- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- 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: 193
10-year publication summary
|
23
|
28
|
20
|
15
|
20
|
17
|
15
|
6
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2719 |
8 |
| KWD Kupplungswerk Dresden GmbH | 15 |
8 |
| Flender GmbH | 338 |
8 |
| Intuitive Surgical Operations, Inc. | 3616 |
7 |
| Airbus Operations Limited | 1157 |
5 |
| Nissan Motor Co., Ltd. | 12249 |
5 |
| Dana Automotive Systems Group, LLC | 395 |
5 |
| Exponential Technologies, Inc. | 37 |
5 |
| Siemens AG | 24990 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Primetals Technologies Japan, Ltd. | 143 |
4 |
| NTN Corporation | 5008 |
3 |
| Punk Couplings Limited | 12 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
3 |
| New Ventures Marketing, LLC | 4 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
| Other owners | 108 |