- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/56 - Means for adjusting the length of, or for locking, the spring or damper, e.g. at the end of the stroke
Patent holdings for IPC class F16F 9/56
Total number of patents in this class: 191
10-year publication summary
|
25
|
19
|
29
|
17
|
28
|
17
|
19
|
5
|
11
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 5618 |
16 |
| Fox Factory, Inc. | 752 |
14 |
| KYB Corporation | 1278 |
14 |
| Goodrich Corporation | 2081 |
7 |
| Inventus Engineering GmbH | 176 |
6 |
| Piaggio & C. S.p.A. | 1172 |
5 |
| Specialized Bicycle Components, Inc. | 720 |
5 |
| Stabilus GmbH | 187 |
5 |
| ThyssenKrupp AG | 3086 |
5 |
| ThyssenKrupp Bilstein GmbH | 188 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
| ZF Friedrichshafen AG | 6820 |
4 |
| The Boeing Company | 19843 |
3 |
| Barnes Group Inc. | 57 |
3 |
| Oshkosh Defense, LLC | 159 |
3 |
| Polaris Industries Inc. | 1987 |
3 |
| Hitachi Automotive Systems, Ltd. | 3970 |
2 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| Firestone Industrial Products Company, LLC | 316 |
2 |
| ITT Manufacturing Enterprises LLC | 518 |
2 |
| Other owners | 81 |