- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency 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: 22
10-year publication summary
4
|
3
|
3
|
2
|
2
|
5
|
1
|
1
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rockwell Automation Technologies, Inc. | 2547 |
2 |
Siemens Industry, Inc. | 1417 |
2 |
TE Connectivity Germany GmbH | 655 |
2 |
Siemens Energy Global GmbH & Co. KG | 2775 |
2 |
Siemens AG | 24990 |
1 |
Toshiba Corporation | 12017 |
1 |
China XD Electric Co.,Ltd. | 27 |
1 |
General Electric Technology GmbH | 1657 |
1 |
Littelfuse, Inc. | 758 |
1 |
Lsis Co., Ltd. | 834 |
1 |
Rockwell Automation Switzerland GmbH | 42 |
1 |
Schneider Electric Industries SAS | 1376 |
1 |
State Grid Corporation of China | 1308 |
1 |
Hyundai Electric & Energy Systems Co., Ltd | 52 |
1 |
Eaton Intelligent Power Limited | 6113 |
1 |
Pinggao Group Co., Ltd. | 100 |
1 |
Henan Pingzhi High-voltage Switchgear Co., Ltd. | 4 |
1 |
LS ELECTRIC Co., Ltd | 506 |
1 |
Other owners | 0 |