- 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: 128
10-year publication summary
|
13
|
12
|
9
|
11
|
13
|
9
|
7
|
5
|
10
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3376 |
18 |
| Eaton Intelligent Power Limited | 6132 |
11 |
| Mitsubishi Electric Corporation | 47449 |
5 |
| ABB Schweiz AG | 7353 |
5 |
| LS ELECTRIC Co., Ltd | 775 |
5 |
| Alstom Technology Ltd | 1072 |
4 |
| Lsis Co., Ltd. | 814 |
4 |
| Hitachi Energy Ltd. | 2418 |
4 |
| Toshiba Corporation | 12608 |
3 |
| Daicel Corporation | 2443 |
3 |
| Siemens AG | 24329 |
2 |
| Hamilton Sundstrand Corporation | 5006 |
2 |
| Carrier Corporation | 3980 |
2 |
| ABB S.p.A. | 440 |
2 |
| ARC Suppression Technologies | 40 |
2 |
| General Electric Technology GmbH | 1354 |
2 |
| Schneider Electric USA, Inc. | 1334 |
2 |
| Sensata Technologies, Inc. | 419 |
2 |
| State Grid Corporation of China | 1384 |
2 |
| Toshiba Energy Systems & Solutions Corp. | 1126 |
2 |
| Other owners | 46 |