- 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 15/20 - Other details
Patent holdings for IPC class F15B 15/20
Total number of patents in this class: 624
10-year publication summary
55
|
39
|
49
|
55
|
66
|
51
|
103
|
87
|
62
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
18 |
SMC Corporation | 1354 |
13 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
10 |
Hamilton Sundstrand Corporation | 4525 |
9 |
The Boeing Company | 19843 |
8 |
Festo SE & Co. KG | 349 |
8 |
PistonPower ApS | 18 |
7 |
Kosmek Ltd. | 135 |
6 |
Saab AB | 814 |
6 |
Aladdin Engineering and Manufacturing, Inc. | 7 |
5 |
Festo AG & Co. KG | 313 |
5 |
Fisher Controls International LLC | 1520 |
5 |
Goodrich Actuation Systems SAS | 134 |
5 |
Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
5 |
L & B Manufacturing, Inc. | 27 |
5 |
Nordhydraulic AB | 36 |
5 |
Sany Heavy Industry Co., Ltd. | 243 |
5 |
Schlumberger Technology Corporation | 9690 |
4 |
Halliburton Energy Services, Inc. | 20165 |
4 |
Illinois Tool Works Inc. | 11152 |
4 |
Other owners | 487 |