- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/342 - Throttling passages operating with metering pins
Patent holdings for IPC class F16F 9/342
Total number of patents in this class: 54
10-year publication summary
|
5
|
4
|
2
|
4
|
8
|
1
|
6
|
2
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goodrich Corporation | 2081 |
8 |
| Hitachi Astemo, Ltd. | 5618 |
6 |
| Fox Factory, Inc. | 752 |
4 |
| Tenneco Automotive Operating Company Inc. | 658 |
4 |
| Messier-dowty Inc. | 22 |
3 |
| Hitachi Automotive Systems, Ltd. | 3970 |
2 |
| ZF Friedrichshafen AG | 6820 |
2 |
| Magneti Marelli Copaf Companhia Fabricadora de Pecas | 2 |
2 |
| Nifco Inc. | 1103 |
2 |
| Safran Landing Systems | 621 |
2 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1407 |
2 |
| KYB Motorcycle Suspension Co., Ltd. | 51 |
2 |
| Continental Aktiengesellschaft | 168 |
1 |
| Bell Helicopter Textron Inc. | 1122 |
1 |
| Kayaba Industry Co., Ltd. | 376 |
1 |
| KYB Corporation | 1278 |
1 |
| Qa1 Precision Products, Inc | 16 |
1 |
| Sandvik Mining and Construction Oy | 703 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Bilstein of America, Inc. | 18 |
1 |
| Other owners | 7 |