- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 9/348 - Throttling passages in the form of annular discs operating in opposite directions
Patent holdings for IPC class F16F 9/348
Total number of patents in this class: 610
10-year publication summary
|
51
|
63
|
59
|
49
|
43
|
51
|
50
|
57
|
31
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6386 |
96 |
| KYB Corporation | 1399 |
73 |
| ZF Friedrichshafen AG | 7206 |
71 |
| Advanced Suspension Technology LLC | 253 |
35 |
| HL Mando Corporation | 1723 |
32 |
| Fox Factory, Inc. | 868 |
29 |
| BeijingWest Industries, Co., Ltd. | 154 |
27 |
| Hitachi Automotive Systems, Ltd. | 3954 |
24 |
| ThyssenKrupp Bilstein GmbH | 207 |
23 |
| ThyssenKrupp AG | 3391 |
17 |
| Kayaba Industry Co., Ltd. | 348 |
16 |
| Ohlins Racing AB | 121 |
10 |
| Tenneco Automotive Operating Company Inc. | 279 |
9 |
| DRiV Automotive Inc. | 80 |
9 |
| Koni B.V. | 46 |
8 |
| Oshkosh Defense, LLC | 202 |
6 |
| KYB Motorcycle Suspension Co., Ltd. | 81 |
6 |
| N10z Performance Shocks LLC | 6 |
6 |
| KYB Europe GmbH Sucursal en Navarra | 10 |
6 |
| Honda Motor Co., Ltd. | 25764 |
5 |
| Other owners | 102 |