- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 31/04 - Interlocking mechanisms
Patent holdings for IPC class H01H 31/04
Total number of patents in this class: 15
10-year publication summary
|
3
|
1
|
0
|
0
|
0
|
2
|
2
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3376 |
2 |
| Cleaveland/price Inc. | 44 |
2 |
| Chint Low Voltage Electrical Technology Co., Ltd. | 66 |
2 |
| Copeland LP | 694 |
2 |
| ABB Schweiz AG | 7353 |
1 |
| Itron, Inc. | 916 |
1 |
| P.S. Electrical Services (1998) Limited | 2 |
1 |
| Wohner GmbH & Co. KG Elektrotechnische Systeme | 33 |
1 |
| Zhejiang Limited Corporation of Daodu Intelligent Switch | 4 |
1 |
| Hyundai Transys Incorporated | 326 |
1 |
| Ulusoy Elektrik Imalat Taahhut ve Ticaret A.S. | 4 |
1 |
| Other owners | 0 |