- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 9/44 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction
Patent holdings for IPC class F16F 9/44
Total number of patents in this class: 280
10-year publication summary
|
40
|
25
|
27
|
28
|
28
|
19
|
14
|
14
|
16
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fox Factory, Inc. | 902 |
56 |
| KYB Corporation | 1430 |
14 |
| KYB Motorcycle Suspension Co., Ltd. | 86 |
14 |
| Hitachi Astemo, Ltd. | 6419 |
12 |
| ThyssenKrupp AG | 3353 |
8 |
| Kyntec Corporation | 19 |
7 |
| Kayaba Industry Co., Ltd. | 344 |
6 |
| Ohlins Racing AB | 105 |
6 |
| Oiles Corporation | 498 |
6 |
| Showa Corporation | 188 |
6 |
| ThyssenKrupp Bilstein GmbH | 221 |
6 |
| FTC Solar, Inc. | 80 |
6 |
| Tenneco Automotive Operating Company Inc. | 455 |
5 |
| Sumitomo Electric Industries, Ltd. | 16448 |
4 |
| Bell Helicopter Textron Inc. | 958 |
4 |
| Goodrich Corporation | 2178 |
4 |
| Koganei Corporation | 209 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3272 |
4 |
| Hitachi Automotive Systems, Ltd. | 3954 |
3 |
| Decathlon | 879 |
3 |
| Other owners | 102 |