- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring 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: 1991
10-year publication summary
|
149
|
140
|
133
|
180
|
179
|
162
|
166
|
143
|
164
|
103
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Schweiz AG | 7590 |
68 |
| LG Energy Solution, Ltd. | 18838 |
63 |
| Siemens AG | 24033 |
61 |
| Eaton Intelligent Power Limited | 6236 |
59 |
| Omicron Electronics GmbH | 281 |
49 |
| Robert Bosch GmbH | 44128 |
35 |
| Schneider Electric Industries SAS | 1592 |
35 |
| LG Chem, Ltd. | 17921 |
27 |
| Leviton Manufacturing Co., Inc. | 813 |
27 |
| Shanghai Roye Electric Co., Ltd. | 41 |
27 |
| Mitsubishi Electric Corporation | 47971 |
24 |
| Rockwell Automation Technologies, Inc. | 2801 |
23 |
| LS ELECTRIC Co., Ltd | 841 |
23 |
| Hubbell Incorporated | 3442 |
21 |
| Phoenix Contact GmbH & Co. KG | 2292 |
21 |
| Samsung SDI Co., Ltd. | 10556 |
18 |
| ARC Suppression Technologies | 40 |
17 |
| Hyundai Motor Company | 24602 |
16 |
| GS Yuasa International Ltd. | 2246 |
16 |
| Schneider Electric USA, Inc. | 1327 |
16 |
| Other owners | 1345 |