- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 4/08 - Overvoltage arresters using spark gaps structurally associated with protected apparatus
Patent holdings for IPC class H01T 4/08
Total number of patents in this class: 72
10-year publication summary
|
7
|
8
|
9
|
6
|
3
|
2
|
0
|
3
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raycap, S.A. | 34 |
8 |
| TDK Electronics AG | 958 |
5 |
| Analog Devices International Unlimited Company | 1957 |
5 |
| Vestas Wind Systems A/S | 3697 |
3 |
| Siemens AG | 24353 |
2 |
| Murata Manufacturing Co., Ltd. | 24829 |
2 |
| DEHN + SÖHNE GmbH + Co. KG | 125 |
2 |
| PPC Broadband, Inc. | 1080 |
2 |
| Saltek s.r.o | 29 |
2 |
| Smart Electronics Inc. | 36 |
2 |
| Eaton Intelligent Power Limited | 6039 |
2 |
| DEHN SE + Co KG | 40 |
2 |
| Research In Motion Limited | 2006 |
1 |
| Sony Ericsson Mobile Communications AB | 1734 |
1 |
| Mitsubishi Electric Corporation | 46590 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 5669 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
1 |
| Northrop Grumman Systems Corporation | 2934 |
1 |
| Tyco Electronics UK Limited | 471 |
1 |
| ABB Technology AG | 1251 |
1 |
| Other owners | 27 |