- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/02 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
Patent holdings for IPC class F16K 1/02
Total number of patents in this class: 176
10-year publication summary
|
7
|
9
|
14
|
13
|
13
|
12
|
29
|
28
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang DunAn Artificial Environment Co., Ltd | 648 |
27 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 321 |
8 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 227 |
7 |
| Danfoss A/S | 1404 |
7 |
| Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd. | 23 |
5 |
| Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. | 36 |
5 |
| Bray International, Inc. | 144 |
4 |
| BYD Company Limited | 6250 |
4 |
| AS America, Inc. | 1031 |
3 |
| GCE Holding AB | 35 |
3 |
| Acme Cryogenics, Inc. | 11 |
2 |
| Aisan Kogyo Kabushiki Kaisha | 757 |
2 |
| Cameron International Corporation | 1368 |
2 |
| The Chemours Company Fc, LLC | 1311 |
2 |
| China University of Mining and Technology | 1293 |
2 |
| Engineered Controls International, LLC | 153 |
2 |
| Kyungdong Navien Co., Ltd. | 618 |
2 |
| Luxembourg Patent Company S.A. | 97 |
2 |
| Mac Valves, Inc. | 79 |
2 |
| Rosemount Inc. | 1158 |
2 |
| Other owners | 83 |