- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/49 - Stops limiting fluid passage, e.g. hydraulic stops
Patent holdings for IPC class F16F 9/49
Total number of patents in this class: 207
10-year publication summary
|
11
|
21
|
18
|
23
|
21
|
19
|
20
|
17
|
12
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BeijingWest Industries, Co., Ltd. | 141 |
25 |
| PSA Automobiles SA | 2057 |
14 |
| Sistemi Sospensioni S.p.A. | 59 |
11 |
| Tenneco Automotive Operating Company Inc. | 658 |
11 |
| Hitachi Astemo, Ltd. | 5618 |
11 |
| ZF Friedrichshafen AG | 6820 |
9 |
| Oshkosh Defense, LLC | 159 |
8 |
| Fox Factory, Inc. | 752 |
6 |
| ThyssenKrupp AG | 3086 |
6 |
| KYB Motorcycle Suspension Co., Ltd. | 51 |
6 |
| DRiV Automotive Inc. | 280 |
6 |
| HL Mando Corporation | 1310 |
6 |
| Hydra Dyne Technology Inc. | 13 |
5 |
| KYB Corporation | 1278 |
5 |
| Hitachi Automotive Systems, Ltd. | 3970 |
4 |
| Ohlins Racing AB | 130 |
4 |
| ThyssenKrupp Bilstein of America, Inc. | 18 |
4 |
| FTC Solar, Inc. | 80 |
4 |
| KYB Europe GmbH Sucursal en Navarra | 8 |
4 |
| ThyssenKrupp Bilstein GmbH | 188 |
3 |
| Other owners | 55 |