- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/32 - 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 Details
Patent holdings for IPC class F16K 1/32
Total number of patents in this class: 512
10-year publication summary
|
69
|
34
|
40
|
35
|
41
|
52
|
45
|
43
|
53
|
16
|
| 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 | 531 |
59 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 206 |
13 |
| Fisher Controls International LLC | 1475 |
12 |
| Denso Corporation | 24034 |
11 |
| Mitsubishi Electric Corporation | 45510 |
10 |
| BYD Company Limited | 4670 |
6 |
| Fujikin Incorporated | 693 |
6 |
| Fujikoki Corporation | 368 |
6 |
| Toyota Motor Corporation | 31095 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8591 |
5 |
| Robert Bosch GmbH | 42272 |
5 |
| BorgWarner Inc. | 2616 |
5 |
| Cortec, L.L.C. | 10 |
5 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 289 |
5 |
| Hamilton Sundstrand Corporation | 4812 |
4 |
| JTEKT Corporation | 2472 |
4 |
| Aisan Kogyo Kabushiki Kaisha | 735 |
4 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 170 |
4 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 200 |
4 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 173 |
4 |
| Other owners | 335 |