- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means 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: 142
10-year publication summary
|
19
|
13
|
20
|
22
|
26
|
9
|
8
|
10
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exedy Corporation | 488 |
21 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
11 |
| Aisin AW Co., Ltd. | 2430 |
9 |
| Aisin AW Industries Co., Ltd. | 63 |
8 |
| Toyota Motor Corporation | 28582 |
7 |
| Heptron Power Transmission Limited | 6 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Valeo Embrayages | 590 |
4 |
| Infiniforce, Inc. | 7 |
3 |
| KineticCore Solutions LLC | 6 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| American Axle & Manufacturing, Inc. | 649 |
2 |
| BorgWarner Inc. | 2604 |
2 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
2 |
| Punch Flybrid Limited | 21 |
2 |
| Seojin Automotive Co.,Ltd. | 4 |
2 |
| Aisin Corporation | 1164 |
2 |
| Gel Sciences Group, LLC | 7 |
2 |
| Covidien LP | 10647 |
1 |
| Other owners | 48 |