- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
Patent holdings for IPC class F16F 1/38
Total number of patents in this class: 753
10-year publication summary
|
63
|
69
|
78
|
53
|
32
|
46
|
36
|
37
|
33
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Riko Company Limited | 1139 |
72 |
| Prospira Corporation | 192 |
36 |
| Bridgestone Corporation | 7259 |
30 |
| Hendrickson USA, L.L.C. | 598 |
25 |
| Honda Motor Co., Ltd. | 26025 |
21 |
| Hyundai Motor Company | 24653 |
21 |
| ZF Friedrichshafen AG | 7238 |
16 |
| BOGE Elastmetall GmbH | 64 |
16 |
| Tokai Rubber Industries, Ltd. | 162 |
14 |
| Kia Motors Corporation | 7718 |
13 |
| ContiTech Vibration Control GmbH | 111 |
12 |
| Vibracoustic GmbH | 70 |
12 |
| Vibracoustic SE | 123 |
12 |
| The Pullman Company LLC | 60 |
12 |
| Bayerische Motoren Werke Aktiengesellschaft | 15272 |
11 |
| Toyota Motor Corporation | 35772 |
10 |
| Yamashita Rubber Co., Ltd. | 41 |
10 |
| Yamashita Rubber Kabushiki Kaisha | 49 |
10 |
| Ford Global Technologies, LLC | 21509 |
9 |
| Schaeffler Technologies AG & Co. KG | 10968 |
9 |
| Other owners | 382 |