- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/64 - Operating meansReleasing devices responsive to temperature variation
Patent holdings for IPC class F16K 31/64
Total number of patents in this class: 107
10-year publication summary
|
19
|
5
|
5
|
6
|
5
|
6
|
7
|
3
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dana Canada Corporation | 268 |
7 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 333 |
7 |
| Magarl, LLC | 48 |
6 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 710 |
4 |
| AS America, Inc. | 1035 |
2 |
| Korea Institute of Industrial Technology | 1030 |
2 |
| Nippon Thermostat Co., Ltd. | 180 |
2 |
| Superior Transmission Parts, Inc. | 44 |
2 |
| Xiamen Solex High-Tech Industries Co., Ltd. | 435 |
2 |
| Taizhou Guoren Temperature Control Sanitary Ware Technology Co., Ltd | 8 |
2 |
| Tetravision, LLC | 10 |
2 |
| Schlumberger Technology Corporation | 11839 |
1 |
| Schlumberger Canada Limited | 7609 |
1 |
| Schlumberger Technology B.v. | 5295 |
1 |
| The Boeing Company | 20168 |
1 |
| Hewlett-Packard Development Company, L.P. | 25175 |
1 |
| Denso Corporation | 25607 |
1 |
| Massachusetts Institute of Technology | 10259 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15318 |
1 |
| Chevron U.S.A. Inc. | 4145 |
1 |
| Other owners | 60 |