- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 13/04 - Means providing electrical connection to sparking plugs
Patent holdings for IPC class H01T 13/04
Total number of patents in this class: 95
10-year publication summary
|
13
|
17
|
7
|
5
|
6
|
2
|
2
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Niterra Co., Ltd. | 1399 |
14 |
| Denso Corporation | 25513 |
13 |
| Robert Bosch GmbH | 44128 |
7 |
| NGK Spark Plug Co., Ltd. | 875 |
6 |
| BorgWarner Ludwigsburg GmbH | 104 |
3 |
| Federal-Mogul Ignition Company | 94 |
3 |
| Marshall Electric Corporation | 16 |
3 |
| SEM AB | 51 |
3 |
| Federal-Mogul Motorparts LLC | 604 |
3 |
| Federal-Mogul Ignition LLC | 126 |
3 |
| Delphi Technologies, Inc. | 393 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15252 |
2 |
| Eldor Corporation S.p.A. | 124 |
2 |
| Imagineering, Inc. | 125 |
2 |
| MOTORTECH GmbH | 11 |
2 |
| Woodward, Inc. | 675 |
2 |
| Everllence SE | 187 |
2 |
| Honda Motor Co., Ltd. | 26008 |
1 |
| GM Global Technology Operations LLC | 16106 |
1 |
| Ford Global Technologies, LLC | 21478 |
1 |
| Other owners | 20 |