- 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 13/06 - 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: 226
10-year publication summary
|
21
|
22
|
32
|
25
|
19
|
10
|
25
|
13
|
16
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
21 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
10 |
| Volvo Construction Equipment AB | 1172 |
8 |
| Allison Transmission, Inc. | 833 |
6 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
6 |
| Kubota Corporation | 3054 |
5 |
| Parker Intangibles LLC | 1237 |
5 |
| Robert Bosch GmbH | 40953 |
4 |
| Caterpillar Paving Products Inc. | 628 |
4 |
| Graco Minnesota Inc. | 1124 |
4 |
| KYB Corporation | 1278 |
4 |
| HD Hyundai Infracore Co., Ltd | 252 |
4 |
| Deere & Company | 6845 |
3 |
| Blue Leaf I.P., Inc. | 2758 |
3 |
| Komatsu Ltd. | 4265 |
3 |
| Toyota Industries Corporation | 1010 |
3 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
3 |
| Nabtesco Corporation | 871 |
3 |
| FJ Dynamics Technology Co., Ltd | 103 |
3 |
| The Boeing Company | 19843 |
2 |
| Other owners | 122 |