- 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: 462
10-year publication summary
|
44
|
41
|
40
|
42
|
33
|
27
|
18
|
18
|
16
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4984 |
111 |
| Dana Automotive Systems Group, LLC | 429 |
35 |
| GKN Driveline International GmbH | 159 |
29 |
| GKN Driveline Deutschland GmbH | 40 |
20 |
| Hyundai Wia Corporation | 147 |
17 |
| GKN Driveline North America, Inc. | 117 |
15 |
| Erae AMS Co., Ltd. | 88 |
14 |
| Steering Solutions IP Holding Corporation | 912 |
13 |
| Neapco Intellectual Property Holdings, LLC | 117 |
13 |
| Hitachi Astemo, Ltd. | 6382 |
12 |
| JTEKT Corporation | 2492 |
9 |
| Neumayer Tekfor Holding GmbH | 76 |
9 |
| Shaft-Form-Engineering GmbH | 17 |
9 |
| Ifa-technologies GmbH | 21 |
7 |
| Volkswagen AG | 7319 |
7 |
| Neumayer Tekfor Engineering GmbH | 52 |
7 |
| Honda Motor Co., Ltd. | 25166 |
6 |
| Hyundai Motor Company | 21852 |
6 |
| ThyssenKrupp Steel Europe AG | 952 |
6 |
| Arctic Cat Inc. | 404 |
5 |
| Other owners | 112 |