- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/124 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston servo actuated
Patent holdings for IPC class F16K 31/124
Total number of patents in this class: 233
10-year publication summary
|
24
|
26
|
30
|
23
|
20
|
14
|
10
|
11
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5015 |
15 |
| Robert Bosch GmbH | 44160 |
9 |
| Fisher Controls International LLC | 1457 |
5 |
| Fisher & Paykel Healthcare Limited | 2629 |
5 |
| Ofip Limited | 20 |
5 |
| Caterpillar Inc. | 10267 |
4 |
| Fujikin Incorporated | 696 |
4 |
| Pierburg GmbH | 480 |
4 |
| Rtx Corporation | 10102 |
4 |
| Eaton Corporation | 1804 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
3 |
| Alfa Laval Corporate AB | 1337 |
3 |
| Culligan International Company | 150 |
3 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
3 |
| ETO Magnetic GmbH | 279 |
3 |
| KYB Corporation | 1422 |
3 |
| Mac Valves, Inc. | 79 |
3 |
| Microtecnica S.r.l. | 100 |
3 |
| SMC Corporation | 1388 |
3 |
| Emerson Automation Solutions Final Control US LP | 50 |
3 |
| Other owners | 145 |