- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
Patent holdings for IPC class F16K 47/04
Total number of patents in this class: 326
10-year publication summary
|
34
|
35
|
24
|
31
|
18
|
18
|
28
|
23
|
19
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1503 |
31 |
| Dresser LLC | 281 |
12 |
| Control Components, Inc. | 81 |
11 |
| Cameron International Corporation | 1355 |
8 |
| Emerson Process Management Regulator Technologies, Inc. | 383 |
8 |
| Samson Aktiengesellschaft | 277 |
8 |
| Flowserve Pte. Ltd | 361 |
7 |
| Bray International, Inc. | 140 |
5 |
| Robert Bosch GmbH | 43114 |
4 |
| Neles Finland Oy | 25 |
4 |
| Schlumberger Canada Limited | 7446 |
3 |
| Bayard SAS | 3 |
3 |
| Culligan International Company | 150 |
3 |
| Dresser, Inc. | 101 |
3 |
| Hanon Systems | 2013 |
3 |
| Master Flo Valve Inc. | 41 |
3 |
| Baker Hughes, a GE Company, LLC | 2103 |
3 |
| Emerson Vulcan Holding LLC | 127 |
3 |
| Griswold Industries, DBA Cla-Val Co. | 11 |
3 |
| Blue Origin Manufacturing, LLC | 252 |
3 |
| Other owners | 198 |