- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F15B - Systems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details 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: 1128
10-year publication summary
84
|
81
|
100
|
115
|
100
|
90
|
90
|
104
|
127
|
31
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Volvo Construction Equipment AB | 1172 |
84 |
Caterpillar Inc. | 8877 |
82 |
Deere & Company | 6845 |
24 |
Robert Bosch GmbH | 40953 |
23 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
19 |
Doosan Infracore Co., Ltd. | 313 |
18 |
Sun Hydraulics, LLC | 67 |
18 |
Kubota Corporation | 3054 |
17 |
Parker Intangibles LLC | 1237 |
15 |
KYB Corporation | 1278 |
14 |
HYDAC Fluidtechnik GmbH | 130 |
12 |
Parker-Hannifin Corporation | 999 |
11 |
The Boeing Company | 19843 |
10 |
Danfoss A/S | 1259 |
10 |
Blue Leaf I.P., Inc. | 2758 |
8 |
Komatsu Ltd. | 4265 |
8 |
Hydro-Gear Limited Partnership | 355 |
8 |
Sany Automobile Manufacturing Co., Ltd. | 117 |
8 |
BorgWarner Inc. | 2604 |
7 |
Caterpillar SARL | 441 |
7 |
Other owners | 725 |