- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/70 - Operating meansReleasing devices responsive to temperature variation mechanically actuated, e.g. by a bimetallic strip
Patent holdings for IPC class F16K 31/70
Total number of patents in this class: 64
10-year publication summary
|
3
|
5
|
4
|
11
|
5
|
1
|
3
|
2
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Thermostat Co., Ltd. | 180 |
9 |
| Denso Corporation | 25534 |
6 |
| Toto Ltd. | 1259 |
4 |
| Emcara Gas Development Inc. | 5 |
3 |
| Emcara International, ULC | 3 |
3 |
| Nikon Corporation | 7228 |
2 |
| AS America, Inc. | 1041 |
2 |
| Kyungdong Navien Co., Ltd. | 643 |
2 |
| LIXIL Corporation | 772 |
2 |
| Smarter Alloys Inc. | 30 |
2 |
| The University of Tokyo | 4361 |
2 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 703 |
2 |
| Sony Corporation | 30181 |
1 |
| The Boeing Company | 20160 |
1 |
| Tokyo Electron Limited | 13807 |
1 |
| Boe Technology Group Co., Ltd. | 44029 |
1 |
| Acorn Engineering Company | 182 |
1 |
| Chronomite Laboratories, Inc. | 37 |
1 |
| Globe Union Industrial Corp. | 323 |
1 |
| Intelligent Energy Limited | 374 |
1 |
| Other owners | 17 |