- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/516 - Special means providing automatic damping adjustment resulting in the damping effects during contraction being different from the damping effects during extension
Patent holdings for IPC class F16F 9/516
Total number of patents in this class: 208
10-year publication summary
|
10
|
22
|
30
|
22
|
25
|
23
|
23
|
20
|
21
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1278 |
20 |
| Hitachi Astemo, Ltd. | 5618 |
20 |
| Fox Factory, Inc. | 752 |
19 |
| BeijingWest Industries, Co., Ltd. | 141 |
8 |
| ZF Friedrichshafen AG | 6820 |
7 |
| Koni B.V. | 46 |
6 |
| Ohlins Racing AB | 130 |
6 |
| Betterguards Technology GmbH | 40 |
5 |
| Piolax Inc. | 388 |
5 |
| ThyssenKrupp AG | 3086 |
5 |
| ThyssenKrupp Bilstein GmbH | 188 |
5 |
| DRiV Automotive Inc. | 280 |
5 |
| Hitachi Automotive Systems, Ltd. | 3970 |
4 |
| Sistemi Sospensioni S.p.A. | 59 |
4 |
| Tenneco Automotive Operating Company Inc. | 658 |
4 |
| Titus d.o.o. Dekani | 37 |
4 |
| Moshun, LLC | 40 |
4 |
| HL Mando Corporation | 1310 |
4 |
| Stabilus GmbH | 187 |
3 |
| Suspa GmbH | 63 |
3 |
| Other owners | 67 |