- 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 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
Patent holdings for IPC class F15B 13/02
Total number of patents in this class: 1249
10-year publication summary
|
79
|
93
|
110
|
97
|
86
|
87
|
102
|
127
|
78
|
81
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9858 |
88 |
| Volvo Construction Equipment AB | 1214 |
86 |
| Deere & Company | 7785 |
26 |
| Robert Bosch GmbH | 43116 |
24 |
| Sun Hydraulics, LLC | 67 |
20 |
| Hitachi Construction Machinery Co., Ltd. | 2685 |
19 |
| Doosan Infracore Co., Ltd. | 309 |
18 |
| Kubota Corporation | 4070 |
17 |
| Parker-Hannifin Corporation | 1006 |
14 |
| Parker Intangibles LLC | 1199 |
14 |
| HYDAC Fluidtechnik GmbH | 137 |
12 |
| KYB Corporation | 1395 |
12 |
| Halliburton Energy Services, Inc. | 21114 |
9 |
| The Boeing Company | 20059 |
9 |
| Danfoss A/S | 1367 |
9 |
| Blue Leaf I.P., Inc. | 2782 |
8 |
| Komatsu Ltd. | 4621 |
8 |
| Caterpillar SARL | 480 |
8 |
| Hydro-Gear Limited Partnership | 339 |
8 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 387 |
8 |
| Other owners | 832 |