- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/64 - Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
Patent holdings for IPC class H01H 33/64
Total number of patents in this class: 89
10-year publication summary
|
13
|
13
|
10
|
7
|
4
|
0
|
4
|
5
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48172 |
13 |
| ABB Schweiz AG | 7665 |
9 |
| Hitachi Energy Ltd. | 2610 |
9 |
| Siemens AG | 23996 |
6 |
| General Electric Technology GmbH | 1336 |
6 |
| Florida State University Research Foundation, Inc. | 843 |
5 |
| Hyundai Electric & Energy Systems Co., Ltd | 51 |
4 |
| Hitachi, Ltd. | 16163 |
3 |
| ABB Technology AG | 1221 |
3 |
| Lsis Co., Ltd. | 815 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3432 |
3 |
| Hubbell Incorporated | 3457 |
2 |
| Arkema France | 4251 |
2 |
| Southern States, LLC | 87 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6169 |
2 |
| Hitachi Energy Ltd | 38 |
2 |
| Alstom Technology Ltd | 1036 |
1 |
| ABB S.p.A. | 439 |
1 |
| Eaton Electrical IP GmbH & Co. KG | 157 |
1 |
| Fuji Electric FA Components & Systems Co., Ltd. | 245 |
1 |
| Other owners | 11 |