- 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 13/04 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
Patent holdings for IPC class F15B 13/04
Total number of patents in this class: 1176
10-year publication summary
|
103
|
115
|
115
|
105
|
86
|
60
|
82
|
78
|
79
|
68
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44459 |
37 |
| Caterpillar Inc. | 10391 |
37 |
| Hamilton Sundstrand Corporation | 5013 |
36 |
| Deere & Company | 8267 |
31 |
| Danfoss A/S | 1456 |
27 |
| HYDAC Fluidtechnik GmbH | 139 |
25 |
| Parker-Hannifin Corporation | 1044 |
23 |
| Woodward, Inc. | 680 |
19 |
| Parker Intangibles LLC | 1161 |
18 |
| KYB Corporation | 1444 |
17 |
| Kawasaki Heavy Industries, Limited | 1721 |
16 |
| SMC Corporation | 1406 |
16 |
| Fisher Controls International LLC | 1414 |
15 |
| Kubota Corporation | 4508 |
15 |
| Volvo Construction Equipment AB | 1226 |
15 |
| Hitachi Construction Machinery Co., Ltd. | 2820 |
13 |
| HYDAC Systems & Services GmbH | 40 |
12 |
| Boston Dynamics, Inc. | 606 |
11 |
| The Boeing Company | 20237 |
10 |
| Komatsu Ltd. | 4836 |
10 |
| Other owners | 773 |