- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 51/02 - Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
Patent holdings for IPC class F16K 51/02
Total number of patents in this class: 460
10-year publication summary
|
28
|
32
|
42
|
39
|
36
|
36
|
42
|
31
|
30
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VAT Holding AG | 226 |
139 |
| Applied Materials, Inc. | 18759 |
33 |
| ULVAC, Inc. | 1379 |
17 |
| Tokyo Electron Limited | 12795 |
13 |
| CKD Corporation | 455 |
13 |
| SMC Corporation | 1359 |
13 |
| Shimadzu Corporation | 6183 |
12 |
| MKS Instruments, Inc. | 648 |
12 |
| Presys Co., Ltd. | 13 |
8 |
| UBS AG, Stamford Branch | 26 |
8 |
| Presys.co.,ltd | 18 |
8 |
| Nippon Valqua Industries, Ltd. | 75 |
7 |
| Kitz SCT Corporation | 43 |
6 |
| Samsung Electronics Co., Ltd. | 147003 |
5 |
| Fujikin Incorporated | 691 |
5 |
| Sumitomo Heavy Industries, Ltd. | 1929 |
5 |
| V Tex Corporation | 12 |
5 |
| Atlas Copco Airpower, naamloze vennootschap | 1033 |
4 |
| Furukawa Mfg. Co., Ltd. | 12 |
4 |
| Vtec Co., Ltd. | 30 |
4 |
| Other owners | 139 |