- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/42 - Springs made of material having high internal friction characterised by the mode of stressing
Patent holdings for IPC class F16F 1/42
Total number of patents in this class: 28
10-year publication summary
|
0
|
2
|
2
|
3
|
1
|
5
|
3
|
3
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danto Invention GmbH & Co. KG | 4 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| The Aerospace Corporation | 439 |
2 |
| KS Kolbenschmidt GmbH | 164 |
2 |
| Taylor Devices, Inc. | 14 |
2 |
| Technology from Ideas Limited | 12 |
2 |
| BAL Seal Engineering, LLC | 106 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| Airbus Operations S.A.S. | 2407 |
1 |
| Bridgestone Corporation | 7067 |
1 |
| Schaeffler Technologies AG & Co. KG | 8880 |
1 |
| Lord Corporation | 484 |
1 |
| Mecal Applied Mechanics B.V. | 4 |
1 |
| Quest USA Corp. | 38 |
1 |
| Somfy SAS | 178 |
1 |
| Pumpkin Mounts, LLC | 7 |
1 |
| Elite SA | 4 |
1 |
| DuPont Polymers, Inc. | 338 |
1 |
| Rheinmetall Invent GmbH | 15 |
1 |
| Shock-wbv Limited | 4 |
1 |
| Other owners | 0 |