- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/38 - Plug-and-socket contacts
Patent holdings for IPC class H01H 1/38
Total number of patents in this class: 135
10-year publication summary
|
12
|
9
|
9
|
21
|
8
|
7
|
2
|
2
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24436 |
22 |
| ABB Schweiz AG | 7009 |
17 |
| Hitachi Energy Ltd. | 2240 |
12 |
| Alstom Technology Ltd | 1097 |
10 |
| ABB Technology AG | 1252 |
10 |
| Siemens Energy Global GmbH & Co. KG | 2998 |
7 |
| Mitsubishi Electric Corporation | 46295 |
5 |
| Eaton Intelligent Power Limited | 6009 |
5 |
| General Electric Technology GmbH | 1372 |
4 |
| ABB Technology Ltd | 478 |
3 |
| Illinois Tool Works Inc. | 11485 |
2 |
| Microsoft Technology Licensing, LLC | 53829 |
2 |
| HSP Hochspannungsgeräte GmbH | 132 |
2 |
| Lsis Co., Ltd. | 816 |
2 |
| PLANSEE Powertech AG | 5 |
2 |
| Schaltbau GmbH | 92 |
2 |
| Schneider Electric USA, Inc. | 1286 |
2 |
| Hyundai Electric & Energy Systems Co., Ltd | 52 |
2 |
| Nuventura GmbH | 10 |
2 |
| ABB Power Grids Switzerland AG | 212 |
2 |
| Other owners | 20 |