- 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: 2034
10-year publication summary
|
185
|
193
|
217
|
180
|
158
|
124
|
131
|
139
|
100
|
64
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1421 |
190 |
| Hitachi Astemo, Ltd. | 6410 |
158 |
| Hitachi Automotive Systems, Ltd. | 3954 |
75 |
| ZF Friedrichshafen AG | 7235 |
70 |
| Advanced Suspension Technology LLC | 261 |
64 |
| Fox Factory, Inc. | 901 |
62 |
| ThyssenKrupp Bilstein GmbH | 220 |
60 |
| ThyssenKrupp AG | 3423 |
55 |
| KYB Motorcycle Suspension Co., Ltd. | 86 |
50 |
| Goodrich Corporation | 2183 |
49 |
| Kayaba Industry Co., Ltd. | 344 |
46 |
| Showa Corporation | 188 |
40 |
| Firestone Industrial Products Company, LLC | 324 |
34 |
| BeijingWest Industries, Co., Ltd. | 158 |
30 |
| Tenneco Automotive Operating Company Inc. | 455 |
27 |
| Honda Motor Co., Ltd. | 26008 |
26 |
| Nifco Inc. | 1098 |
23 |
| Piolax Inc. | 425 |
23 |
| NHK Spring Co., Ltd. | 1983 |
22 |
| Oiles Corporation | 498 |
22 |
| Other owners | 908 |