- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/34 - Ring springs, i.e. annular bodies deformed radially due to axial load
Patent holdings for IPC class F16F 1/34
Total number of patents in this class: 50
10-year publication summary
|
6
|
2
|
1
|
3
|
3
|
4
|
1
|
6
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NHK Spring Co., Ltd. | 1657 |
4 |
| Schaeffler Technologies AG & Co. KG | 8880 |
3 |
| Rotor Clip Company, Inc. | 33 |
3 |
| BAL Seal Engineering, LLC | 106 |
3 |
| Illinois Tool Works Inc. | 11152 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| General Electric Company | 18133 |
1 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| Deere & Company | 6845 |
1 |
| Caterpillar Inc. | 8877 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| AB SKF | 193 |
1 |
| Airbus Defence and Space, S.A. | 88 |
1 |
| Aktiebolaget SKF | 2700 |
1 |
| BAL Seal Engineering Co., Inc. | 35 |
1 |
| Big Tyre Pty Ltd | 2 |
1 |
| BJ Tool Services Ltd. | 4 |
1 |
| Brigham Young University | 580 |
1 |
| Cross Manufacturing Company (1938) Limited | 28 |
1 |
| Other owners | 19 |