- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- 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: 102
10-year publication summary
|
8
|
10
|
8
|
12
|
8
|
11
|
6
|
7
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2732 |
17 |
| Hackforth GmbH | 67 |
6 |
| Goodrich Corporation | 2087 |
4 |
| Dodge Industrial, Inc. | 137 |
4 |
| Hamilton Sundstrand Corporation | 4719 |
3 |
| Mitsuboshi Belting Ltd. | 311 |
3 |
| Woodward, Inc. | 628 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40539 |
2 |
| Eagle Industry Co., Ltd. | 1099 |
2 |
| Gates Corporation | 1181 |
2 |
| GKN Stromag AG | 11 |
2 |
| Leonardo S.p.A. | 655 |
2 |
| Oiles Corporation | 510 |
2 |
| Politecnico di Milano | 826 |
2 |
| TSMC Nanjing Company, Limited | 115 |
2 |
| Geislinger Group GmbH | 40 |
2 |
| Kohler Co. | 3921 |
1 |
| Denso Corporation | 23721 |
1 |
| Blue Leaf I.P., Inc. | 2828 |
1 |
| Other owners | 39 |