- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 9/20 - Interlocking, locking, or latching mechanisms
Patent holdings for IPC class H01H 9/20
Total number of patents in this class: 382
10-year publication summary
|
28
|
35
|
32
|
29
|
17
|
16
|
25
|
18
|
16
|
3
|
| 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 |
50 |
| ABB Schweiz AG | 6321 |
18 |
| Siemens AG | 24990 |
15 |
| ABB S.p.A. | 459 |
13 |
| Schneider Electric USA, Inc. | 1192 |
11 |
| Zhejiang Chint Electrics Co., Ltd. | 208 |
11 |
| Lsis Co., Ltd. | 834 |
9 |
| Omron Corporation | 6968 |
8 |
| LS Industrial Systems Co., Ltd. | 117 |
8 |
| Reliance Controls Corporation | 82 |
8 |
| Hubbell Incorporated | 3052 |
7 |
| Schneider Electric Industries SAS | 1376 |
7 |
| Siemens Industry, Inc. | 1417 |
6 |
| Hitachi Energy Ltd. | 1921 |
5 |
| Robert Bosch GmbH | 40953 |
4 |
| Rockwell Automation Technologies, Inc. | 2547 |
4 |
| Leviton Manufacturing Co., Inc. | 844 |
4 |
| Seari Electric Technology Co., Ltd. | 102 |
4 |
| Shanghai Liangxin Electrical Co., Ltd | 68 |
4 |
| Square D Company | 115 |
4 |
| Other owners | 182 |