- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 21/00 - Arrangements for measuring electric power or power factor
Patent holdings for IPC class G01R 21/00
Total number of patents in this class: 1216
10-year publication summary
|
125
|
101
|
73
|
66
|
72
|
49
|
41
|
39
|
39
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schneider Electric USA, Inc. | 1279 |
25 |
| NEC Corporation | 35471 |
24 |
| Lutron Technology Company LLC | 2533 |
19 |
| Texas Instruments Incorporated | 19481 |
16 |
| Samsung Electronics Co., Ltd. | 144675 |
15 |
| Schweitzer Engineering Laboratories, Inc. | 914 |
15 |
| Fujitsu Limited | 18354 |
12 |
| Mitsubishi Electric Corporation | 45899 |
12 |
| Omron Corporation | 7244 |
12 |
| Landis+Gyr Technology, Inc. | 444 |
11 |
| EI Electronics LLC d/b/a Electro Industries/gauge Tech | 112 |
11 |
| Sony Corporation | 31124 |
10 |
| Panasonic Corporation | 20149 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
10 |
| Itron, Inc. | 879 |
10 |
| Honeywell International Inc. | 13573 |
9 |
| Eaton Intelligent Power Limited | 5976 |
9 |
| Legrand DPC, LLC | 228 |
9 |
| International Business Machines Corporation | 61144 |
8 |
| The Nielsen Company (US), LLC | 2642 |
8 |
| Other owners | 961 |