- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/74 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts the intermediate member or members being made of rubber or other flexible material
Patent holdings for IPC class F16D 3/74
Total number of patents in this class: 97
10-year publication summary
|
10
|
8
|
12
|
8
|
11
|
6
|
7
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2834 |
17 |
| Hackforth GmbH | 69 |
6 |
| Dodge Industrial, Inc. | 139 |
4 |
| Hamilton Sundstrand Corporation | 5015 |
3 |
| Goodrich Corporation | 2182 |
3 |
| Mitsuboshi Belting Ltd. | 322 |
3 |
| Woodward, Inc. | 674 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
2 |
| Antares Acoplamentos Ltda. | 5 |
2 |
| Eagle Industry Co., Ltd. | 1177 |
2 |
| GKN Stromag AG | 11 |
2 |
| Leonardo S.p.A. | 699 |
2 |
| Politecnico di Milano | 896 |
2 |
| TSMC Nanjing Company, Limited | 177 |
2 |
| Geislinger Group GmbH | 43 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
1 |
| Denso Corporation | 25534 |
1 |
| Blue Leaf I.P., Inc. | 2932 |
1 |
| Baldor Electric Company | 47 |
1 |
| Apex Brands, Inc. | 766 |
1 |
| Other owners | 37 |