- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F15B - Systems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details 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: 687
10-year publication summary
|
39
|
48
|
59
|
75
|
61
|
77
|
70
|
61
|
65
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1520 |
29 |
| Caterpillar Inc. | 8877 |
27 |
| Robert Bosch GmbH | 40953 |
20 |
| Danfoss A/S | 1259 |
18 |
| Festo SE & Co. KG | 349 |
16 |
| Deere & Company | 6845 |
15 |
| Festo AG & Co. KG | 313 |
13 |
| Samson Aktiengesellschaft | 250 |
12 |
| Komatsu Ltd. | 4265 |
11 |
| Caterpillar SARL | 441 |
10 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
9 |
| Audi AG | 7153 |
9 |
| The Boeing Company | 19843 |
8 |
| Woodward, Inc. | 602 |
8 |
| SMC Corporation | 1354 |
7 |
| Honda Motor Co., Ltd. | 24537 |
6 |
| Azbil Corporation | 486 |
6 |
| Prominent GmbH | 97 |
6 |
| Eaton Corporation | 1839 |
5 |
| Other owners | 443 |