- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/18 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts having slidably-interengaging teeth
Patent holdings for IPC class F16D 3/18
Total number of patents in this class: 194
10-year publication summary
|
28
|
20
|
15
|
20
|
17
|
15
|
8
|
13
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KWD Kupplungswerk Dresden GmbH | 18 |
10 |
| NSK Ltd. | 2766 |
8 |
| Flender GmbH | 358 |
8 |
| Intuitive Surgical Operations, Inc. | 3999 |
7 |
| Airbus Operations Limited | 1254 |
5 |
| Nissan Motor Co., Ltd. | 12381 |
5 |
| Dana Automotive Systems Group, LLC | 429 |
5 |
| Exponential Technologies, Inc. | 36 |
5 |
| Siemens AG | 24561 |
4 |
| Mitsubishi Electric Corporation | 45811 |
4 |
| Primetals Technologies Japan, Ltd. | 162 |
4 |
| New Ventures Marketing, LLC | 5 |
4 |
| NTN Corporation | 4974 |
3 |
| Punk Couplings Limited | 13 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3067 |
3 |
| Halliburton Energy Services, Inc. | 20749 |
2 |
| Koninklijke Philips N.V. | 24557 |
2 |
| Hyundai Motor Company | 21626 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6365 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14238 |
2 |
| Other owners | 106 |