- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16F - Springs; shock-absorbers; means for damping vibration
- F16F 3/00 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
Patent holdings for IPC class F16F 3/00
Total number of patents in this class: 73
10-year publication summary
|
6
|
8
|
4
|
8
|
10
|
3
|
2
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dreamwell, Ltd. | 401 |
8 |
| Hickory Springs Manufacturing Company | 53 |
4 |
| Toyota Motor Corporation | 28582 |
2 |
| Caterpillar Inc. | 8877 |
2 |
| Raytheon Company | 8535 |
2 |
| Ashley Furniture Industries, Inc. | 195 |
2 |
| Dalian University of Technology | 1387 |
2 |
| Green Refrigeration Equipment Engineering Research Center of Zhuhai GREE Co., Ltd. | 74 |
2 |
| ASSA ABLOY Fenestration, LLC | 141 |
2 |
| SNECMA S.A. | 1160 |
1 |
| Sanofi-Aventis Deutschland GmbH | 2738 |
1 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Airbus Operations S.L. | 511 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Nike, Inc. | 13075 |
1 |
| LG Innotek Co., Ltd. | 6758 |
1 |
| Tsinghua University | 5426 |
1 |
| Agro Holding GmbH | 27 |
1 |
| Barnes Group Inc. | 57 |
1 |
| Boston Engineering Corporation | 16 |
1 |
| Other owners | 36 |