- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices 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: 481
10-year publication summary
|
31
|
69
|
34
|
40
|
35
|
41
|
52
|
44
|
43
|
17
|
| 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 |
45 |
| Fisher Controls International LLC | 1520 |
12 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 185 |
12 |
| Denso Corporation | 23338 |
11 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Fujikin Incorporated | 671 |
6 |
| Fujikoki Corporation | 330 |
6 |
| Toyota Motor Corporation | 28582 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
| Robert Bosch GmbH | 40953 |
5 |
| BorgWarner Inc. | 2604 |
5 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| JTEKT Corporation | 2423 |
4 |
| Cortec, L.L.C. | 8 |
4 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 172 |
4 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 175 |
4 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 171 |
4 |
| IHI Corporation | 3268 |
4 |
| Pacific Industrial Co., Ltd. | 226 |
4 |
| Other owners | 322 |