- 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: 76
10-year publication summary
|
10
|
9
|
14
|
7
|
8
|
6
|
6
|
2
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60804 |
5 |
| Samsung Electronics Co., Ltd. | 143303 |
4 |
| HZO, Inc. | 116 |
4 |
| Apple Inc. | 54252 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8608 |
3 |
| Qualitrol Company, LLC | 55 |
3 |
| ZTE Corporation | 41858 |
2 |
| Huawei Device Co., Ltd. | 2754 |
2 |
| OVH | 292 |
2 |
| Revive Electronics, LLC | 37 |
2 |
| Torqeedo GmbH | 91 |
2 |
| PlanBlue GmbH | 12 |
2 |
| Siemens AG | 24562 |
1 |
| British Telecommunications Public Limited Company | 2599 |
1 |
| Robert Bosch GmbH | 42354 |
1 |
| Koninklijke Philips Electronics N.V. | 10161 |
1 |
| Medtronic, Inc. | 9781 |
1 |
| Mitsubishi Electric Corporation | 45646 |
1 |
| NPX B.V. | 2463 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30769 |
1 |
| Other owners | 34 |