- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16F - Springsshock-absorbersmeans for damping vibration
- F16F 1/22 - Leaf springs with means for modifying the spring characteristic
Patent holdings for IPC class F16F 1/22
Total number of patents in this class: 51
10-year publication summary
|
3
|
10
|
8
|
3
|
1
|
4
|
4
|
1
|
7
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HRL Laboratories, LLC | 1626 |
4 |
| Marquette University | 172 |
4 |
| NHK Spring Co., Ltd. | 1946 |
4 |
| Stellantis Europe S.p.A. | 502 |
3 |
| Ford Global Technologies, LLC | 21329 |
2 |
| Raytheon Company | 8466 |
2 |
| Massachusetts Institute of Technology | 10202 |
2 |
| Rheinmetall Invent GmbH | 25 |
2 |
| General Electric Company | 13822 |
1 |
| Centre National de La Recherche Scientifique | 10899 |
1 |
| Kyocera Corporation | 14268 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15092 |
1 |
| Schaeffler Technologies AG & Co. KG | 10771 |
1 |
| Benteler Automobiltechnik GmbH | 303 |
1 |
| FM Energie GmbH & Co. KG | 21 |
1 |
| Fondazione Istituto Italiano di Tecnologia | 618 |
1 |
| Hendrickson Commercial Vehicle Systems Europe GmbH | 14 |
1 |
| Lord Corporation | 458 |
1 |
| Mitsubishi Steel Mfg. Co., Ltd. | 131 |
1 |
| Muhr und Bender KG | 90 |
1 |
| Other owners | 16 |