- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/50 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
Patent holdings for IPC class H01H 1/50
Total number of patents in this class: 194
10-year publication summary
|
17
|
17
|
12
|
18
|
15
|
10
|
15
|
10
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24561 |
21 |
| Omron Corporation | 7236 |
16 |
| ABB Schweiz AG | 6887 |
8 |
| ARC Suppression Technologies | 40 |
8 |
| Eaton Intelligent Power Limited | 5955 |
7 |
| Hitachi Energy Ltd. | 2180 |
6 |
| Schneider Electric Industries SAS | 1472 |
5 |
| Schneider Electric USA, Inc. | 1277 |
5 |
| Mitsubishi Electric Corporation | 45811 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
4 |
| ABB Oy | 162 |
4 |
| Siemens Energy Global GmbH & Co. KG | 2916 |
4 |
| ABB Technology AG | 1256 |
3 |
| Maschinenfabrik Reinhausen GmbH | 745 |
3 |
| Pierburg GmbH | 465 |
3 |
| Valeo Equipements Electriques Moteur | 1001 |
3 |
| Johnson Electric International AG | 368 |
3 |
| Alstom Technology Ltd | 1112 |
2 |
| ZF Friedrichshafen AG | 7118 |
2 |
| ABB S.p.A. | 444 |
2 |
| Other owners | 81 |