- 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: 319
10-year publication summary
|
38
|
35
|
28
|
33
|
22
|
19
|
32
|
26
|
20
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1488 |
31 |
| Control Components, Inc. | 82 |
13 |
| Dresser LLC | 268 |
12 |
| Cameron International Corporation | 1332 |
8 |
| Emerson Process Management Regulator Technologies, Inc. | 382 |
8 |
| Samson Aktiengesellschaft | 279 |
8 |
| Flowserve Pte. Ltd | 341 |
7 |
| Bray International, Inc. | 137 |
5 |
| Robert Bosch GmbH | 42689 |
4 |
| Neles Finland Oy | 25 |
4 |
| Bayard SAS | 3 |
3 |
| Culligan International Company | 152 |
3 |
| Hanon Systems | 1940 |
3 |
| Master Flo Valve Inc. | 42 |
3 |
| Baker Hughes, a GE Company, LLC | 2112 |
3 |
| Emerson Vulcan Holding LLC | 129 |
3 |
| Griswold Industries, DBA Cla-Val Co. | 11 |
3 |
| Schlumberger Canada Limited | 7296 |
2 |
| Illinois Tool Works Inc. | 11470 |
2 |
| The Boeing Company | 20043 |
2 |
| Other owners | 192 |