- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 9/22 - Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Patent holdings for IPC class H01H 9/22
Total number of patents in this class: 269
10-year publication summary
|
24
|
26
|
33
|
26
|
24
|
11
|
11
|
9
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 5912 |
34 |
| ABB Schweiz AG | 6851 |
23 |
| Rockwell Automation Technologies, Inc. | 2720 |
10 |
| Lsis Co., Ltd. | 817 |
9 |
| Schneider Electric USA, Inc. | 1273 |
9 |
| Eaton Intelligent Power Limited | 417 |
6 |
| Siemens AG | 24542 |
4 |
| Eaton Corporation | 1821 |
4 |
| Schneider Electric Industries SAS | 1468 |
4 |
| Illinois Tool Works Inc. | 11363 |
3 |
| Honeywell International Inc. | 13596 |
3 |
| Mitsubishi Electric Corporation | 45583 |
3 |
| Hubbell Incorporated | 3217 |
3 |
| Elettrotecnica Rold S.r.l. | 30 |
3 |
| KEYENCE Corporation | 432 |
3 |
| Leviton Manufacturing Co., Inc. | 811 |
3 |
| Rittal GmbH & Co. KG | 583 |
3 |
| Shanxi Quan'an New Technology Development Co., Ltd. | 8 |
3 |
| Viatemis | 9 |
3 |
| B.S.A.F.E. Manufacturing Incorporated | 6 |
3 |
| Other owners | 133 |