- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 13/40 - Sparking plugs structurally combined with other devices
Patent holdings for IPC class H01T 13/40
Total number of patents in this class: 63
10-year publication summary
|
9
|
11
|
6
|
4
|
6
|
3
|
4
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Niterra Co., Ltd. | 1316 |
8 |
| Imagineering, Inc. | 125 |
6 |
| Denso Corporation | 24562 |
5 |
| Caterpillar Inc. | 9644 |
3 |
| Robert Bosch GmbH | 42826 |
2 |
| NGK Spark Plug Co., Ltd. | 888 |
2 |
| Eldor Corporation S.p.A. | 128 |
2 |
| Pratt & Whitney Canada Corp. | 4838 |
1 |
| Ford Global Technologies, LLC | 20755 |
1 |
| TDK Corporation | 6873 |
1 |
| Daimler AG | 3351 |
1 |
| Schaeffler Technologies AG & Co. KG | 10035 |
1 |
| Aramco Services Company | 4039 |
1 |
| BorgWarner Ludwigsburg GmbH | 104 |
1 |
| BYD Company Limited | 5207 |
1 |
| Caterpillar Energy Solutions GmbH | 148 |
1 |
| Continental Automotive France | 621 |
1 |
| Federal-Mogul Ignition GmbH | 54 |
1 |
| Federal-Mogul Ignition Srl | 1 |
1 |
| Hidria AET druzba za Proizvodnjo Vzignih Sistemov in Elektronike d.o.o. | 11 |
1 |
| Other owners | 22 |