- 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: 504
10-year publication summary
|
31
|
26
|
26
|
43
|
34
|
21
|
26
|
17
|
20
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1476 |
20 |
| TLV Co., Ltd. | 335 |
13 |
| Delta Faucet Company | 2748 |
10 |
| Cameron International Corporation | 1323 |
9 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 533 |
8 |
| Denso Corporation | 24042 |
7 |
| Becton, Dickinson and Company | 7209 |
5 |
| Hamilton Sundstrand Corporation | 4823 |
5 |
| CareFusion 303, Inc. | 2156 |
5 |
| Fujikin Incorporated | 693 |
5 |
| Fujikoki Corporation | 368 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8601 |
4 |
| Hitachi Automotive Systems, Ltd. | 3958 |
4 |
| B. Braun Medical Inc. | 198 |
4 |
| Eagle Industry Co., Ltd. | 1125 |
4 |
| Globe Union Industrial Corp. | 307 |
4 |
| Goodrich Corporation | 2092 |
4 |
| Flowserve Pte. Ltd. | 49 |
4 |
| Toyota Motor Corporation | 31162 |
3 |
| Mitsubishi Electric Corporation | 45583 |
3 |
| Other owners | 378 |