- 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: 1486
10-year publication summary
|
128
|
163
|
166
|
152
|
169
|
151
|
125
|
108
|
105
|
41
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 8880 |
139 |
| NSK Ltd. | 2719 |
133 |
| THK Co., Ltd. | 1206 |
123 |
| NTN Corporation | 5008 |
122 |
| Hiwin Technologies Corp. | 336 |
57 |
| JTEKT Corporation | 2423 |
43 |
| Hitachi Astemo, Ltd. | 5618 |
26 |
| Goodrich Actuation Systems Limited | 221 |
23 |
| Hitachi Automotive Systems, Ltd. | 3970 |
21 |
| Steering Solutions IP Holding Corporation | 847 |
18 |
| ThyssenKrupp Presta AG | 1069 |
18 |
| HL Mando Corporation | 1310 |
18 |
| Aktiebolaget SKF | 2700 |
16 |
| Goodrich Corporation | 2081 |
15 |
| The Boeing Company | 19843 |
14 |
| Robert Bosch GmbH | 40953 |
11 |
| Continental Teves AG & Co. oHG | 2354 |
11 |
| SFS Group International AG | 149 |
11 |
| Hamilton Sundstrand Corporation | 4525 |
10 |
| Kuroda Precision Industries Ltd. | 103 |
10 |
| Other owners | 647 |