- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 1095
10-year publication summary
|
136
|
157
|
134
|
114
|
117
|
116
|
105
|
70
|
49
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schneider Electric USA, Inc. | 1192 |
40 |
| NEC Corporation | 32703 |
16 |
| EI Electronics LLC d/b/a Electro Industries/gauge Tech | 128 |
16 |
| Siemens AG | 24990 |
13 |
| Fujitsu Limited | 19265 |
13 |
| Analog Devices International Unlimited Company | 1724 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Melrok, LLC | 15 |
11 |
| Schneider Electric Industries SAS | 1376 |
11 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Lsis Co., Ltd. | 834 |
10 |
| Sagemcom Energy & Telecom SAS | 225 |
10 |
| Sense Labs, Inc. | 61 |
10 |
| Veris Industries, LLC | 81 |
10 |
| Landis+Gyr Technology, Inc. | 406 |
10 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
9 |
| Intel Corporation | 45621 |
8 |
| Texas Instruments Incorporated | 19376 |
8 |
| Panoramic Power Ltd. | 48 |
8 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
8 |
| Other owners | 851 |