- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/40 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction consisting of a stack of similar elements separated by non-elastic intermediate layers
Patent holdings for IPC class F16F 1/40
Total number of patents in this class: 149
10-year publication summary
|
13
|
13
|
12
|
10
|
4
|
6
|
5
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oiles Corporation | 509 |
18 |
| Wabtec Holding Corp. | 344 |
11 |
| Hendrickson USA, L.L.C. | 598 |
8 |
| Lord Corporation | 466 |
8 |
| Bridgestone Corporation | 7231 |
6 |
| Aktiebolaget SKF | 3067 |
5 |
| The Boeing Company | 20094 |
3 |
| Robert Bosch GmbH | 43554 |
3 |
| AVIC Beijing Institute of Aeronautical Materials | 8 |
3 |
| EFFBE GmbH | 14 |
3 |
| Komatsu Ltd. | 4661 |
2 |
| A. Stucki Co. | 73 |
2 |
| Airbus Defence and Space SAS | 580 |
2 |
| Bell Helicopter Textron Inc. | 973 |
2 |
| Firestone Industrial Products Company, LLC | 323 |
2 |
| FM Energie GmbH & Co.KG | 24 |
2 |
| GMT Gummi-metall-technik GmbH | 18 |
2 |
| Miner Elastomer Products Corporation | 16 |
2 |
| Sumitomo Riko Company Limited | 1112 |
2 |
| Taylor Devices, Inc. | 12 |
2 |
| Other owners | 61 |