- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 33/662 - Housings or protective screens
Patent holdings for IPC class H01H 33/662
Total number of patents in this class: 465
10-year publication summary
34
|
43
|
39
|
39
|
43
|
43
|
30
|
40
|
48
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
64 |
Mitsubishi Electric Corporation | 43934 |
58 |
Eaton Intelligent Power Limited | 6113 |
39 |
Siemens Energy Global GmbH & Co. KG | 2775 |
34 |
ABB Schweiz AG | 6321 |
32 |
Meidensha Corporation | 823 |
27 |
ABB Technology AG | 1301 |
22 |
G & W Electric Company | 122 |
17 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
14 |
Hubbell Incorporated | 3052 |
12 |
LS ELECTRIC Co., Ltd | 506 |
11 |
Eaton Corporation | 1839 |
10 |
Hitachi, Ltd. | 16452 |
10 |
Lsis Co., Ltd. | 834 |
8 |
S&C Electric Company | 172 |
8 |
Schneider Electric Industries SAS | 1376 |
8 |
Alstom Technology Ltd | 1196 |
5 |
Maschinenfabrik Reinhausen GmbH | 749 |
5 |
Secheron SA | 23 |
5 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
5 |
Other owners | 71 |