- 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: 107
10-year publication summary
|
8
|
7
|
5
|
5
|
3
|
5
|
6
|
4
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7297 |
17 |
| Fuji Electric FA Components & Systems Co., Ltd. | 250 |
10 |
| Siemens AG | 24409 |
5 |
| Fuji Electric Co., Ltd. | 5194 |
5 |
| Eaton Intelligent Power Limited | 6014 |
5 |
| Littelfuse, Inc. | 794 |
4 |
| Apple Inc. | 55387 |
3 |
| International Business Machines Corporation | 61433 |
3 |
| ABB S.p.A. | 439 |
3 |
| Lsis Co., Ltd. | 816 |
3 |
| Panasonic Electric Works Co., Ltd. | 715 |
2 |
| Sumitomo Electric Industries, Ltd. | 15593 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
2 |
| ABB Schweiz AG | 7039 |
2 |
| Kabushiki Kaisha Yaskawa Denki | 1472 |
2 |
| Southern Electrical Equipment Co., Inc | 3 |
2 |
| TE Connectivity Solutions GmbH | 2844 |
2 |
| Rincon Power, LLC | 6 |
2 |
| Illinois Tool Works Inc. | 11494 |
1 |
| Honeywell International Inc. | 13550 |
1 |
| Other owners | 31 |