- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/02 - Contacts characterised by the material thereof
Patent holdings for IPC class H01H 1/02
Total number of patents in this class: 172
10-year publication summary
|
13
|
13
|
12
|
10
|
10
|
11
|
13
|
6
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
25 |
| Eaton Intelligent Power Limited | 6243 |
12 |
| Meidensha Corporation | 929 |
9 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
8 |
| Eaton Corporation | 1804 |
5 |
| Stacom Engineering Company | 5 |
5 |
| Sumitomo Electric Industries, Ltd. | 16331 |
4 |
| ABB Schweiz AG | 7607 |
4 |
| Littelfuse, Inc. | 793 |
4 |
| Mitsubishi Electric Corporation | 48018 |
3 |
| Alstom Technology Ltd | 1045 |
3 |
| Siemens Industry, Inc. | 1584 |
3 |
| Dowa Metaltech Co., Ltd. | 174 |
3 |
| PLANSEE Powertech AG | 5 |
3 |
| Hitachi Energy Ltd. | 2579 |
3 |
| Toshiba Corporation | 12560 |
2 |
| Nike, Inc. | 14820 |
2 |
| Tyco Electronics AMP GmbH | 213 |
2 |
| Omron Corporation | 7360 |
2 |
| Alps Electric Co., Ltd. | 758 |
2 |
| Other owners | 68 |