- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 9/42 - Impedances connected with contacts
Patent holdings for IPC class H01H 9/42
Total number of patents in this class: 39
10-year publication summary
|
0
|
4
|
4
|
1
|
3
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0
|
1
|
2
|
3
|
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 | 24299 |
9 |
| Bayerische Motoren Werke Aktiengesellschaft | 14949 |
2 |
| ABB S.p.A. | 440 |
2 |
| Uchiya Thermostat Co., Ltd. | 61 |
2 |
| Valeo Equipements Electriques Moteur | 962 |
2 |
| Siemens Energy Global GmbH & Co. KG | 3222 |
2 |
| Sony Corporation | 30510 |
1 |
| Mitsubishi Electric Corporation | 47483 |
1 |
| NTN Corporation | 4950 |
1 |
| ABB Schweiz AG | 7394 |
1 |
| ABB Technology AG | 1236 |
1 |
| American Power Conversion Corporation | 150 |
1 |
| Auto-Kabel Management GmbH | 174 |
1 |
| General Electric Technology GmbH | 1349 |
1 |
| Hydra-electric Company | 29 |
1 |
| Kabushiki Kaisha Y.Y.L. | 2 |
1 |
| Maxon Industries, Inc., DBA Maxon Lift Corp. | 102 |
1 |
| Schneider Electric Industries SAS | 1548 |
1 |
| SMA Solar Technology AG | 889 |
1 |
| Zumtobel Lighting GmbH | 754 |
1 |
| Other owners | 6 |