- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 83/20 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
Patent holdings for IPC class H01H 83/20
Total number of patents in this class: 199
10-year publication summary
|
19
|
9
|
19
|
20
|
18
|
16
|
21
|
13
|
12
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 5974 |
43 |
| Siemens AG | 24525 |
13 |
| Hubbell Incorporated | 3247 |
11 |
| Schneider Electric Industries SAS | 1478 |
10 |
| Eaton Corporation | 1820 |
8 |
| Siemens Industry, Inc. | 1447 |
7 |
| Schneider Electric USA, Inc. | 1282 |
7 |
| Rockwell Automation Technologies, Inc. | 2716 |
5 |
| ABB Schweiz AG | 6917 |
5 |
| Ze Chen | 30 |
5 |
| Carling Technologies, Inc. | 121 |
4 |
| Anram Holdings | 42 |
4 |
| Eaton Intelligent Power Limited | 422 |
4 |
| ABB S.p.A. | 442 |
3 |
| Ellenberger & Poensgen GmbH | 229 |
3 |
| Phoenix Contact GmbH & Co. KG | 2291 |
3 |
| Blixt Tech AB | 35 |
3 |
| General Electric Company | 13829 |
2 |
| Hamilton Sundstrand Corporation | 4844 |
2 |
| ABB AG | 329 |
2 |
| Other owners | 55 |