- All sections
- H - Electricity
- H01T - Spark gaps; overvoltage arresters using spark gaps; sparking plugs; corona devices; generating 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: 94
10-year publication summary
|
11
|
13
|
17
|
7
|
5
|
6
|
2
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23747 |
13 |
| Niterra Co., Ltd. | 1195 |
13 |
| Robert Bosch GmbH | 41765 |
7 |
| NGK Spark Plug Co., Ltd. | 901 |
6 |
| BorgWarner Ludwigsburg GmbH | 105 |
3 |
| Federal-Mogul Ignition Company | 94 |
3 |
| SEM AB | 42 |
3 |
| Delphi Technologies, Inc. | 452 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13850 |
2 |
| Eldor Corporation S.p.A. | 120 |
2 |
| Imagineering, Inc. | 125 |
2 |
| Marshall Electric Corporation | 15 |
2 |
| MOTORTECH GmbH | 11 |
2 |
| Woodward, Inc. | 628 |
2 |
| Tenneco Inc | 283 |
2 |
| Man Energy Solutions SE | 271 |
2 |
| Honda Motor Co., Ltd. | 24868 |
1 |
| Siemens AG | 24573 |
1 |
| GM Global Technology Operations LLC | 14229 |
1 |
| Ford Global Technologies, LLC | 20063 |
1 |
| Other owners | 24 |