| State Grid Corporation of China (sgcc) | 53 |
2 |
| The Board of Regents of the University of Texas System | 2229 |
2 |
| Other owners | 85 |