- 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: 341
10-year publication summary
|
35
|
28
|
33
|
22
|
19
|
32
|
27
|
22
|
23
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1425 |
31 |
| Dresser LLC | 301 |
13 |
| Cameron International Corporation | 1367 |
9 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
9 |
| Samson Aktiengesellschaft | 277 |
8 |
| Flowserve Pte. Ltd | 379 |
7 |
| IMI Critical Engineering LLC | 112 |
7 |
| Bray International, Inc. | 152 |
6 |
| Robert Bosch GmbH | 44363 |
4 |
| Control Components, Inc. | 33 |
4 |
| Neles Finland Oy | 24 |
4 |
| Blue Origin Manufacturing, LLC | 364 |
4 |
| Schlumberger Canada Limited | 7616 |
3 |
| Bayard SAS | 3 |
3 |
| Culligan International Company | 149 |
3 |
| Dresser, Inc. | 94 |
3 |
| Hanon Systems | 2137 |
3 |
| Master Flo Valve Inc. | 39 |
3 |
| Baker Hughes, a GE Company, LLC | 2022 |
3 |
| Emerson Vulcan Holding LLC | 128 |
3 |
| Other owners | 211 |