- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 71/12 - Automatic release mechanisms with or without manual release
Patent holdings for IPC class H01H 71/12
Total number of patents in this class: 532
10-year publication summary
|
54
|
51
|
40
|
48
|
61
|
38
|
33
|
45
|
39
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
96 |
| Siemens AG | 24990 |
50 |
| Schneider Electric Industries SAS | 1376 |
25 |
| Eaton Corporation | 1839 |
22 |
| Siemens Industry, Inc. | 1417 |
19 |
| Lsis Co., Ltd. | 834 |
18 |
| ABB Schweiz AG | 6321 |
15 |
| Hubbell Incorporated | 3052 |
11 |
| Pass & Seymour, Inc. | 181 |
11 |
| Zhejiang Chint Electrics Co., Ltd. | 208 |
11 |
| LS ELECTRIC Co., Ltd | 506 |
10 |
| ABB S.p.A. | 459 |
9 |
| Schneider Electric USA, Inc. | 1192 |
9 |
| Ellenberger & Poensgen GmbH | 229 |
8 |
| Seari Electric Technology Co., Ltd. | 102 |
8 |
| Amber Semiconductor, Inc. | 32 |
8 |
| Atom Power, Inc. | 29 |
7 |
| Hitachi Energy Ltd. | 1921 |
7 |
| Rockwell Automation Technologies, Inc. | 2547 |
6 |
| Hager-electro SAS | 106 |
6 |
| Other owners | 176 |