- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/48 - Attaching valve members to valve-spindles
Patent holdings for IPC class F16K 1/48
Total number of patents in this class: 227
10-year publication summary
|
11
|
17
|
24
|
13
|
14
|
26
|
16
|
13
|
18
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1460 |
29 |
| Emerson Process Management Regulator Technologies, Inc. | 389 |
20 |
| Continental Automotive GmbH | 4507 |
8 |
| VAT Holding AG | 246 |
7 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 699 |
7 |
| Cameron International Corporation | 1368 |
5 |
| Engineered Controls International, LLC | 159 |
4 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 231 |
4 |
| Mueller International, LLC | 744 |
4 |
| Samson Aktiengesellschaft | 276 |
4 |
| Danfoss A/S | 1428 |
4 |
| Schlumberger Technology Corporation | 11798 |
3 |
| SMC Corporation | 1385 |
3 |
| Swagelok Company | 316 |
3 |
| Dresser LLC | 294 |
3 |
| Vitesco Technologies GmbH | 2398 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2161 |
2 |
| Azbil Corporation | 473 |
2 |
| Beijing Kohler Ltd. | 44 |
2 |
| Bellofram Corporation | 36 |
2 |
| Other owners | 108 |