- 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: 344
10-year publication summary
|
21
|
30
|
28
|
33
|
35
|
13
|
21
|
15
|
14
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9647 |
15 |
| Volvo Construction Equipment AB | 1198 |
15 |
| Sun Hydraulics, LLC | 67 |
11 |
| Fisher Controls International LLC | 1508 |
10 |
| Kubota Corporation | 3983 |
10 |
| Komatsu Ltd. | 4576 |
9 |
| Robert Bosch GmbH | 42824 |
8 |
| KYB Corporation | 1372 |
8 |
| Deere & Company | 7660 |
7 |
| Hamilton Sundstrand Corporation | 4916 |
6 |
| Safran Landing Systems | 728 |
6 |
| Hitachi Construction Machinery Co., Ltd. | 2650 |
5 |
| HUSCO International, Inc. | 68 |
5 |
| National Oilwell Varco, L.P. | 1686 |
5 |
| The Boeing Company | 20124 |
4 |
| Eaton Corporation | 1815 |
4 |
| Aladdin Engineering and Manufacturing, Inc. | 8 |
4 |
| Danfoss Power Solutions ApS | 148 |
4 |
| Parker Intangibles LLC | 1160 |
4 |
| Safe Rack LLC | 52 |
4 |
| Other owners | 200 |