- 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: 65
10-year publication summary
|
5
|
3
|
5
|
4
|
11
|
5
|
1
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Thermostat Co., Ltd. | 163 |
8 |
| Denso Corporation | 23803 |
6 |
| Emcara Gas Development Inc. | 6 |
4 |
| Toto Ltd. | 1136 |
4 |
| Emcara International, Inc. | 9 |
3 |
| Nikon Corporation | 7119 |
2 |
| AS America, Inc. | 1076 |
2 |
| Kyungdong Navien Co., Ltd. | 593 |
2 |
| LIXIL Corporation | 662 |
2 |
| Smarter Alloys Inc. | 29 |
2 |
| The University of Tokyo | 4066 |
2 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 495 |
2 |
| Zurn Industries, LLC | 102 |
2 |
| Sony Corporation | 31530 |
1 |
| The Boeing Company | 19915 |
1 |
| Matsushita Electric Works, Ltd. | 175 |
1 |
| Tokyo Electron Limited | 12127 |
1 |
| Boe Technology Group Co., Ltd. | 38978 |
1 |
| Acorn Engineering Company | 171 |
1 |
| Chronomite Laboratories, Inc. | 34 |
1 |
| Other owners | 17 |