- All sections
- H - Electricity
- H01B - Cablesconductorsinsulatorsselection of materials for their conductive, insulating or dielectric properties
- H01B 17/36 - Insulators having evacuated or gas-filled spaces
Patent holdings for IPC class H01B 17/36
Total number of patents in this class: 64
10-year publication summary
|
3
|
4
|
4
|
3
|
4
|
6
|
0
|
4
|
1
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Energy Ltd. | 2239 |
7 |
| Jiangsu Shemar Electric Co., Ltd | 75 |
6 |
| Siemens AG | 24437 |
5 |
| General Electric Technology GmbH | 1370 |
4 |
| ABB Research Ltd. | 882 |
3 |
| Maschinenfabrik Reinhausen GmbH | 748 |
3 |
| Mitsubishi Electric Corporation | 46249 |
2 |
| Georgia Tech Research Corporation | 2749 |
2 |
| John Mezzalingua Associates, LLC | 308 |
2 |
| Concept Group, LLC | 33 |
2 |
| ABB Technology Ltd | 478 |
2 |
| Hitachi Energy Switzerland AG | 303 |
2 |
| TPC Engineering Holdings, Inc. | 6 |
2 |
| Hitachi Energy Ltd | 79 |
2 |
| Honeywell Limited | 114 |
1 |
| Toshiba Corporation | 12376 |
1 |
| Koninklijke Philips N.V. | 24789 |
1 |
| Alstom Technology Ltd | 1098 |
1 |
| Dow Global Technologies LLC | 10371 |
1 |
| ABB Technology AG | 1253 |
1 |
| Other owners | 14 |