- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/371 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by inserts or auxiliary extension elements, e.g. for rigidification
Patent holdings for IPC class F16F 1/371
Total number of patents in this class: 101
10-year publication summary
|
5
|
10
|
16
|
7
|
8
|
10
|
3
|
9
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Riko Company Limited | 1182 |
6 |
| BASF SE | 21339 |
5 |
| Toyota Motor Corporation | 36544 |
5 |
| NOK Corporation | 2350 |
5 |
| Robert Bosch GmbH | 44445 |
4 |
| BASF Polyurethanes GmbH a legal entity | 146 |
4 |
| Kurashiki Kako Co., Ltd. | 22 |
3 |
| Toyo Tire Corporation | 1064 |
3 |
| Vibracoustic SE | 131 |
3 |
| Prospira Corporation | 194 |
3 |
| Hyundai Motor Company | 25253 |
2 |
| Kia Motors Corporation | 7713 |
2 |
| GMT Gummi-metall-technik GmbH | 17 |
2 |
| Hendrickson USA, L.L.C. | 597 |
2 |
| Kiekert Aktiengesellschaft | 1644 |
2 |
| PLX, Inc. | 66 |
2 |
| Sueddeutsche Gelenkscheibenfabrik GmbH & Co. KG | 36 |
2 |
| Turtle Shell Protective Systems LLC | 5 |
2 |
| Yamashita Rubber Co., Ltd. | 41 |
2 |
| Accelerated Research LLC | 2 |
2 |
| Other owners | 40 |