- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/68 - 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 comprising elastic elements arranged between substantially-radial walls of both coupling parts the elements being made of rubber or similar material
Patent holdings for IPC class F16D 3/68
Total number of patents in this class: 194
10-year publication summary
|
17
|
14
|
19
|
16
|
13
|
7
|
11
|
13
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2793 |
17 |
| Oiles Corporation | 517 |
12 |
| Flender GmbH | 380 |
9 |
| HL Mando Corporation | 1642 |
7 |
| Denso Corporation | 24480 |
6 |
| Renold Public Limited Company | 48 |
5 |
| Honda Motor Co., Ltd. | 25499 |
4 |
| KWD Kupplungswerk Dresden GmbH | 18 |
4 |
| SEW-EURODRIVE GmbH & Co. KG | 1962 |
4 |
| Voith Patent GmbH | 2767 |
4 |
| Schaeffler Technologies AG & Co. KG | 9995 |
3 |
| JTEKT Corporation | 2522 |
3 |
| D-Box Technologies Inc. | 90 |
3 |
| Gates Corporation | 1157 |
3 |
| SGF Suddeutsche Gelenkscheibenfabrik GmbH & Co. KG | 30 |
3 |
| Showa Corporation | 188 |
3 |
| LG Electronics Inc. | 73578 |
2 |
| Toyota Motor Corporation | 32869 |
2 |
| BorgWarner Inc. | 2600 |
2 |
| Centa-Antriebe Kirschey GmbH | 39 |
2 |
| Other owners | 96 |