- 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: 500
10-year publication summary
|
26
|
21
|
19
|
36
|
31
|
17
|
19
|
17
|
20
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1506 |
19 |
| TLV Co., Ltd. | 332 |
13 |
| Delta Faucet Company | 2777 |
12 |
| Cameron International Corporation | 1342 |
9 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 572 |
8 |
| Denso Corporation | 24541 |
7 |
| Becton, Dickinson and Company | 7306 |
5 |
| Hamilton Sundstrand Corporation | 4923 |
5 |
| CareFusion 303, Inc. | 2218 |
5 |
| Fujikin Incorporated | 692 |
5 |
| Fujikoki Corporation | 390 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
4 |
| Hitachi Automotive Systems, Ltd. | 3955 |
4 |
| B. Braun Medical Inc. | 197 |
4 |
| Globe Union Industrial Corp. | 312 |
4 |
| Goodrich Corporation | 2137 |
4 |
| Flowserve Pte. Ltd. | 50 |
4 |
| Toyota Motor Corporation | 32956 |
3 |
| Mitsubishi Electric Corporation | 46547 |
3 |
| Nissan Motor Co., Ltd. | 12560 |
3 |
| Other owners | 374 |