- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 15/31 - Flywheels characterised by means for varying the moment of inertia
Patent holdings for IPC class F16F 15/31
Total number of patents in this class: 143
10-year publication summary
|
13
|
20
|
22
|
26
|
9
|
8
|
10
|
7
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exedy Corporation | 485 |
20 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13060 |
11 |
| Aisin AW Co., Ltd. | 2361 |
9 |
| Aisin AW Industries Co., Ltd. | 63 |
8 |
| Toyota Motor Corporation | 30540 |
7 |
| Heptron Power Transmission Limited | 6 |
5 |
| Honda Motor Co., Ltd. | 24908 |
4 |
| Valeo Embrayages | 621 |
4 |
| Infiniforce, Inc. | 7 |
3 |
| KineticCore Solutions LLC | 6 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 13899 |
2 |
| Schaeffler Technologies AG & Co. KG | 9423 |
2 |
| American Axle & Manufacturing, Inc. | 657 |
2 |
| BorgWarner Inc. | 2609 |
2 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 751 |
2 |
| Punch Flybrid Limited | 23 |
2 |
| Seojin Automotive Co.,Ltd. | 4 |
2 |
| Aisin Corporation | 1423 |
2 |
| Gel Sciences Group, LLC | 6 |
2 |
| Covidien LP | 10660 |
1 |
| Other owners | 50 |