- 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 9/09 - 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 valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
Patent holdings for IPC class F15B 9/09
Total number of patents in this class: 75
10-year publication summary
|
5
|
3
|
9
|
7
|
8
|
8
|
4
|
1
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boston Dynamics, Inc. | 542 |
9 |
| Festo SE & Co. KG | 401 |
5 |
| Woodward, Inc. | 659 |
4 |
| Eishin Technology Company, Limited | 16 |
4 |
| Samson Aktiengesellschaft | 277 |
3 |
| Staccato Technologies AB | 13 |
3 |
| Panasonic Corporation | 19952 |
2 |
| Robert Bosch GmbH | 43096 |
2 |
| Hamilton Sundstrand Corporation | 4956 |
2 |
| Dresser, Inc. | 101 |
2 |
| Extendquip LLC | 9 |
2 |
| Safran Aircraft Engines | 6410 |
2 |
| SMC Corporation | 1376 |
2 |
| Voith Patent GmbH | 2762 |
2 |
| Siemens AG | 24333 |
1 |
| Toyota Motor Corporation | 33519 |
1 |
| The Boeing Company | 20186 |
1 |
| Rolls-Royce PLC | 3159 |
1 |
| Komatsu Ltd. | 4625 |
1 |
| Makita Corporation | 2481 |
1 |
| Other owners | 25 |