- 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 13/043 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
Patent holdings for IPC class F15B 13/043
Total number of patents in this class: 439
10-year publication summary
43
|
21
|
41
|
35
|
50
|
44
|
30
|
8
|
24
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hamilton Sundstrand Corporation | 4525 |
47 |
Volvo Construction Equipment AB | 1172 |
30 |
Caterpillar Inc. | 8877 |
17 |
Fisher Controls International LLC | 1520 |
16 |
Danfoss A/S | 1259 |
12 |
SMC Corporation | 1354 |
11 |
Woodward, Inc. | 602 |
10 |
Robert Bosch GmbH | 40953 |
9 |
HYDAC Fluidtechnik GmbH | 130 |
8 |
Sun Hydraulics, LLC | 67 |
8 |
Safran AeroSystems Hydraulics | 12 |
8 |
KYB Corporation | 1278 |
7 |
Parker Intangibles LLC | 1237 |
7 |
Honeywell International Inc. | 13799 |
6 |
Kawasaki Heavy Industries, Limited | 1524 |
6 |
Moog Inc. | 424 |
6 |
Parker Hannifin EMEA S.à.r.l. | 70 |
6 |
Festo SE & Co. KG | 349 |
6 |
Samson Aktiengesellschaft | 250 |
5 |
Azbil Corporation | 486 |
4 |
Other owners | 210 |