- 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 13/06 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
Patent holdings for IPC class F15B 13/06
Total number of patents in this class: 266
10-year publication summary
|
32
|
25
|
19
|
10
|
25
|
16
|
14
|
28
|
12
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10267 |
20 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
11 |
| Volvo Construction Equipment AB | 1222 |
8 |
| Allison Transmission, Inc. | 805 |
6 |
| Kubota Corporation | 4391 |
6 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 206 |
6 |
| Ipgate AG | 174 |
5 |
| Parker Intangibles LLC | 1169 |
5 |
| Robert Bosch GmbH | 44160 |
4 |
| Blue Leaf I.P., Inc. | 2932 |
4 |
| Komatsu Ltd. | 4723 |
4 |
| Caterpillar Paving Products Inc. | 726 |
4 |
| Graco Minnesota Inc. | 1280 |
4 |
| KYB Corporation | 1422 |
4 |
| Comtesco Corporation | 29 |
4 |
| Deere & Company | 8097 |
3 |
| Kawasaki Heavy Industries, Limited | 1673 |
3 |
| Toyota Industries Corporation | 1209 |
3 |
| Kobelco Construction Machinery Co., Ltd. | 1210 |
3 |
| FJ Dynamics Technology Co., Ltd | 103 |
3 |
| Other owners | 156 |