- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 13/14 - Means for self-cleaning
Patent holdings for IPC class H01T 13/14
Total number of patents in this class: 32
10-year publication summary
|
6
|
3
|
2
|
5
|
1
|
3
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24588 |
6 |
| Jefferies Finance LLC | 188 |
4 |
| Robert Bosch GmbH | 42861 |
3 |
| Niterra Co., Ltd. | 1317 |
3 |
| NGK Spark Plug Co., Ltd. | 888 |
2 |
| FRAM Group IP LLC | 121 |
2 |
| DENSO International America, Inc. | 625 |
1 |
| Caterpillar Inc. | 9659 |
1 |
| Cummins Inc. | 2613 |
1 |
| Federal-Mogul Ignition GmbH | 54 |
1 |
| Hidria AET druzba za Proizvodnjo Vzignih Sistemov in Elektronike d.o.o. | 11 |
1 |
| MTU Friedrichshafen GmbH | 294 |
1 |
| Rheem Manufacturing Company | 990 |
1 |
| Safran Aircraft Engines | 6329 |
1 |
| Eco-S Spark Plug Corporation | 1 |
1 |
| Man Energy Solutions SE | 256 |
1 |
| Weichai Torch Technology Co.,Ltd | 6 |
1 |
| Clean Combustion Engine Technology Inc. | 2 |
1 |
| Other owners | 0 |