- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 121/04 - Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Patent holdings for IPC class F16D 121/04
Total number of patents in this class: 466
10-year publication summary
32
|
51
|
57
|
55
|
59
|
48
|
45
|
26
|
21
|
19
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Akebono Brake Industry Co., Ltd. | 361 |
32 |
HL Mando Corporation | 1602 |
30 |
Hitachi Astemo, Ltd. | 6358 |
19 |
Schaeffler Technologies AG & Co. KG | 9731 |
16 |
Hitachi Automotive Systems, Ltd. | 3958 |
13 |
Robert Bosch GmbH | 42411 |
13 |
Shimano Inc. | 3221 |
13 |
Hyundai Mobis Co., Ltd. | 3101 |
13 |
Toyota Motor Corporation | 31377 |
12 |
Goodrich Corporation | 2100 |
12 |
Brembo S.p.A. | 442 |
11 |
Mazda Motor Corporation | 3113 |
10 |
ADVICS Co., Ltd. | 1272 |
9 |
Continental Automotive Technologies GmbH | 2594 |
8 |
Hyundai Motor Company | 21501 |
7 |
Ausco Products, Inc. | 33 |
7 |
Ford Global Technologies, LLC | 20396 |
6 |
Chassis Brakes International B.V. | 58 |
6 |
Kia Motors Corporation | 7760 |
5 |
KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH | 611 |
5 |
Other owners | 219 |