- 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: 1297
10-year publication summary
|
100
|
115
|
100
|
91
|
91
|
106
|
128
|
79
|
82
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10267 |
88 |
| Volvo Construction Equipment AB | 1222 |
85 |
| Deere & Company | 8097 |
27 |
| Robert Bosch GmbH | 44160 |
24 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
19 |
| Sun Hydraulics, LLC | 74 |
19 |
| Doosan Infracore Co., Ltd. | 308 |
18 |
| Kubota Corporation | 4391 |
17 |
| Parker-Hannifin Corporation | 1035 |
14 |
| Parker Intangibles LLC | 1169 |
14 |
| KYB Corporation | 1422 |
13 |
| HYDAC Fluidtechnik GmbH | 140 |
12 |
| Halliburton Energy Services, Inc. | 21338 |
10 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 407 |
10 |
| Sany Automobile Manufacturing Co., Ltd. | 147 |
10 |
| The Boeing Company | 20160 |
9 |
| Danfoss A/S | 1432 |
9 |
| Blue Leaf I.P., Inc. | 2932 |
8 |
| Komatsu Ltd. | 4723 |
8 |
| Caterpillar SARL | 486 |
8 |
| Other owners | 875 |