- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/66 - Contacts sealed in an evacuated or gas-filled envelope, e.g. magnetic dry-reed contacts
Patent holdings for IPC class H01H 1/66
Total number of patents in this class: 110
10-year publication summary
|
7
|
5
|
5
|
3
|
5
|
7
|
6
|
2
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7334 |
17 |
| Fuji Electric FA Components & Systems Co., Ltd. | 242 |
10 |
| Siemens AG | 24199 |
5 |
| Fuji Electric Co., Ltd. | 5394 |
5 |
| Eaton Intelligent Power Limited | 6162 |
5 |
| Littelfuse, Inc. | 792 |
4 |
| Apple Inc. | 58122 |
3 |
| International Business Machines Corporation | 62251 |
3 |
| ABB S.p.A. | 438 |
3 |
| Lsis Co., Ltd. | 814 |
3 |
| Southern Electrical Equipment Co., Inc | 4 |
3 |
| Rincon Power, LLC | 7 |
3 |
| Panasonic Electric Works Co., Ltd. | 686 |
2 |
| Sumitomo Electric Industries, Ltd. | 16113 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
2 |
| ABB Schweiz AG | 7460 |
2 |
| Kabushiki Kaisha Yaskawa Denki | 1466 |
2 |
| Sensata Technologies, Inc. | 426 |
2 |
| TE Connectivity Solutions GmbH | 2966 |
2 |
| Illinois Tool Works Inc. | 11742 |
1 |
| Other owners | 31 |