- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16D - Couplings for transmitting rotationclutchesbrakes
- F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
Patent holdings for IPC class F16D 3/223
Total number of patents in this class: 494
10-year publication summary
|
41
|
40
|
42
|
33
|
27
|
18
|
23
|
21
|
29
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4915 |
117 |
| Dana Automotive Systems Group, LLC | 477 |
36 |
| GKN Driveline International GmbH | 145 |
28 |
| Hyundai Wia Corporation | 242 |
22 |
| GKN Driveline Deutschland GmbH | 37 |
20 |
| Steering Solutions IP Holding Corporation | 976 |
14 |
| Neapco Intellectual Property Holdings, LLC | 121 |
14 |
| GKN Driveline North America, Inc. | 102 |
13 |
| Erae AMS Co., Ltd. | 60 |
13 |
| Hitachi Astemo, Ltd. | 6407 |
13 |
| JTEKT Corporation | 2593 |
12 |
| Hansae Mobility Co., Ltd. | 48 |
12 |
| Neumayer Tekfor Holding GmbH | 69 |
9 |
| Neumayer Tekfor Engineering GmbH | 50 |
8 |
| Hyundai Motor Company | 24703 |
7 |
| Ifa-technologies GmbH | 21 |
7 |
| ThyssenKrupp Steel Europe AG | 992 |
7 |
| Honda Motor Co., Ltd. | 26034 |
6 |
| Volkswagen AG | 7460 |
6 |
| Arctic Cat Inc. | 472 |
5 |
| Other owners | 125 |