- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 5/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
Patent holdings for IPC class H02H 5/08
Total number of patents in this class: 80
10-year publication summary
|
9
|
14
|
7
|
7
|
6
|
6
|
2
|
5
|
3
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 62634 |
5 |
| Samsung Electronics Co., Ltd. | 157719 |
4 |
| HZO, Inc. | 114 |
4 |
| Apple Inc. | 58742 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
3 |
| Qualitrol Company, LLC | 54 |
3 |
| ZTE Corporation | 44170 |
2 |
| Huawei Device Co., Ltd. | 2740 |
2 |
| OVH | 291 |
2 |
| Revive Electronics, LLC | 47 |
2 |
| Torqeedo GmbH | 89 |
2 |
| Siemens AG | 24029 |
1 |
| British Telecommunications Public Limited Company | 2601 |
1 |
| Robert Bosch GmbH | 44160 |
1 |
| Koninklijke Philips Electronics N.V. | 7455 |
1 |
| Medtronic, Inc. | 9792 |
1 |
| Mitsubishi Electric Corporation | 48018 |
1 |
| NPX B.V. | 2820 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
1 |
| NVIDIA Corporation | 8616 |
1 |
| Other owners | 39 |