- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/40 - Springs 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: 154
10-year publication summary
|
16
|
19
|
13
|
14
|
14
|
10
|
4
|
7
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oiles Corporation | 515 |
18 |
| Wabtec Holding Corp. | 407 |
11 |
| Hendrickson USA, L.L.C. | 603 |
8 |
| Lord Corporation | 484 |
8 |
| Bridgestone Corporation | 7067 |
6 |
| Aktiebolaget SKF | 2700 |
5 |
| The Boeing Company | 19843 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| AVIC Beijing Institute of Aeronautical Materials | 8 |
3 |
| Bell Helicopter Textron Inc. | 1122 |
3 |
| Komatsu Ltd. | 4265 |
2 |
| A. Stucki Co. | 48 |
2 |
| Airbus Defence and Space SAS | 502 |
2 |
| Firestone Industrial Products Company, LLC | 316 |
2 |
| FM Energie GmbH & Co.KG | 21 |
2 |
| GMT Gummi-metall-technik GmbH | 29 |
2 |
| Miner Elastomer Products Corporation | 20 |
2 |
| Sumitomo Riko Company Limited | 962 |
2 |
| Taylor Devices, Inc. | 14 |
2 |
| Textron Innovations Inc. | 2138 |
2 |
| Other owners | 66 |