- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/04 - Means for extinguishing or preventing arc between current-carrying parts
Patent holdings for IPC class H01H 33/04
Total number of patents in this class: 130
10-year publication summary
|
14
|
12
|
9
|
12
|
15
|
10
|
7
|
5
|
10
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3435 |
17 |
| Eaton Intelligent Power Limited | 6227 |
11 |
| LS ELECTRIC Co., Ltd | 833 |
6 |
| Mitsubishi Electric Corporation | 47943 |
5 |
| ABB Schweiz AG | 7578 |
5 |
| Hitachi Energy Ltd. | 2557 |
5 |
| Alstom Technology Ltd | 1047 |
4 |
| Lsis Co., Ltd. | 814 |
4 |
| Toshiba Corporation | 12551 |
3 |
| Daicel Corporation | 2506 |
3 |
| Siemens AG | 24050 |
2 |
| Hamilton Sundstrand Corporation | 5017 |
2 |
| Carrier Corporation | 3960 |
2 |
| ABB S.p.A. | 439 |
2 |
| ARC Suppression Technologies | 40 |
2 |
| General Electric Technology GmbH | 1337 |
2 |
| Schneider Electric USA, Inc. | 1340 |
2 |
| Sensata Technologies, Inc. | 434 |
2 |
| State Grid Corporation of China | 1399 |
2 |
| Toshiba Energy Systems & Solutions Corp. | 1151 |
2 |
| Other owners | 47 |