- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
Patent holdings for IPC class G01R 31/327
Total number of patents in this class: 1722
10-year publication summary
|
131
|
149
|
140
|
133
|
179
|
179
|
160
|
159
|
137
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6296 |
61 |
| ABB Schweiz AG | 6624 |
57 |
| Siemens AG | 24573 |
55 |
| LG Energy Solution, Ltd. | 12838 |
55 |
| Omicron Electronics GmbH | 264 |
48 |
| Robert Bosch GmbH | 41765 |
32 |
| Schneider Electric Industries SAS | 1437 |
30 |
| LG Chem, Ltd. | 17637 |
27 |
| Shanghai Roye Electric Co., Ltd. | 40 |
26 |
| Mitsubishi Electric Corporation | 44794 |
23 |
| Rockwell Automation Technologies, Inc. | 2647 |
23 |
| Leviton Manufacturing Co., Inc. | 823 |
21 |
| Phoenix Contact GmbH & Co. KG | 2248 |
18 |
| LS ELECTRIC Co., Ltd | 602 |
18 |
| ARC Suppression Technologies | 40 |
17 |
| Hubbell Incorporated | 3162 |
16 |
| State Grid Corporation of China | 1347 |
16 |
| Hyundai Motor Company | 20442 |
14 |
| Hitachi Energy Ltd. | 2232 |
14 |
| GS Yuasa International Ltd. | 1961 |
13 |
| Other owners | 1138 |