- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 19/00 - Devices providing for corona discharge
Patent holdings for IPC class H01T 19/00
Total number of patents in this class: 272
10-year publication summary
|
36
|
25
|
21
|
15
|
13
|
18
|
16
|
7
|
5
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Federal-Mogul Ignition LLC | 125 |
20 |
| Federal-Mogul Motorparts LLC | 605 |
18 |
| Illinois Tool Works Inc. | 11879 |
17 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 111 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
9 |
| BorgWarner Ludwigsburg GmbH | 104 |
6 |
| Murata Manufacturing Co., Ltd. | 25917 |
5 |
| Sharp Kabushiki Kaisha | 18480 |
5 |
| LG Electronics Inc. | 76087 |
4 |
| Mitsubishi Electric Corporation | 48351 |
4 |
| West Virginia University | 181 |
4 |
| Xylem IP Management S.a.r.l. | 30 |
4 |
| Oxypro, Ltd | 8 |
4 |
| Toyota Motor Corporation | 36159 |
3 |
| Daikin Industries, Ltd. | 10514 |
3 |
| Enercon Industries Corporation | 13 |
3 |
| Federal-Mogul Ignition Company | 94 |
3 |
| Koganei Corporation | 209 |
3 |
| Nuctech Company Limited | 1478 |
3 |
| Shishido Electrostatic, Ltd. | 7 |
3 |
| Other owners | 135 |