- 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 19/00 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere
Patent holdings for IPC class F15B 19/00
Total number of patents in this class: 861
10-year publication summary
|
56
|
70
|
59
|
72
|
67
|
62
|
70
|
85
|
90
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43294 |
32 |
| Caterpillar Inc. | 9998 |
31 |
| Fisher Controls International LLC | 1495 |
31 |
| Festo SE & Co. KG | 408 |
21 |
| Deere & Company | 7837 |
19 |
| Danfoss A/S | 1374 |
19 |
| Samson Aktiengesellschaft | 278 |
14 |
| Hitachi Construction Machinery Co., Ltd. | 2678 |
13 |
| Komatsu Ltd. | 4646 |
12 |
| Caterpillar SARL | 481 |
12 |
| Festo AG & Co. KG | 302 |
12 |
| Kawasaki Heavy Industries, Limited | 1631 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1056 |
9 |
| Audi AG | 7430 |
9 |
| The Boeing Company | 20106 |
8 |
| Kubota Corporation | 4149 |
8 |
| Saudi Arabian Oil Company | 13857 |
8 |
| SMC Corporation | 1373 |
7 |
| Woodward, Inc. | 665 |
7 |
| Azbil Corporation | 470 |
6 |
| Other owners | 574 |