- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 21/133 - Arrangements for measuring electric power or power factor by using digital technique
Patent holdings for IPC class G01R 21/133
Total number of patents in this class: 1176
10-year publication summary
|
157
|
134
|
114
|
117
|
115
|
103
|
71
|
56
|
73
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schneider Electric USA, Inc. | 1288 |
43 |
| EI Electronics LLC d/b/a Electro Industries/gauge Tech | 112 |
17 |
| NEC Corporation | 35687 |
15 |
| Siemens AG | 24477 |
14 |
| Schneider Electric Industries SAS | 1488 |
13 |
| Landis+Gyr Technology, Inc. | 448 |
13 |
| Samsung Electronics Co., Ltd. | 146346 |
12 |
| Fujitsu Limited | 18366 |
12 |
| Analog Devices International Unlimited Company | 1914 |
12 |
| Mitsubishi Electric Corporation | 46127 |
11 |
| Melrok, LLC | 15 |
11 |
| Sagemcom Energy & Telecom SAS | 257 |
11 |
| Lsis Co., Ltd. | 816 |
10 |
| Sense Labs, Inc. | 58 |
10 |
| Veris Industries, LLC | 75 |
10 |
| Eaton Intelligent Power Limited | 5989 |
10 |
| Strong Force EE Portfolio 2022, LLC | 38 |
10 |
| Apple Inc. | 54937 |
9 |
| ROHDE & Schwarz GmbH & Co. KG | 1932 |
9 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
9 |
| Other owners | 915 |