- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 35/04 - Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Patent holdings for IPC class G01R 35/04
Total number of patents in this class: 251
10-year publication summary
|
21
|
18
|
18
|
22
|
13
|
17
|
14
|
12
|
10
|
5
|
| 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 | 1367 |
15 |
| Landis+Gyr Technology, Inc. | 447 |
10 |
| Analog Devices International Unlimited Company | 1905 |
7 |
| Schneider Electric USA, Inc. | 1290 |
6 |
| Itron, Inc. | 885 |
5 |
| Honeywell International Inc. | 13545 |
4 |
| Texas Instruments Incorporated | 19470 |
4 |
| Lapis Semiconductor Co., Ltd. | 886 |
4 |
| Xj Group Corporation | 63 |
4 |
| Landis+Gyr LLC | 83 |
4 |
| Xj Metering Co., Ltd. | 10 |
4 |
| Eaton Corporation | 1820 |
3 |
| Aclara Meters LLC | 79 |
3 |
| Hydro-Quebec | 650 |
3 |
| Panoramic Power Ltd. | 48 |
3 |
| Veris Industries, LLC | 75 |
3 |
| Analog Devices Global Unlimited Company | 122 |
3 |
| Guangdongorient Telecommunication Technology Co., Ltd. | 3 |
3 |
| Shenzhen Star Instrument Co., Ltd. | 21 |
3 |
| Siemens AG | 24484 |
2 |
| Other owners | 158 |