- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/32 - Cup springs; Dished disc springs
Patent holdings for IPC class F16F 1/32
Total number of patents in this class: 227
10-year publication summary
|
14
|
8
|
14
|
17
|
29
|
20
|
25
|
15
|
8
|
3
|
| 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 |
44 |
| Robert Bosch GmbH | 40953 |
8 |
| Toyota Motor Corporation | 28582 |
5 |
| BorgWarner Inc. | 2604 |
5 |
| Chuo Hatsujo Kabushiki Kaisha | 124 |
5 |
| Mitsubishi Steel Mfg. Co., Ltd. | 137 |
4 |
| Mueller International, LLC | 694 |
4 |
| ThyssenKrupp Presta AG | 1069 |
4 |
| Illinois Tool Works Inc. | 11152 |
3 |
| Raytheon Company | 8535 |
3 |
| ZF Friedrichshafen AG | 6820 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| SCHERDEL INNOTEC Forschungs-und Entwicklungs-GmbH | 28 |
3 |
| ThyssenKrupp AG | 3086 |
3 |
| Valeo Embrayages | 590 |
3 |
| Safran Landing Systems UK Ltd | 165 |
3 |
| 1158990 B.C. Ltd | 14 |
3 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| BORRELLY Spring Washers | 2 |
2 |
| Other owners | 115 |