- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 9/50 - Special means providing automatic damping adjustment
Patent holdings for IPC class F16F 9/50
Total number of patents in this class: 329
10-year publication summary
|
21
|
27
|
23
|
27
|
23
|
16
|
14
|
28
|
18
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6407 |
32 |
| KYB Corporation | 1423 |
27 |
| Fox Factory, Inc. | 901 |
19 |
| Kayaba Industry Co., Ltd. | 344 |
19 |
| Advanced Suspension Technology LLC | 260 |
16 |
| Hitachi Automotive Systems, Ltd. | 3954 |
13 |
| Tenneco Automotive Operating Company Inc. | 455 |
11 |
| Honda Motor Co., Ltd. | 26034 |
7 |
| ThyssenKrupp Bilstein GmbH | 220 |
7 |
| HL Mando Corporation | 1842 |
7 |
| BeijingWest Industries, Co., Ltd. | 158 |
6 |
| ThyssenKrupp AG | 3399 |
6 |
| FTC Solar, Inc. | 79 |
6 |
| DT Swiss Inc. | 85 |
5 |
| Aisin Seiki Kabushiki Kaisha | 2157 |
4 |
| Nifco Inc. | 1097 |
4 |
| Showa Corporation | 188 |
4 |
| Clearmotion, Inc. | 195 |
4 |
| Huawei Technologies Co., Ltd. | 123543 |
3 |
| ZF Friedrichshafen AG | 7247 |
3 |
| Other owners | 126 |