- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency 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: 168
10-year publication summary
|
18
|
20
|
13
|
13
|
12
|
10
|
10
|
11
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
23 |
| Eaton Intelligent Power Limited | 6113 |
13 |
| Meidensha Corporation | 823 |
9 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
8 |
| Eaton Corporation | 1839 |
5 |
| Littelfuse, Inc. | 758 |
5 |
| Stacom Engineering Company | 4 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Alstom Technology Ltd | 1196 |
3 |
| Siemens Industry, Inc. | 1417 |
3 |
| ABB Schweiz AG | 6321 |
3 |
| ABB Technology AG | 1301 |
3 |
| ABB Research Ltd. | 953 |
3 |
| Dowa Metaltech Co., Ltd. | 150 |
3 |
| Impact Coatings AB | 19 |
3 |
| PLANSEE Powertech AG | 5 |
3 |
| Tyco Electronics AMP GmbH | 230 |
2 |
| Omron Corporation | 6968 |
2 |
| Alps Electric Co., Ltd. | 851 |
2 |
| Other owners | 65 |