- 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: 492
10-year publication summary
|
32
|
42
|
39
|
36
|
36
|
44
|
31
|
33
|
44
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VAT Holding AG | 246 |
149 |
| Applied Materials, Inc. | 20375 |
36 |
| ULVAC, Inc. | 1345 |
16 |
| CKD Corporation | 468 |
14 |
| Tokyo Electron Limited | 13807 |
13 |
| SMC Corporation | 1388 |
13 |
| Shimadzu Corporation | 6340 |
12 |
| MKS Instruments, Inc. | 550 |
11 |
| Presys.co.,ltd | 20 |
10 |
| Presys Co., Ltd. | 17 |
8 |
| UBS AG, Stamford Branch | 63 |
8 |
| Samsung Electronics Co., Ltd. | 157719 |
7 |
| Kitz SCT Corporation | 47 |
7 |
| Fujikin Incorporated | 696 |
5 |
| Sumitomo Heavy Industries, Ltd. | 2112 |
5 |
| V Tex Corporation | 12 |
5 |
| Vtec Co., Ltd. | 40 |
5 |
| ASML Netherlands B.V. | 7925 |
4 |
| Lam Research Corporation | 5635 |
4 |
| ASM IP Holding B.V. | 2397 |
4 |
| Other owners | 156 |