- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 13/54 - Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
Patent holdings for IPC class H01T 13/54
Total number of patents in this class: 256
10-year publication summary
|
17
|
19
|
16
|
17
|
28
|
44
|
34
|
16
|
9
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44254 |
59 |
| Denso Corporation | 25645 |
22 |
| Federal-Mogul Ignition GmbH | 55 |
15 |
| NGK Spark Plug Co., Ltd. | 872 |
14 |
| Woodward, Inc. | 677 |
14 |
| Niterra Co., Ltd. | 1415 |
14 |
| DKT Verwaltungs-GmbH | 16 |
13 |
| Caterpillar Energy Solutions GmbH | 151 |
11 |
| Caterpillar Inc. | 10280 |
10 |
| Bayerische Motoren Werke Aktiengesellschaft | 15373 |
9 |
| Innio Jenbacher GmbH & Co og | 306 |
6 |
| Cummins Inc. | 2641 |
4 |
| MTU Friedrichshafen GmbH | 294 |
4 |
| Prometheus Applied Technologies, LLC | 32 |
4 |
| Mercedes-Benz Group AG | 5594 |
4 |
| General Electric Company | 13915 |
2 |
| Toyota Motor Corporation | 35927 |
2 |
| Daimler AG | 2811 |
2 |
| Aramco Services Company | 4192 |
2 |
| AVL List GmbH | 1330 |
2 |
| Other owners | 43 |