- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
Patent holdings for IPC class F16F 9/32
Total number of patents in this class: 1999
10-year publication summary
|
179
|
192
|
211
|
171
|
154
|
123
|
129
|
132
|
96
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1400 |
186 |
| Hitachi Astemo, Ltd. | 6383 |
155 |
| Hitachi Automotive Systems, Ltd. | 3954 |
75 |
| ZF Friedrichshafen AG | 7209 |
70 |
| Advanced Suspension Technology LLC | 254 |
64 |
| Fox Factory, Inc. | 873 |
61 |
| ThyssenKrupp Bilstein GmbH | 214 |
59 |
| ThyssenKrupp AG | 3406 |
52 |
| Goodrich Corporation | 2186 |
49 |
| KYB Motorcycle Suspension Co., Ltd. | 81 |
49 |
| Kayaba Industry Co., Ltd. | 347 |
47 |
| Showa Corporation | 188 |
40 |
| Firestone Industrial Products Company, LLC | 325 |
34 |
| BeijingWest Industries, Co., Ltd. | 154 |
30 |
| Tenneco Automotive Operating Company Inc. | 273 |
27 |
| Honda Motor Co., Ltd. | 25795 |
25 |
| Nifco Inc. | 1112 |
25 |
| NHK Spring Co., Ltd. | 1933 |
22 |
| Oiles Corporation | 509 |
22 |
| Piolax Inc. | 421 |
22 |
| Other owners | 885 |