- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/163 - Operating meansReleasing devices actuated by fluid with a mechanism, other than pulling- or pushing-rod, between fluid motor and closure member the fluid acting on a piston
Patent holdings for IPC class F16K 31/163
Total number of patents in this class: 195
10-year publication summary
|
23
|
23
|
18
|
14
|
12
|
21
|
10
|
17
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1506 |
23 |
| Kaneko Sangyo Co., Ltd. | 34 |
11 |
| Hamilton Sundstrand Corporation | 4932 |
10 |
| Emerson Process Management Valve Automation, Inc. | 59 |
8 |
| Robert Bosch GmbH | 42861 |
7 |
| Schlumberger Technology Corporation | 10930 |
4 |
| Aventics Corporation | 26 |
4 |
| Emerson Process Management Regulator Technologies, Inc. | 383 |
4 |
| Festo AG & Co. KG | 306 |
4 |
| Victaulic Company | 614 |
4 |
| Schaeffler Technologies AG & Co. KG | 10056 |
3 |
| Bray International, Inc. | 138 |
3 |
| Fujikin Incorporated | 694 |
3 |
| Goodrich Corporation | 2148 |
3 |
| OMAL S.p.A. | 6 |
3 |
| Out and Out Chemistry SPRL | 17 |
3 |
| Stoneage, Inc. | 264 |
3 |
| Flowserve S.r.l. | 4 |
3 |
| 4MC | 3 |
3 |
| Halliburton Energy Services, Inc. | 20991 |
2 |
| Other owners | 87 |