- 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: 62
10-year publication summary
|
11
|
6
|
4
|
6
|
3
|
4
|
3
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Niterra Co., Ltd. | 1417 |
8 |
| Imagineering, Inc. | 125 |
6 |
| Denso Corporation | 25676 |
5 |
| Caterpillar Inc. | 10299 |
3 |
| Robert Bosch GmbH | 44252 |
2 |
| NGK Spark Plug Co., Ltd. | 872 |
2 |
| Eldor Corporation S.p.A. | 115 |
2 |
| Pratt & Whitney Canada Corp. | 5523 |
1 |
| Ford Global Technologies, LLC | 21582 |
1 |
| TDK Corporation | 6927 |
1 |
| Daimler AG | 2806 |
1 |
| Schaeffler Technologies AG & Co. KG | 11125 |
1 |
| Aramco Services Company | 4192 |
1 |
| BorgWarner Ludwigsburg GmbH | 104 |
1 |
| BYD Company Limited | 6549 |
1 |
| Caterpillar Energy Solutions GmbH | 152 |
1 |
| Federal-Mogul Ignition GmbH | 55 |
1 |
| Hidria AET druzba za Proizvodnjo Vzignih Sistemov in Elektronike d.o.o. | 10 |
1 |
| HOERBIGER Kompressortechnik Holding GmbH | 23 |
1 |
| J.S.T. Mfg. Co., Ltd. | 120 |
1 |
| Other owners | 21 |