- 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 19/00 - Devices providing for corona discharge
Patent holdings for IPC class H01T 19/00
Total number of patents in this class: 258
10-year publication summary
31
|
33
|
36
|
25
|
21
|
15
|
13
|
16
|
15
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 345 |
23 |
Tenneco Inc | 274 |
19 |
Illinois Tool Works Inc. | 11152 |
17 |
BorgWarner Ludwigsburg GmbH | 109 |
7 |
Sharp Kabushiki Kaisha | 18957 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
Mitsubishi Electric Corporation | 43934 |
4 |
Daikin Industries, Ltd. | 9495 |
4 |
West Virginia University | 178 |
4 |
Xylem IP Management S.a.r.l. | 37 |
4 |
Oxypro, Ltd | 7 |
4 |
LG Electronics Inc. | 69257 |
3 |
Toyota Motor Corporation | 28582 |
3 |
Murata Manufacturing Co., Ltd. | 22355 |
3 |
Enercon Industries Corporation | 12 |
3 |
Federal-Mogul Ignition Company | 95 |
3 |
Koganei Corporation | 209 |
3 |
Nuctech Company Limited | 1275 |
3 |
Kanetaka Goto | 3 |
3 |
Federal-Mogul Ignition LLC | 34 |
3 |
Other owners | 134 |