- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 15/139 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
Patent holdings for IPC class F16F 15/139
Total number of patents in this class: 117
10-year publication summary
|
14
|
3
|
12
|
7
|
5
|
12
|
5
|
3
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 9677 |
29 |
| Exedy Corporation | 481 |
20 |
| Aisin Seiki Kabushiki Kaisha | 2251 |
15 |
| Valeo Embrayages | 638 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12910 |
8 |
| Toyota Motor Corporation | 31162 |
4 |
| Dayco Europe S.r.l. | 144 |
4 |
| ZF Friedrichshafen AG | 7098 |
3 |
| Aisin AW Co., Ltd. | 2343 |
3 |
| Aisin Corporation | 1499 |
3 |
| Fondazione Istituto Italiano di Tecnologia | 572 |
2 |
| Yutaka Giken Co., Ltd. | 53 |
2 |
| Valeo Kapec Co., Ltd. | 180 |
2 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
1 |
| Aisin AW Industries Co., Ltd. | 63 |
1 |
| AVL List GmbH | 1276 |
1 |
| BorgWarner Inc. | 2611 |
1 |
| Dalian University of Technology | 1499 |
1 |
| Kabushiki Kaisha F.C.C. | 367 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2862 |
1 |
| Other owners | 7 |