- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 3/02 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
Patent holdings for IPC class F16F 3/02
Total number of patents in this class: 204
10-year publication summary
|
15
|
12
|
20
|
29
|
28
|
22
|
9
|
16
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Raytheon Company | 8535 |
10 |
| HRL Laboratories, LLC | 1588 |
10 |
| Mitsubishi Steel Mfg. Co., Ltd. | 137 |
10 |
| NHK Spring Co., Ltd. | 1657 |
9 |
| Nichias Corporation | 386 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| Dreamwell, Ltd. | 401 |
4 |
| Rassini Suspensiones, S.A. de C.V. | 15 |
4 |
| Sealy Technology LLC | 364 |
3 |
| ThyssenKrupp Federn und Stabilisatoren GmbH | 46 |
3 |
| Composite Technology Concepts, LLC | 4 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| BAE Systems Hägglunds Aktiebolag | 205 |
2 |
| Burckhardt Compression AG | 116 |
2 |
| Corfac2 S.A. | 2 |
2 |
| Other owners | 121 |