- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 15/134 - Wound springs
Patent holdings for IPC class F16F 15/134
Total number of patents in this class: 463
10-year publication summary
|
45
|
59
|
41
|
28
|
23
|
15
|
9
|
7
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Exedy Corporation | 504 |
86 |
| Aisin AW Co., Ltd. | 2246 |
67 |
| Schaeffler Technologies AG & Co. KG | 11213 |
64 |
| Valeo Embrayages | 695 |
30 |
| Aisin AW Industries Co., Ltd. | 63 |
27 |
| ZF Friedrichshafen AG | 7268 |
25 |
| Aisin Seiki Kabushiki Kaisha | 2149 |
20 |
| Aisin Corporation | 2009 |
16 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12318 |
12 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
11 |
| Kabushiki Kaisha F.C.C. | 427 |
7 |
| Unipres Corporation | 74 |
7 |
| BorgWarner Inc. | 2583 |
6 |
| Toyota Motor Corporation | 36327 |
5 |
| Seescan, Inc. | 567 |
5 |
| Yutaka Giken Co., Ltd. | 51 |
5 |
| Valeo Kapec Co., Ltd. | 200 |
5 |
| Hyundai Motor Company | 25034 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 15489 |
4 |
| Dayco Europe S.r.l. | 143 |
4 |
| Other owners | 53 |