- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 19/22 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
Patent holdings for IPC class G01R 19/22
Total number of patents in this class: 121
10-year publication summary
|
11
|
12
|
7
|
8
|
11
|
6
|
14
|
10
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watlow Electric Manufacturing Company | 569 |
7 |
| Texas Instruments Incorporated | 19376 |
3 |
| Aclara Technologies LLC | 218 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Infineon Technologies Austria AG | 1954 |
2 |
| Analog Devices, Inc. | 3475 |
2 |
| Gambro Lundia AB | 1383 |
2 |
| II-VI Delaware, Inc. | 1720 |
2 |
| Isabellenhuette Heusler GmbH & Co. KG | 23 |
2 |
| Korea Electronics Technology Institute | 1358 |
2 |
| Lsis Co., Ltd. | 834 |
2 |
| Panoramic Power Ltd. | 48 |
2 |
| Analog Devices International Unlimited Company | 1724 |
2 |
| AVL Mobility Technologies, Inc. | 44 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Schlumberger Canada Limited | 6913 |
1 |
| Schlumberger Technology B.v. | 4951 |
1 |
| Siemens AG | 24990 |
1 |
| Other owners | 79 |