- 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: 256
10-year publication summary
|
33
|
36
|
25
|
21
|
15
|
13
|
18
|
16
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 304 |
23 |
| Tenneco Inc | 285 |
19 |
| Illinois Tool Works Inc. | 11450 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
8 |
| BorgWarner Ludwigsburg GmbH | 104 |
6 |
| Sharp Kabushiki Kaisha | 18781 |
6 |
| Murata Manufacturing Co., Ltd. | 24444 |
5 |
| LG Electronics Inc. | 72737 |
4 |
| Mitsubishi Electric Corporation | 45946 |
4 |
| Daikin Industries, Ltd. | 9973 |
4 |
| West Virginia University | 181 |
4 |
| Xylem IP Management S.a.r.l. | 34 |
4 |
| Oxypro, Ltd | 8 |
4 |
| Toyota Motor Corporation | 31764 |
3 |
| Enercon Industries Corporation | 13 |
3 |
| Federal-Mogul Ignition Company | 94 |
3 |
| Koganei Corporation | 217 |
3 |
| Nuctech Company Limited | 1417 |
3 |
| Kanetaka Goto | 3 |
3 |
| Federal-Mogul Ignition LLC | 33 |
3 |
| Other owners | 127 |