- 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: 1918
10-year publication summary
|
162
|
185
|
193
|
217
|
180
|
158
|
123
|
129
|
136
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1349 |
182 |
| Hitachi Astemo, Ltd. | 6342 |
151 |
| Hitachi Automotive Systems, Ltd. | 3958 |
75 |
| ZF Friedrichshafen AG | 7103 |
70 |
| Tenneco Automotive Operating Company Inc. | 634 |
62 |
| Fox Factory, Inc. | 826 |
57 |
| ThyssenKrupp Bilstein GmbH | 199 |
55 |
| Goodrich Corporation | 2095 |
49 |
| Kayaba Industry Co., Ltd. | 358 |
49 |
| ThyssenKrupp AG | 3248 |
48 |
| KYB Motorcycle Suspension Co., Ltd. | 70 |
41 |
| Showa Corporation | 188 |
40 |
| DRiV Automotive Inc. | 333 |
38 |
| Firestone Industrial Products Company, LLC | 329 |
34 |
| BeijingWest Industries, Co., Ltd. | 150 |
30 |
| Honda Motor Co., Ltd. | 25122 |
25 |
| Nifco Inc. | 1104 |
25 |
| NHK Spring Co., Ltd. | 1812 |
22 |
| Oiles Corporation | 510 |
22 |
| Piolax Inc. | 401 |
20 |
| Other owners | 823 |