- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/18 - Leaf springs
Patent holdings for IPC class F16F 1/18
Total number of patents in this class: 306
10-year publication summary
|
28
|
30
|
28
|
34
|
25
|
18
|
16
|
19
|
16
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NHK Spring Co., Ltd. | 1836 |
43 |
| Hendrickson Commercial Vehicle Systems Europe GmbH | 14 |
13 |
| Hendrickson USA, L.L.C. | 597 |
12 |
| Braun GmbH | 1341 |
10 |
| Mitsubishi Steel Mfg. Co., Ltd. | 130 |
8 |
| Raytheon Company | 8388 |
7 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3075 |
5 |
| Toppan Inc. | 753 |
5 |
| Nichias Corporation | 392 |
4 |
| Hyundai Motor Company | 21748 |
3 |
| ZF Friedrichshafen AG | 7135 |
3 |
| Kia Motors Corporation | 7758 |
3 |
| Chuo Hatsujo Kabushiki Kaisha | 128 |
3 |
| Koganei Corporation | 216 |
3 |
| Rassini Suspensiones, S.A. de C.V. | 14 |
3 |
| Alps Alpine Co., Ltd. | 2062 |
3 |
| Illinois Tool Works Inc. | 11409 |
2 |
| The Boeing Company | 20025 |
2 |
| NVIDIA Corporation | 7131 |
2 |
| Lockheed Martin Corporation | 3278 |
2 |
| Other owners | 170 |