- All sections
- H - Electricity
- H01T - Spark gaps; overvoltage arresters using spark gaps; sparking plugs; corona devices; generating ions to be introduced into non-enclosed gases
- H01T 13/36 - Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
Patent holdings for IPC class H01T 13/36
Total number of patents in this class: 141
10-year publication summary
13
|
12
|
12
|
18
|
9
|
13
|
10
|
5
|
8
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Spark Plug Co., Ltd. | 935 |
38 |
Niterra Co., Ltd. | 1122 |
32 |
Robert Bosch GmbH | 40953 |
18 |
Tenneco Inc | 274 |
12 |
Denso Corporation | 23338 |
8 |
Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 345 |
5 |
DKT Verwaltungs-GmbH | 15 |
4 |
Federal-Mogul Ignition GmbH | 52 |
4 |
Federal-Mogul Ignition Company | 95 |
3 |
Federal-Mogul LLC | 133 |
3 |
Ford Global Technologies, LLC | 19702 |
2 |
FRAM Group IP LLC | 114 |
2 |
Pges GmbH | 2 |
2 |
Honeywell International Inc. | 13799 |
1 |
Caterpillar Energy Solutions GmbH | 132 |
1 |
Miura Co., Ltd. | 287 |
1 |
Multitorch GmbH | 8 |
1 |
RENAULT s.a.s. | 5674 |
1 |
Federal Mogul Holding Deutschland GmbH | 1 |
1 |
Federal-Mogul Ignition LLC | 34 |
1 |
Other owners | 1 |