- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 13/41 - Sparking plugs structurally combined with other devices with interference suppressing or shielding means
Patent holdings for IPC class H01T 13/41
Total number of patents in this class: 58
10-year publication summary
|
12
|
9
|
6
|
9
|
2
|
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. | 1415 |
21 |
| Robert Bosch GmbH | 44254 |
11 |
| Denso Corporation | 25645 |
6 |
| NGK Spark Plug Co., Ltd. | 872 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 694 |
2 |
| PGI Northstar LLC | 398 |
2 |
| The Boeing Company | 20186 |
1 |
| Pratt & Whitney Canada Corp. | 5517 |
1 |
| Hyundai Motor Company | 24808 |
1 |
| Kia Motors Corporation | 7718 |
1 |
| BorgWarner BERU Systems GmbH | 45 |
1 |
| DKT Verwaltungs-GmbH | 16 |
1 |
| Eldor Corporation S.p.A. | 115 |
1 |
| Federal-Mogul Ignition GmbH | 55 |
1 |
| Ming Zheng | 7 |
1 |
| IC LLC | 2 |
1 |
| Federal-Mogul Ignition LLC | 126 |
1 |
| Innio Jenbacher GmbH & Co og | 306 |
1 |
| Diamond&zebra Electric Mfg. Co., Ltd. | 52 |
1 |
| Sparkx GmbH | 2 |
1 |
| Other owners | 0 |