- 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: 229
10-year publication summary
|
11
|
17
|
24
|
13
|
14
|
26
|
16
|
13
|
18
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1430 |
29 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
20 |
| Continental Automotive GmbH | 4459 |
8 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 725 |
8 |
| VAT Holding AG | 247 |
7 |
| Cameron International Corporation | 1367 |
5 |
| Samson Aktiengesellschaft | 277 |
5 |
| Engineered Controls International, LLC | 160 |
4 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 233 |
4 |
| Mueller International, LLC | 744 |
4 |
| Danfoss A/S | 1447 |
4 |
| Schlumberger Technology Corporation | 11924 |
3 |
| SMC Corporation | 1398 |
3 |
| Swagelok Company | 316 |
3 |
| Dresser LLC | 300 |
3 |
| Vitesco Technologies GmbH | 2395 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2153 |
2 |
| Azbil Corporation | 473 |
2 |
| Beijing Kohler Ltd. | 44 |
2 |
| Bellofram Corporation | 36 |
2 |
| Other owners | 108 |