- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/40 - Arrangements for preventing froth
Patent holdings for IPC class F16F 9/40
Total number of patents in this class: 14
10-year publication summary
|
2
|
4
|
1
|
4
|
1
|
1
|
1
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Automotive Systems, Ltd. | 3970 |
3 |
| KYB Corporation | 1278 |
3 |
| Showa Corporation | 190 |
3 |
| Holmes Solutions Limited Partnership | 38 |
2 |
| KYB Motorcycle Suspension Co., Ltd. | 51 |
2 |
| BeijingWest Industries, Co., Ltd. | 141 |
1 |
| Other owners | 0 |