- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/72 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
Patent holdings for IPC class H01H 33/72
Total number of patents in this class: 26
10-year publication summary
|
3
|
3
|
2
|
2
|
5
|
1
|
1
|
0
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rockwell Automation Technologies, Inc. | 2716 |
2 |
| Siemens Industry, Inc. | 1447 |
2 |
| Schneider Electric Industries SAS | 1478 |
2 |
| TE Connectivity Germany GmbH | 651 |
2 |
| LS ELECTRIC Co., Ltd | 680 |
2 |
| Siemens Energy Global GmbH & Co. KG | 2937 |
2 |
| Siemens AG | 24525 |
1 |
| Toshiba Corporation | 12317 |
1 |
| China XD Electric Co.,Ltd. | 29 |
1 |
| General Electric Technology GmbH | 1371 |
1 |
| Littelfuse, Inc. | 785 |
1 |
| Lsis Co., Ltd. | 816 |
1 |
| NOARK Electrics (Shanghai) Co., Ltd. | 32 |
1 |
| Rockwell Automation Switzerland GmbH | 47 |
1 |
| State Grid Corporation of China | 1363 |
1 |
| Hyundai Electric & Energy Systems Co., Ltd | 52 |
1 |
| Eaton Intelligent Power Limited | 5974 |
1 |
| Pinggao Group Co., Ltd. | 100 |
1 |
| Henan Pingzhi High-voltage Switchgear Co., Ltd. | 4 |
1 |
| HD Hyundai Electric Co., Ltd. | 14 |
1 |
| Other owners | 0 |