- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/346 - Throttling passages in the form of slots arranged in cylinder walls
Patent holdings for IPC class F16F 9/346
Total number of patents in this class: 84
10-year publication summary
|
1
|
9
|
8
|
14
|
10
|
9
|
9
|
8
|
3
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fox Factory, Inc. | 752 |
14 |
| Oshkosh Defense, LLC | 159 |
8 |
| BeijingWest Industries, Co., Ltd. | 141 |
5 |
| Hitachi Astemo, Ltd. | 5618 |
5 |
| Kyntec Corporation | 17 |
4 |
| Sistemi Sospensioni S.p.A. | 59 |
4 |
| DRiV Automotive Inc. | 280 |
3 |
| Koganei Corporation | 209 |
2 |
| Raptor Performance SHOCKS, LLC | 2 |
2 |
| Stabilus GmbH | 187 |
2 |
| Tenneco Automotive Operating Company Inc. | 658 |
2 |
| PSA Automobiles SA | 2057 |
2 |
| Vb-techniek B.V. | 2 |
2 |
| Siemens AG | 24990 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Anvis SD France S.A.S. | 12 |
1 |
| Birkgrove Pty Ltd | 9 |
1 |
| Enfield Technologies, LLC | 12 |
1 |
| Goodrich Corporation | 2081 |
1 |
| Jaguar Land Rover Limited | 4390 |
1 |
| Other owners | 22 |