- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16D - Couplings for transmitting rotation; clutches; brakes
- F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
Patent holdings for IPC class F16D 41/08
Total number of patents in this class: 421
10-year publication summary
|
40
|
32
|
38
|
40
|
44
|
42
|
27
|
21
|
26
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
119 |
| Schaeffler Technologies AG & Co. KG | 8880 |
47 |
| NSK Ltd. | 2719 |
20 |
| Tsubakimoto Chain Co. | 588 |
14 |
| GM Global Technology Operations LLC | 13620 |
11 |
| Shiroki Corporation | 277 |
11 |
| BorgWarner Inc. | 2604 |
10 |
| Magna Powertrain Inc. | 120 |
9 |
| Means Industries, Inc. | 179 |
8 |
| Schaeffler KG | 960 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
8 |
| Honda Motor Co., Ltd. | 24537 |
7 |
| Toyota Motor Corporation | 28582 |
7 |
| The Hilliard Corporation | 47 |
7 |
| Univance Corporation | 114 |
7 |
| Allison Transmission, Inc. | 833 |
5 |
| Namiki Seimitsu Houseki Kabushiki Kaisha | 171 |
5 |
| Timken US Corporation | 28 |
5 |
| TS Tech Co., Ltd. | 1388 |
5 |
| Robert Bosch GmbH | 40953 |
4 |
| Other owners | 104 |