- 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 11/16 - Servomotor systems without provision for follow-up action with two or more servomotors
Patent holdings for IPC class F15B 11/16
Total number of patents in this class: 759
10-year publication summary
|
49
|
78
|
87
|
79
|
60
|
57
|
51
|
56
|
54
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2686 |
52 |
| Robert Bosch GmbH | 43063 |
33 |
| Caterpillar Inc. | 9768 |
27 |
| Volvo Construction Equipment AB | 1213 |
27 |
| Kubota Corporation | 4050 |
26 |
| Deere & Company | 7758 |
21 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 200 |
20 |
| Blue Leaf I.P., Inc. | 2782 |
19 |
| Danfoss A/S | 1362 |
17 |
| Komatsu Ltd. | 4621 |
14 |
| Kawasaki Heavy Industries, Limited | 1647 |
14 |
| AGCO International GmbH | 625 |
13 |
| Caterpillar SARL | 480 |
13 |
| KYB Corporation | 1392 |
12 |
| Parker-Hannifin Corporation | 1002 |
12 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
12 |
| Illinois Tool Works Inc. | 11554 |
10 |
| Kobelco Construction Machinery Co., Ltd. | 1161 |
10 |
| Shimadzu Corporation | 6232 |
8 |
| Walvoil S.p.A. | 51 |
8 |
| Other owners | 391 |