- 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 11/17 - Servomotor systems without provision for follow-up action with two or more servomotors using two or more pumps
Patent holdings for IPC class F15B 11/17
Total number of patents in this class: 602
10-year publication summary
|
42
|
50
|
43
|
51
|
44
|
42
|
42
|
26
|
38
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2762 |
69 |
| Volvo Construction Equipment AB | 1222 |
26 |
| Caterpillar Inc. | 10280 |
22 |
| Komatsu Ltd. | 4751 |
21 |
| Kobelco Construction Machinery Co., Ltd. | 1213 |
20 |
| Caterpillar SARL | 487 |
19 |
| Robert Bosch GmbH | 44254 |
17 |
| HD Construction Equipment Co., Ltd., HD Hyundai Infracore Co., Ltd. | 231 |
17 |
| KYB Corporation | 1430 |
16 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3272 |
16 |
| Kubota Corporation | 4409 |
13 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 208 |
12 |
| Voith Patent GmbH | 2741 |
11 |
| Kawasaki Heavy Industries, Limited | 1683 |
10 |
| Kayaba Industry Co., Ltd. | 344 |
10 |
| Deere & Company | 8150 |
8 |
| Artemis Intelligent Power Limited | 89 |
7 |
| Hydro-Gear Limited Partnership | 329 |
7 |
| Oshkosh Corporation | 1628 |
7 |
| Blue Leaf I.P., Inc. | 2930 |
6 |
| Other owners | 268 |