- 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: 164
10-year publication summary
|
9
|
7
|
8
|
13
|
12
|
13
|
12
|
28
|
26
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang DunAn Artificial Environment Co., Ltd | 578 |
25 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 302 |
8 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 211 |
7 |
| Danfoss A/S | 1355 |
7 |
| Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd. | 23 |
5 |
| Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. | 34 |
5 |
| Bray International, Inc. | 138 |
4 |
| BYD Company Limited | 5226 |
4 |
| AS America, Inc. | 1034 |
3 |
| GCE Holding AB | 36 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 743 |
2 |
| Cameron International Corporation | 1345 |
2 |
| The Chemours Company Fc, LLC | 1257 |
2 |
| China University of Mining and Technology | 1268 |
2 |
| Cummins Filtration IP, Inc. | 806 |
2 |
| Engineered Controls International, LLC | 150 |
2 |
| Kyungdong Navien Co., Ltd. | 618 |
2 |
| Luxembourg Patent Company S.A. | 103 |
2 |
| Mac Valves, Inc. | 84 |
2 |
| Rosemount Inc. | 1192 |
2 |
| Other owners | 73 |