- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 21/01 - Arrangements for measuring electric power or power factor in circuits having distributed constants
Patent holdings for IPC class G01R 21/01
Total number of patents in this class: 47
10-year publication summary
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4
|
1
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6
|
4
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4
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3
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5
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2
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3
|
1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84847 |
6 |
| Bird Technologies Group Inc. | 67 |
5 |
| Apple Inc. | 54610 |
3 |
| Linevision, Inc. | 14 |
3 |
| Elbex Video Ltd. | 99 |
2 |
| ROHDE & Schwarz GmbH & Co. KG | 1919 |
2 |
| Schneider Electric USA, Inc. | 1282 |
2 |
| International Business Machines Corporation | 61185 |
1 |
| NEC Corporation | 35509 |
1 |
| Hewlett-Packard Development Company, L.P. | 25910 |
1 |
| Hitachi, Ltd. | 15467 |
1 |
| Infineon Technologies AG | 8209 |
1 |
| Analog Devices, Inc. | 3384 |
1 |
| Lam Research Corporation | 5213 |
1 |
| Silicon Laboratories Inc. | 1127 |
1 |
| Hubbell Incorporated | 3247 |
1 |
| University of Florida Research Foundation, Inc. | 4002 |
1 |
| Advanced Energy Industries, Inc. | 469 |
1 |
| Lisa Dräxlmaier GmbH | 575 |
1 |
| Maxim Integrated Products, Inc. | 1037 |
1 |
| Other owners | 11 |