- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/36 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction
Patent holdings for IPC class F16F 1/36
Total number of patents in this class: 545
10-year publication summary
|
46
|
52
|
65
|
56
|
42
|
44
|
40
|
30
|
21
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7237 |
37 |
| Sumitomo Riko Company Limited | 1055 |
28 |
| Honda Motor Co., Ltd. | 25301 |
24 |
| NOK Corporation | 2220 |
20 |
| Silgan Dispensing Systems Corporation | 322 |
13 |
| NHK Spring Co., Ltd. | 1864 |
12 |
| Tokai Rubber Industries, Ltd. | 163 |
10 |
| Illinois Tool Works Inc. | 11468 |
7 |
| Toyo Tire Corporation | 1005 |
7 |
| Prospira Corporation | 177 |
7 |
| Toyota Motor Corporation | 32331 |
6 |
| Toyo Tire & Rubber Co., Ltd. | 542 |
6 |
| Schaeffler Technologies AG & Co. KG | 9897 |
5 |
| Yamashita Rubber Co., Ltd. | 41 |
5 |
| Asset Guard Products Inc. | 37 |
5 |
| Three Smith Group Limited | 90 |
5 |
| NEXTracker LLC | 347 |
5 |
| BASF SE | 20915 |
4 |
| LG Electronics Inc. | 73210 |
4 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 626 |
4 |
| Other owners | 331 |