- 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: 99
10-year publication summary
|
10
|
8
|
12
|
8
|
10
|
5
|
6
|
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. | 2820 |
17 |
| Hackforth GmbH | 69 |
7 |
| Dodge Industrial, Inc. | 135 |
4 |
| Hamilton Sundstrand Corporation | 5013 |
3 |
| Goodrich Corporation | 2178 |
3 |
| Mitsuboshi Belting Ltd. | 316 |
3 |
| Woodward, Inc. | 670 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47015 |
2 |
| Antares Acoplamentos Ltda. | 5 |
2 |
| Eagle Industry Co., Ltd. | 1163 |
2 |
| Gates Corporation | 1147 |
2 |
| GKN Stromag AG | 11 |
2 |
| Leonardo S.p.A. | 685 |
2 |
| Politecnico di Milano | 892 |
2 |
| TSMC Nanjing Company, Limited | 168 |
2 |
| Geislinger Group GmbH | 43 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9004 |
1 |
| Denso Corporation | 25115 |
1 |
| Blue Leaf I.P., Inc. | 2764 |
1 |
| Baldor Electric Company | 48 |
1 |
| Other owners | 37 |