- 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 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: 699
10-year publication summary
|
51
|
50
|
78
|
89
|
81
|
60
|
57
|
51
|
50
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2498 |
45 |
| Robert Bosch GmbH | 40953 |
33 |
| Caterpillar Inc. | 8877 |
27 |
| Volvo Construction Equipment AB | 1172 |
27 |
| Kubota Corporation | 3054 |
22 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
20 |
| Deere & Company | 6845 |
17 |
| Danfoss A/S | 1259 |
17 |
| Blue Leaf I.P., Inc. | 2758 |
15 |
| Komatsu Ltd. | 4265 |
14 |
| Caterpillar SARL | 441 |
13 |
| Kawasaki Heavy Industries, Limited | 1524 |
12 |
| AGCO International GmbH | 504 |
12 |
| KYB Corporation | 1278 |
12 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 245 |
12 |
| Illinois Tool Works Inc. | 11152 |
10 |
| Parker-Hannifin Corporation | 999 |
10 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
9 |
| Shimadzu Corporation | 5791 |
8 |
| Walvoil S.p.A. | 50 |
7 |
| Other owners | 357 |