- 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: 173
10-year publication summary
|
20
|
13
|
13
|
12
|
10
|
10
|
11
|
13
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24525 |
26 |
| Eaton Intelligent Power Limited | 5974 |
12 |
| Meidensha Corporation | 880 |
9 |
| Siemens Energy Global GmbH & Co. KG | 2937 |
8 |
| Eaton Corporation | 1820 |
5 |
| Sumitomo Electric Industries, Ltd. | 15414 |
4 |
| ABB Schweiz AG | 6917 |
4 |
| Littelfuse, Inc. | 785 |
4 |
| Stacom Engineering Company | 4 |
4 |
| Mitsubishi Electric Corporation | 45946 |
3 |
| Alstom Technology Ltd | 1109 |
3 |
| Siemens Industry, Inc. | 1447 |
3 |
| ABB Research Ltd. | 889 |
3 |
| Dowa Metaltech Co., Ltd. | 164 |
3 |
| Impact Coatings AB | 18 |
3 |
| PLANSEE Powertech AG | 5 |
3 |
| Toshiba Corporation | 12317 |
2 |
| Tyco Electronics AMP GmbH | 225 |
2 |
| Omron Corporation | 7251 |
2 |
| Alps Electric Co., Ltd. | 813 |
2 |
| Other owners | 68 |