- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 51/00 - Electromagnetic relays
Patent holdings for IPC class H01H 51/00
Total number of patents in this class: 70
10-year publication summary
|
5
|
6
|
3
|
1
|
1
|
0
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7305 |
8 |
| Schneider Electric Industries SAS | 1518 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 32296 |
4 |
| Siemens AG | 24342 |
3 |
| Lsis Co., Ltd. | 816 |
3 |
| Denso Corporation | 24729 |
2 |
| Hunter Industries, Inc. | 296 |
2 |
| Marquardt GmbH | 242 |
2 |
| Phoenix Contact GmbH & Co. KG | 2290 |
2 |
| Eaton Intelligent Power Limited | 6052 |
2 |
| Commissary Connect Innovations Inc. | 6 |
2 |
| International Business Machines Corporation | 61738 |
1 |
| Honeywell International Inc. | 13547 |
1 |
| Merck Patent GmbH | 5758 |
1 |
| Mitsubishi Electric Corporation | 46814 |
1 |
| Huawei Technologies Co., Ltd. | 115366 |
1 |
| Olympus Corporation | 13099 |
1 |
| Alstom Technology Ltd | 1088 |
1 |
| Rockwell Automation Technologies, Inc. | 2728 |
1 |
| Hamilton Sundstrand Corporation | 4954 |
1 |
| Other owners | 25 |