- 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 13/042 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
Patent holdings for IPC class F15B 13/042
Total number of patents in this class: 358
10-year publication summary
|
31
|
28
|
35
|
38
|
14
|
21
|
18
|
14
|
20
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10284 |
15 |
| Volvo Construction Equipment AB | 1221 |
15 |
| Sun Hydraulics, LLC | 74 |
11 |
| Kubota Corporation | 4405 |
10 |
| Komatsu Ltd. | 4740 |
9 |
| Fisher Controls International LLC | 1452 |
9 |
| Deere & Company | 8138 |
8 |
| Robert Bosch GmbH | 44238 |
8 |
| KYB Corporation | 1428 |
8 |
| Hitachi Construction Machinery Co., Ltd. | 2762 |
6 |
| Hamilton Sundstrand Corporation | 5014 |
6 |
| Safran Landing Systems | 778 |
6 |
| HUSCO International, Inc. | 71 |
5 |
| National Oilwell Varco, L.P. | 1702 |
5 |
| Safe Rack LLC | 55 |
5 |
| The Boeing Company | 20176 |
4 |
| Eaton Corporation | 1803 |
4 |
| Kawasaki Heavy Industries, Limited | 1679 |
4 |
| Aladdin Engineering and Manufacturing, Inc. | 8 |
4 |
| Danfoss Power Solutions ApS | 147 |
4 |
| Other owners | 212 |