- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/124 - Operating means; Releasing 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: 224
10-year publication summary
|
27
|
20
|
24
|
26
|
30
|
23
|
20
|
14
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
14 |
| Robert Bosch GmbH | 40953 |
9 |
| Fisher Controls International LLC | 1520 |
5 |
| Ofip Limited | 18 |
5 |
| Caterpillar Inc. | 8877 |
4 |
| Fisher & Paykel Healthcare Limited | 2218 |
4 |
| Fujikin Incorporated | 671 |
4 |
| Pierburg GmbH | 435 |
4 |
| Rtx Corporation | 8674 |
4 |
| Siemens AG | 24990 |
3 |
| Eaton Corporation | 1839 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
3 |
| Alfa Laval Corporate AB | 1265 |
3 |
| Bobst Mex SA | 542 |
3 |
| Culligan International Company | 141 |
3 |
| ETO Magnetic GmbH | 247 |
3 |
| KYB Corporation | 1278 |
3 |
| Mac Valves, Inc. | 82 |
3 |
| SMC Corporation | 1354 |
3 |
| Emerson Automation Solutions Final Control US LP | 36 |
3 |
| Other owners | 138 |