- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 31/40 - Operating means; Releasing 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: 344
10-year publication summary
30
|
37
|
28
|
28
|
30
|
31
|
25
|
36
|
23
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
22 |
Danfoss A/S | 1259 |
18 |
HYDAC Fluidtechnik GmbH | 130 |
16 |
SDB IP Holdings, LLC | 124 |
16 |
Elbi International S.p.A. | 90 |
8 |
Fujikoki Corporation | 330 |
8 |
Halliburton Energy Services, Inc. | 20165 |
6 |
Artemis Intelligent Power Limited | 106 |
5 |
Delta Faucet Company | 2725 |
5 |
Goodrich Corporation | 2081 |
5 |
Sun Hydraulics, LLC | 67 |
5 |
Denso Corporation | 23338 |
4 |
Caterpillar Inc. | 8877 |
4 |
Hyundai Motor Company | 19021 |
4 |
Dukes Aerospace, Inc. | 11 |
4 |
Parker-Hannifin Corporation | 999 |
4 |
Pierburg GmbH | 435 |
4 |
R.P.E. S.r.l. | 20 |
4 |
Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
4 |
Zurn Water, LLC | 198 |
4 |
Other owners | 194 |