- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16H - Gearing
- F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
Patent holdings for IPC class F16H 25/22
Total number of patents in this class: 1524
10-year publication summary
|
163
|
166
|
152
|
169
|
152
|
126
|
112
|
105
|
113
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 9350 |
147 |
| NSK Ltd. | 2728 |
144 |
| NTN Corporation | 4980 |
122 |
| THK Co., Ltd. | 1218 |
115 |
| Hiwin Technologies Corp. | 335 |
57 |
| JTEKT Corporation | 2431 |
41 |
| Hitachi Astemo, Ltd. | 6034 |
24 |
| Goodrich Actuation Systems Limited | 236 |
22 |
| Hitachi Automotive Systems, Ltd. | 3962 |
21 |
| Steering Solutions IP Holding Corporation | 877 |
18 |
| ThyssenKrupp Presta AG | 1090 |
18 |
| HL Mando Corporation | 1507 |
18 |
| Aktiebolaget SKF | 2832 |
15 |
| Goodrich Corporation | 2088 |
15 |
| The Boeing Company | 19900 |
14 |
| SFS Group International AG | 163 |
13 |
| Robert Bosch GmbH | 41695 |
11 |
| Hamilton Sundstrand Corporation | 4712 |
10 |
| Kuroda Precision Industries Ltd. | 106 |
10 |
| Umbragroup S.p.A. | 25 |
10 |
| Other owners | 679 |