- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/08 - Locating faults in cables, transmission lines, or networks
Patent holdings for IPC class G01R 31/08
Total number of patents in this class: 5897
10-year publication summary
|
328
|
241
|
250
|
244
|
243
|
226
|
205
|
211
|
201
|
190
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22095 |
279 |
| Ericsson | 21968 |
157 |
| Huawei Technologies Co., Ltd. | 114984 |
116 |
| Schweitzer Engineering Laboratories, Inc. | 908 |
108 |
| Samsung Electronics Co., Ltd. | 148584 |
86 |
| Hitachi Energy Ltd. | 2311 |
83 |
| Siemens AG | 24363 |
82 |
| Qualcomm Incorporated | 86992 |
80 |
| Avago Technologies International Sales Pte. Limited | 8681 |
73 |
| AT&T Intellectual Property I, L.P. | 9647 |
65 |
| LG Electronics Inc. | 73818 |
62 |
| Juniper Networks, Inc. | 3752 |
57 |
| ABB Schweiz AG | 7127 |
56 |
| General Electric Technology GmbH | 1372 |
56 |
| Marvell Asia PTE, Ltd. | 6432 |
54 |
| Cavium International | 4933 |
53 |
| Apple Inc. | 55916 |
50 |
| International Business Machines Corporation | 61651 |
48 |
| Verizon Patent And Licensing Inc. | 7197 |
47 |
| Hewlett Packard Enterprise Development LP | 10765 |
40 |
| Other owners | 4245 |