- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 37/58 - Thermally-sensitive members actuated due to thermally controlled change of magnetic permeability
Patent holdings for IPC class H01H 37/58
Total number of patents in this class: 22
10-year publication summary
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0
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1
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1
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2
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1
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2
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0
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1
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujitsu Limited | 17674 |
2 |
| Trustees of Tufts College | 905 |
2 |
| W & H Dentalwerk Bürmoos GmbH | 100 |
2 |
| Schlumberger Canada Limited | 7410 |
1 |
| Schlumberger Technology B.v. | 5210 |
1 |
| Schlumberger Holdings Limited | 2795 |
1 |
| Toyota Motor Corporation | 33275 |
1 |
| Sabic Innovative Plastics IP B.V. | 681 |
1 |
| Auto-Kabel Management GmbH | 176 |
1 |
| Littelfuse, Inc. | 788 |
1 |
| Prad Research and Development Limited | 2688 |
1 |
| Services Petroliers Schlumberger | 5866 |
1 |
| UT-Battelle, LLC | 1473 |
1 |
| Wickeder Westfalenstahl GmbH | 29 |
1 |
| Chuandong Magnetic Electronics Co., Ltd. | 32 |
1 |
| Eaton Intelligent Power Limited | 439 |
1 |
| Introl IP Limited | 2 |
1 |
| Maggma Group IP Limited | 2 |
1 |
| Rudders RLS Pty Ltd | 2 |
1 |
| Other owners | 0 |