- 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: 128
10-year publication summary
|
9
|
6
|
9
|
17
|
15
|
7
|
4
|
4
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Silgan Dispensing Systems Corporation | 324 |
13 |
| Hendrickson USA, L.L.C. | 597 |
7 |
| NOK Corporation | 2216 |
6 |
| Sumitomo Riko Company Limited | 1044 |
5 |
| Toyota Motor Corporation | 31565 |
3 |
| The Boeing Company | 20025 |
3 |
| ThyssenKrupp AG | 3271 |
3 |
| BASF SE | 20803 |
2 |
| JTEKT Corporation | 2490 |
2 |
| Amsted Rail Company, Inc. | 431 |
2 |
| Firestone Industrial Products Company, LLC | 331 |
2 |
| Uhde High Pressure Technologies GmbH | 31 |
2 |
| PSA Automobiles SA | 2068 |
2 |
| Prospira Corporation | 175 |
2 |
| HL Mando Corporation | 1613 |
2 |
| Honda Motor Co., Ltd. | 25157 |
1 |
| Deere & Company | 7536 |
1 |
| Ricoh Company, Ltd. | 13209 |
1 |
| GM Global Technology Operations LLC | 14910 |
1 |
| Denso Corporation | 24146 |
1 |
| Other owners | 67 |