- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 9/12 - Devices with one or more rotary vanes turning in the fluid, any throttling effect being immaterial
Patent holdings for IPC class F16F 9/12
Total number of patents in this class: 180
10-year publication summary
|
10
|
17
|
21
|
15
|
14
|
15
|
12
|
5
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nifco Inc. | 1103 |
28 |
| Illinois Tool Works Inc. | 11152 |
13 |
| Piolax Inc. | 388 |
8 |
| Simotec Co., Ltd. | 23 |
8 |
| Inventus Engineering GmbH | 176 |
7 |
| Alps Alpine Co., Ltd. | 1831 |
7 |
| Nien Made Enterprise Co., Ltd. | 142 |
5 |
| THK Co., Ltd. | 1206 |
5 |
| Audi AG | 7153 |
4 |
| Fulterer Gesellschaft m.b.H. | 27 |
4 |
| Oiles Corporation | 515 |
4 |
| TOK, Inc. | 45 |
4 |
| Alps Electric Co., Ltd. | 851 |
3 |
| Cultraro Automazione Engineering S.r.l. | 13 |
3 |
| TMT Machinery, Inc. | 41 |
3 |
| ZF Friedrichshafen AG | 6820 |
2 |
| Omron Corporation | 6968 |
2 |
| Aseismic Devices Co., Ltd. | 5 |
2 |
| KYB Corporation | 1278 |
2 |
| Liebherr Machines Bulle SA | 43 |
2 |
| Other owners | 64 |