- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating partsElements essential to the use of such members
Patent holdings for IPC class F16H 25/22
Total number of patents in this class: 1694
10-year publication summary
|
166
|
152
|
169
|
152
|
126
|
113
|
106
|
127
|
96
|
103
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2852 |
188 |
| Schaeffler Technologies AG & Co. KG | 11233 |
168 |
| NTN Corporation | 4935 |
128 |
| THK Co., Ltd. | 1187 |
95 |
| Hiwin Technologies Corp. | 326 |
56 |
| JTEKT Corporation | 2637 |
46 |
| Hitachi Astemo, Ltd. | 6434 |
24 |
| Goodrich Actuation Systems Limited | 262 |
22 |
| Hitachi Automotive Systems, Ltd. | 3954 |
21 |
| HL Mando Corporation | 1875 |
21 |
| Steering Solutions IP Holding Corporation | 989 |
19 |
| ThyssenKrupp Presta AG | 1115 |
18 |
| SFS Group International AG | 191 |
16 |
| Goodrich Corporation | 2182 |
15 |
| Aktiebolaget SKF | 3163 |
14 |
| The Boeing Company | 20217 |
13 |
| Robert Bosch GmbH | 44398 |
13 |
| Kuroda Precision Industries Ltd. | 114 |
13 |
| Umbragroup S.p.A. | 34 |
11 |
| Hamilton Sundstrand Corporation | 5013 |
10 |
| Other owners | 783 |