- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 51/00 - Other details not peculiar to particular types of valves or cut-off apparatus
Patent holdings for IPC class F16K 51/00
Total number of patents in this class: 481
10-year publication summary
|
26
|
26
|
43
|
34
|
20
|
26
|
17
|
20
|
14
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1426 |
19 |
| TLV Co., Ltd. | 339 |
13 |
| Delta Faucet Company | 2863 |
10 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 729 |
8 |
| Denso Corporation | 25746 |
7 |
| Cameron International Corporation | 1367 |
7 |
| Fujikoki Corporation | 418 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
5 |
| Hamilton Sundstrand Corporation | 5011 |
5 |
| CareFusion 303, Inc. | 2404 |
5 |
| Fujikin Incorporated | 706 |
5 |
| Flowserve Pte. Ltd. | 55 |
5 |
| Hitachi Automotive Systems, Ltd. | 3954 |
4 |
| B. Braun Medical Inc. | 194 |
4 |
| Globe Union Industrial Corp. | 332 |
4 |
| Mitsubishi Power, Ltd. | 1836 |
4 |
| Toyota Motor Corporation | 36159 |
3 |
| Mitsubishi Electric Corporation | 48351 |
3 |
| Nissan Motor Co., Ltd. | 13037 |
3 |
| BorgWarner Inc. | 2586 |
3 |
| Other owners | 358 |