- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 13/50 - Sparking plugs having means for ionisation of gap
Patent holdings for IPC class H01T 13/50
Total number of patents in this class: 163
10-year publication summary
|
23
|
21
|
8
|
5
|
3
|
1
|
1
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Federal-Mogul Motorparts LLC | 603 |
20 |
| Federal-Mogul Ignition LLC | 126 |
20 |
| BorgWarner Ludwigsburg GmbH | 104 |
14 |
| Federal-Mogul Ignition Company | 94 |
14 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 112 |
11 |
| Federal-Mogul LLC | 53 |
8 |
| Denso Corporation | 25676 |
7 |
| Tenneco Inc | 51 |
7 |
| West Virginia University | 182 |
6 |
| RENAULT s.a.s. | 5372 |
5 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 694 |
4 |
| NGK Spark Plug Co., Ltd. | 872 |
3 |
| Plasma Applications Co., Ltd. | 6 |
3 |
| Robert Bosch GmbH | 44252 |
2 |
| GM Global Technology Operations LLC | 16205 |
2 |
| Mitsubishi Electric Corporation | 48236 |
2 |
| Champion Aerospace LLC | 29 |
2 |
| Imagineering, Inc. | 125 |
2 |
| McAlister Technologies, LLC | 125 |
2 |
| Svmtech, LLC | 17 |
2 |
| Other owners | 27 |