- 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 11/046 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the speed depending on the position of the working member
Patent holdings for IPC class F15B 11/046
Total number of patents in this class: 22
10-year publication summary
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0
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2
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3
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4
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4
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2
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1
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2650 |
3 |
| Caterpillar Inc. | 9647 |
3 |
| Flowserve Pte. Ltd | 356 |
3 |
| VAT Holding AG | 227 |
2 |
| Baker Hughes Incorporated | 5248 |
1 |
| Deere & Company | 7660 |
1 |
| BorgWarner Inc. | 2600 |
1 |
| Cowan Dynamics Inc. | 10 |
1 |
| Doosan Infracore Co., Ltd. | 309 |
1 |
| Scania CV AB | 2407 |
1 |
| Schwing GmbH | 116 |
1 |
| Sugino Machine Limited | 178 |
1 |
| Epiroc (Nanjing) Construction and Mining Equipment Co., Ltd. | 2 |
1 |
| Flutron AB | 3 |
1 |
| Festo SE & Co. KG | 390 |
1 |
| Other owners | 0 |