- 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: 324
10-year publication summary
|
34
|
21
|
23
|
21
|
26
|
22
|
16
|
14
|
28
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6377 |
32 |
| KYB Corporation | 1387 |
26 |
| Kayaba Industry Co., Ltd. | 351 |
19 |
| Fox Factory, Inc. | 855 |
17 |
| Advanced Suspension Technology LLC | 246 |
16 |
| Hitachi Automotive Systems, Ltd. | 3955 |
13 |
| Tenneco Automotive Operating Company Inc. | 298 |
11 |
| Honda Motor Co., Ltd. | 25774 |
7 |
| ThyssenKrupp Bilstein GmbH | 204 |
7 |
| HL Mando Corporation | 1669 |
7 |
| BeijingWest Industries, Co., Ltd. | 153 |
6 |
| ThyssenKrupp AG | 3322 |
6 |
| FTC Solar, Inc. | 78 |
6 |
| DT Swiss Inc. | 84 |
5 |
| Nifco Inc. | 1108 |
5 |
| Aisin Seiki Kabushiki Kaisha | 2217 |
4 |
| Showa Corporation | 188 |
4 |
| Clearmotion, Inc. | 175 |
4 |
| Huawei Technologies Co., Ltd. | 114756 |
3 |
| ZF Friedrichshafen AG | 7177 |
3 |
| Other owners | 123 |