- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 9/36 - Special sealings, including sealings or guides for piston-rods
Patent holdings for IPC class F16F 9/36
Total number of patents in this class: 580
10-year publication summary
|
51
|
63
|
67
|
48
|
46
|
49
|
34
|
41
|
31
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1441 |
41 |
| Hitachi Astemo, Ltd. | 6434 |
39 |
| Advanced Suspension Technology LLC | 267 |
31 |
| BeijingWest Industries, Co., Ltd. | 158 |
20 |
| ThyssenKrupp Bilstein GmbH | 233 |
18 |
| Fox Factory, Inc. | 901 |
17 |
| ThyssenKrupp AG | 3333 |
17 |
| ZF Friedrichshafen AG | 7272 |
16 |
| Oshkosh Defense, LLC | 225 |
15 |
| Firestone Industrial Products Company, LLC | 326 |
9 |
| Nifco Inc. | 1111 |
9 |
| HL Mando Corporation | 1875 |
9 |
| Hitachi Automotive Systems, Ltd. | 3954 |
8 |
| Aktiebolaget SKF | 3163 |
8 |
| Kayaba Industry Co., Ltd. | 342 |
8 |
| Piolax Inc. | 426 |
8 |
| Tenneco Automotive Operating Company Inc. | 451 |
8 |
| FTC Solar, Inc. | 80 |
8 |
| Ohlins Racing AB | 99 |
7 |
| Special Springs S.r.l. | 43 |
7 |
| Other owners | 277 |