- 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: 1625
10-year publication summary
|
127
|
131
|
149
|
140
|
133
|
179
|
178
|
158
|
156
|
48
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
57 |
| Siemens AG | 24990 |
56 |
| ABB Schweiz AG | 6321 |
56 |
| LG Energy Solution, Ltd. | 10813 |
52 |
| Omicron Electronics GmbH | 259 |
48 |
| Schneider Electric Industries SAS | 1376 |
29 |
| Robert Bosch GmbH | 40953 |
28 |
| LG Chem, Ltd. | 17205 |
27 |
| Mitsubishi Electric Corporation | 43934 |
24 |
| Shanghai Roye Electric Co., Ltd. | 37 |
23 |
| Leviton Manufacturing Co., Inc. | 844 |
22 |
| Rockwell Automation Technologies, Inc. | 2547 |
19 |
| ARC Suppression Technologies | 40 |
17 |
| State Grid Corporation of China | 1308 |
16 |
| GS Yuasa International Ltd. | 1834 |
14 |
| Phoenix Contact GmbH & Co. KG | 2202 |
14 |
| LS ELECTRIC Co., Ltd | 506 |
14 |
| Hubbell Incorporated | 3052 |
13 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
13 |
| Hitachi Energy Ltd. | 1921 |
13 |
| Other owners | 1070 |