- 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: 1120
10-year publication summary
|
82
|
103
|
112
|
113
|
102
|
84
|
55
|
78
|
77
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43063 |
40 |
| Caterpillar Inc. | 9768 |
35 |
| Hamilton Sundstrand Corporation | 4954 |
32 |
| Deere & Company | 7758 |
30 |
| Danfoss A/S | 1362 |
27 |
| HYDAC Fluidtechnik GmbH | 138 |
25 |
| Parker-Hannifin Corporation | 1002 |
23 |
| Parker Intangibles LLC | 1201 |
18 |
| Woodward, Inc. | 659 |
18 |
| KYB Corporation | 1392 |
16 |
| SMC Corporation | 1372 |
16 |
| Kawasaki Heavy Industries, Limited | 1647 |
15 |
| Fisher Controls International LLC | 1504 |
15 |
| Kubota Corporation | 4050 |
14 |
| Volvo Construction Equipment AB | 1213 |
14 |
| HYDAC Systems & Services GmbH | 40 |
12 |
| Hitachi Construction Machinery Co., Ltd. | 2686 |
11 |
| Boston Dynamics, Inc. | 542 |
11 |
| The Boeing Company | 20163 |
10 |
| Sun Hydraulics, LLC | 67 |
10 |
| Other owners | 728 |