- 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 13/16 - Special measures for feedback
Patent holdings for IPC class F15B 13/16
Total number of patents in this class: 66
10-year publication summary
|
4
|
5
|
9
|
6
|
3
|
4
|
2
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9208 |
5 |
| Danfoss A/S | 1327 |
4 |
| ASML Holding N.V. | 518 |
2 |
| Festo AG & Co. KG | 312 |
2 |
| Marvel Tech Inc. | 3 |
2 |
| Parker Hannifin Manufacturing Finland Oy | 5 |
2 |
| Transocean Innovation Labs Ltd | 43 |
2 |
| Woodward, Inc. | 638 |
2 |
| HD Hyundai Infracore Co., Ltd | 264 |
2 |
| Deere & Company | 7367 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2567 |
1 |
| Hamilton Sundstrand Corporation | 4742 |
1 |
| Allison Transmission, Inc. | 835 |
1 |
| Aurora Flight Sciences Corporation | 238 |
1 |
| Claverham Ltd. | 31 |
1 |
| CNH Industrial Canada, Ltd. | 974 |
1 |
| Cowan Dynamics Inc. | 10 |
1 |
| Entegris, Inc. | 1823 |
1 |
| Fisher Controls International LLC | 1516 |
1 |
| G.W. Lisk Company, Inc. | 36 |
1 |
| Other owners | 32 |