- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 1/14 - Torsion springs consisting of bars or tubes
Patent holdings for IPC class F16F 1/14
Total number of patents in this class: 116
10-year publication summary
|
10
|
11
|
18
|
12
|
16
|
8
|
5
|
10
|
3
|
2
|
| 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 |
26 |
| Mitsubishi Steel Mfg. Co., Ltd. | 137 |
8 |
| HRL Laboratories, LLC | 1588 |
5 |
| Koninklijke Philips N.V. | 22975 |
4 |
| Raytheon Company | 8535 |
4 |
| Scuola Superiore di Studi Universitari e di Perfezionamento Sant'anna | 141 |
4 |
| Steering Solutions IP Holding Corporation | 847 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
2 |
| Audi AG | 7153 |
2 |
| Delta Kogyo Co., Ltd. | 128 |
2 |
| Fox Factory, Inc. | 752 |
2 |
| Magnum Trailer and Equipment Inc. | 5 |
2 |
| Sunnybrook Health Sciences Centre | 144 |
2 |
| Sogefi Suspensions | 14 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Denso Corporation | 23338 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| Other owners | 42 |