- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 35/28 - Compensation for variation of ambient pressure or temperature
Patent holdings for IPC class H01H 35/28
Total number of patents in this class: 12
10-year publication summary
|
2
|
1
|
0
|
1
|
3
|
2
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shanghai Roye Electric Co., Ltd. | 40 |
5 |
| Lufthansa Technik AG | 495 |
2 |
| KCI Licensing, Inc. | 837 |
1 |
| Kulite Semiconductor Products, Inc. | 182 |
1 |
| Tyco Fire & Security GmbH | 3579 |
1 |
| Shanghai Roye Electrical Co., Ltd. | 3 |
1 |
| Shanghai Roye Electric Science & Technology Co., Ltd. | 4 |
1 |
| Other owners | 0 |