- 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: 818
10-year publication summary
|
43
|
56
|
70
|
59
|
72
|
67
|
62
|
69
|
81
|
70
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42824 |
30 |
| Caterpillar Inc. | 9647 |
30 |
| Fisher Controls International LLC | 1508 |
30 |
| Festo SE & Co. KG | 390 |
19 |
| Danfoss A/S | 1353 |
18 |
| Deere & Company | 7660 |
17 |
| Samson Aktiengesellschaft | 279 |
14 |
| Hitachi Construction Machinery Co., Ltd. | 2650 |
13 |
| Komatsu Ltd. | 4576 |
13 |
| Festo AG & Co. KG | 306 |
12 |
| Caterpillar SARL | 478 |
11 |
| Atlas Copco Airpower, naamloze vennootschap | 1035 |
9 |
| Audi AG | 7377 |
9 |
| The Boeing Company | 20124 |
8 |
| Kawasaki Heavy Industries, Limited | 1655 |
8 |
| Saudi Arabian Oil Company | 13372 |
8 |
| SMC Corporation | 1362 |
7 |
| Woodward, Inc. | 648 |
7 |
| Azbil Corporation | 467 |
6 |
| Prominent GmbH | 99 |
6 |
| Other owners | 543 |