- 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 15/20 - Other details
Patent holdings for IPC class F15B 15/20
Total number of patents in this class: 685
10-year publication summary
|
33
|
48
|
49
|
59
|
45
|
99
|
85
|
56
|
50
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42721 |
19 |
| SMC Corporation | 1359 |
13 |
| Hitachi Construction Machinery Co., Ltd. | 2646 |
11 |
| Hamilton Sundstrand Corporation | 4900 |
10 |
| Festo SE & Co. KG | 387 |
8 |
| The Boeing Company | 20090 |
7 |
| Kubota Corporation | 3925 |
7 |
| Caterpillar Inc. | 9593 |
6 |
| Goodrich Actuation Systems SAS | 164 |
6 |
| Kosmek Ltd. | 151 |
6 |
| Saab AB | 810 |
6 |
| PistonPower ApS | 14 |
6 |
| Kawasaki Heavy Industries, Limited | 1646 |
5 |
| Aladdin Engineering and Manufacturing, Inc. | 8 |
5 |
| Bumach Engineering International B.V. | 34 |
5 |
| Fisher Controls International LLC | 1507 |
5 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
5 |
| L & B Manufacturing, Inc. | 27 |
5 |
| Milwaukee Electric Tool Corporation | 4428 |
5 |
| Nordhydraulic AB | 37 |
5 |
| Other owners | 540 |