- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 51/30 - Electromagnetic relays specially adapted for actuation by AC
Patent holdings for IPC class H01H 51/30
Total number of patents in this class: 31
10-year publication summary
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1
|
2
|
1
|
1
|
0
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1
|
0
|
0
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23956 |
2 |
| Automatic Switch Company | 81 |
2 |
| Legrand DPC, LLC | 247 |
2 |
| Honeywell International Inc. | 12766 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
1 |
| Robert Bosch GmbH | 44327 |
1 |
| Denso Corporation | 25746 |
1 |
| Yazaki Corporation | 7155 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
1 |
| Omron Corporation | 7425 |
1 |
| ABB Schweiz AG | 7724 |
1 |
| National Instruments Corporation | 729 |
1 |
| ABL IP Holding LLC | 1879 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2981 |
1 |
| Astronics Advanced Electronic Systems Corp. | 96 |
1 |
| Brunswick Corporation | 1505 |
1 |
| Endress + Hauser GmbH + Co. KG | 159 |
1 |
| Fu Tai Hua Industry (Shenzhen) Co., Ltd. | 328 |
1 |
| Jiangsu Modern Electric Technology Co., Ltd. | 15 |
1 |
| Lsis Co., Ltd. | 815 |
1 |
| Other owners | 8 |