- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices 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: 140
10-year publication summary
|
11
|
10
|
7
|
9
|
14
|
13
|
13
|
11
|
25
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
19 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 175 |
7 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
7 |
| Danfoss A/S | 1259 |
7 |
| Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd. | 25 |
5 |
| Bray International, Inc. | 119 |
4 |
| Alcoa of Australia Limited | 54 |
3 |
| AS America, Inc. | 1087 |
3 |
| GCE Holding AB | 32 |
3 |
| Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd. | 29 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
2 |
| Cameron International Corporation | 1305 |
2 |
| The Chemours Company Fc, LLC | 1107 |
2 |
| China University of Mining and Technology | 1189 |
2 |
| Kyungdong Navien Co., Ltd. | 566 |
2 |
| Luxembourg Patent Company S.A. | 108 |
2 |
| Mac Valves, Inc. | 82 |
2 |
| Rosemount Inc. | 1212 |
2 |
| Tour & Andersson AB | 18 |
2 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 185 |
2 |
| Other owners | 59 |