- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 14/00 - Spark gaps not provided for in groups
Patent holdings for IPC class H01T 14/00
Total number of patents in this class: 25
10-year publication summary
|
3
|
1
|
0
|
0
|
2
|
1
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
3 |
| State Grid Corporation of China | 1399 |
2 |
| Toyota Motor Corporation | 35772 |
1 |
| Robert Bosch GmbH | 44160 |
1 |
| The Trustees of Columbia University in the City of New York | 3644 |
1 |
| Advanced Fusion Systems LLC | 66 |
1 |
| Alphaport, Inc. | 1 |
1 |
| Asia Vital Components Co., Ltd. | 432 |
1 |
| China Electric Power Research Institute | 300 |
1 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
1 |
| IHI Corporation | 3535 |
1 |
| Ishikawajima-Harima Heavy Industries Co., Ltd. | 15 |
1 |
| MHI Health Devices, LLC | 25 |
1 |
| Oerlikon Surface Solutions AG, Pfaffikon | 555 |
1 |
| Toshiba Materials Co., Ltd. | 563 |
1 |
| University of Virginia Patent Foundation | 1643 |
1 |
| Baker Hughes, a GE Company, LLC | 2056 |
1 |
| China Electric Power Research Institute Company Limited | 142 |
1 |
| Stratospheric Composite Water ION (Shenzhen) Co., Ltd | 4 |
1 |
| Nextern Innovation, LLC | 48 |
1 |
| Other owners | 2 |