- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
Patent holdings for IPC class F16K 31/40
Total number of patents in this class: 373
10-year publication summary
|
28
|
28
|
30
|
31
|
25
|
38
|
23
|
25
|
25
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44291 |
27 |
| HYDAC Fluidtechnik GmbH | 139 |
21 |
| Danfoss A/S | 1447 |
19 |
| SDB IP Holdings, LLC | 116 |
15 |
| Fujikoki Corporation | 418 |
8 |
| Halliburton Energy Services, Inc. | 21284 |
7 |
| Delta Faucet Company | 2864 |
6 |
| Parker-Hannifin Corporation | 1042 |
6 |
| Elbi International S.p.A. | 114 |
5 |
| Goodrich Corporation | 2179 |
5 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 725 |
5 |
| Denso Corporation | 25717 |
4 |
| Hyundai Motor Company | 24898 |
4 |
| JPMorgan Chase Bank, National Association | 8975 |
4 |
| Artemis Intelligent Power Limited | 88 |
4 |
| Dukes Aerospace, Inc. | 11 |
4 |
| Pierburg GmbH | 479 |
4 |
| Robertshaw Controls Company | 95 |
4 |
| Benoît & Coté Inc. | 8 |
4 |
| Kohler Co. | 4144 |
3 |
| Other owners | 214 |