- 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: 803
10-year publication summary
|
48
|
59
|
75
|
61
|
77
|
71
|
64
|
70
|
81
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1476 |
30 |
| Caterpillar Inc. | 9549 |
29 |
| Robert Bosch GmbH | 42684 |
28 |
| Festo SE & Co. KG | 386 |
19 |
| Danfoss A/S | 1355 |
18 |
| Deere & Company | 7609 |
16 |
| Samson Aktiengesellschaft | 279 |
14 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
13 |
| Komatsu Ltd. | 4554 |
12 |
| Festo AG & Co. KG | 306 |
12 |
| Caterpillar SARL | 476 |
11 |
| Atlas Copco Airpower, naamloze vennootschap | 1029 |
9 |
| Audi AG | 7361 |
9 |
| The Boeing Company | 20053 |
8 |
| Kawasaki Heavy Industries, Limited | 1632 |
8 |
| Saudi Arabian Oil Company | 13185 |
7 |
| SMC Corporation | 1361 |
7 |
| Woodward, Inc. | 645 |
7 |
| Azbil Corporation | 464 |
6 |
| Prominent GmbH | 98 |
6 |
| Other owners | 534 |