- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15B - Systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of fluid-pressure systems, not otherwise provided for
- F15B 9/04 - Servomotors with follow-up action, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by varying the output of a pump with variable capacity
Patent holdings for IPC class F15B 9/04
Total number of patents in this class: 17
10-year publication summary
|
3
|
0
|
0
|
2
|
0
|
1
|
0
|
1
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2797 |
2 |
| Eaton Corporation | 1803 |
1 |
| Robert Bosch GmbH | 44363 |
1 |
| Blue Leaf I.P., Inc. | 2929 |
1 |
| Komatsu Ltd. | 4811 |
1 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
1 |
| Fondazione Istituto Italiano di Tecnologia | 631 |
1 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
1 |
| Palfinger AG | 276 |
1 |
| Politecnico di Torino | 394 |
1 |
| Taiyuan University of Technology | 321 |
1 |
| Takeuchi Mfg. Co., Ltd. | 70 |
1 |
| Volvo Construction Equipment AB | 1225 |
1 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 404 |
1 |
| I.N.A.I.L. Istituto Nazionale Per L'assicurazione Contro Gli Infortuni Sul Lavoro | 34 |
1 |
| Artificial Lift Production International Corp. o/a AL PRO International Corp. | 3 |
1 |
| Other owners | 0 |