- 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 11/00 - Servomotor systems without provision for follow-up action
Patent holdings for IPC class F15B 11/00
Total number of patents in this class: 687
10-year publication summary
|
53
|
50
|
51
|
60
|
53
|
32
|
23
|
28
|
29
|
20
|
| 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. | 2650 |
89 |
| KYB Corporation | 1372 |
58 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3056 |
58 |
| Kayaba Industry Co., Ltd. | 352 |
31 |
| Komatsu Ltd. | 4576 |
18 |
| Kobelco Construction Machinery Co., Ltd. | 1152 |
17 |
| Danfoss A/S | 1353 |
17 |
| Kubota Corporation | 3983 |
16 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
13 |
| SMC Corporation | 1362 |
12 |
| Caterpillar Inc. | 9647 |
11 |
| Festo SE & Co. KG | 390 |
11 |
| Nabtesco Corporation | 886 |
10 |
| Sumitomo Heavy Industries, Ltd. | 1949 |
10 |
| Volvo Construction Equipment AB | 1198 |
10 |
| Yanmar Co., Ltd. | 1392 |
10 |
| Festo AG & Co. KG | 306 |
9 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 197 |
9 |
| Robert Bosch GmbH | 42824 |
8 |
| Caterpillar SARL | 478 |
8 |
| Other owners | 262 |