- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 1/12 - Means structurally associated with spark gap for recording operation thereof
Patent holdings for IPC class H01T 1/12
Total number of patents in this class: 39
10-year publication summary
|
4
|
3
|
0
|
4
|
1
|
1
|
2
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DEHN + SÖHNE GmbH + Co. KG | 128 |
10 |
| Phoenix Contact GmbH & Co. KG | 2266 |
8 |
| Dehn SE | 158 |
4 |
| TDK Electronics AG | 926 |
3 |
| Eaton Industries (Austria) GmbH | 104 |
2 |
| Saltek s.r.o | 29 |
2 |
| DEHN SE + Co KG | 40 |
2 |
| Siemens AG | 24563 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
1 |
| Daikin Industries, Ltd. | 9944 |
1 |
| ABB Oy | 162 |
1 |
| OBO Bettermann GmbH & Co. KG | 15 |
1 |
| Eaton Intelligent Power Limited | 5926 |
1 |
| Mersen USA EP Corp. | 21 |
1 |
| Hitachi Energy Switzerland AG | 304 |
1 |
| Other owners | 0 |