- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/44 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction characterised by the mode of stressing loaded mainly in compression
Patent holdings for IPC class F16F 1/44
Total number of patents in this class: 129
10-year publication summary
|
6
|
9
|
17
|
15
|
7
|
4
|
4
|
5
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Silgan Dispensing Systems Corporation | 325 |
13 |
| Hendrickson USA, L.L.C. | 597 |
7 |
| NOK Corporation | 2351 |
6 |
| Sumitomo Riko Company Limited | 1182 |
5 |
| Toyota Motor Corporation | 36465 |
3 |
| The Boeing Company | 20232 |
3 |
| ThyssenKrupp AG | 3337 |
3 |
| BASF SE | 21334 |
2 |
| ASML Netherlands B.V. | 8049 |
2 |
| JTEKT Corporation | 2634 |
2 |
| Amsted Rail Company, Inc. | 411 |
2 |
| Firestone Industrial Products Company, LLC | 326 |
2 |
| Uhde High Pressure Technologies GmbH | 34 |
2 |
| PSA Automobiles SA | 2064 |
2 |
| RÖMER Fördertechnik GmbH | 7 |
2 |
| Prospira Corporation | 194 |
2 |
| HL Mando Corporation | 1881 |
2 |
| Honda Motor Co., Ltd. | 26684 |
1 |
| Deere & Company | 8246 |
1 |
| Ricoh Company, Ltd. | 13421 |
1 |
| Other owners | 66 |