- 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: 897
10-year publication summary
|
59
|
75
|
61
|
77
|
71
|
65
|
72
|
87
|
93
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44209 |
33 |
| Caterpillar Inc. | 10285 |
31 |
| Fisher Controls International LLC | 1453 |
28 |
| Festo SE & Co. KG | 437 |
21 |
| Deere & Company | 8127 |
19 |
| Danfoss A/S | 1438 |
19 |
| Hitachi Construction Machinery Co., Ltd. | 2758 |
16 |
| Samson Aktiengesellschaft | 277 |
14 |
| Komatsu Ltd. | 4741 |
12 |
| Caterpillar SARL | 486 |
12 |
| Festo AG & Co. KG | 276 |
12 |
| Atlas Copco Airpower, naamloze vennootschap | 1082 |
9 |
| Audi AG | 7564 |
9 |
| Kubota Corporation | 4403 |
9 |
| The Boeing Company | 20168 |
8 |
| Kawasaki Heavy Industries, Limited | 1676 |
8 |
| Saudi Arabian Oil Company | 14275 |
8 |
| Hawe Hydraulik SE | 106 |
7 |
| SMC Corporation | 1391 |
7 |
| Woodward, Inc. | 674 |
7 |
| Other owners | 608 |