- 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: 1593
10-year publication summary
|
161
|
164
|
149
|
163
|
146
|
120
|
111
|
105
|
117
|
91
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2812 |
165 |
| Schaeffler Technologies AG & Co. KG | 10376 |
156 |
| NTN Corporation | 4960 |
129 |
| THK Co., Ltd. | 1190 |
100 |
| Hiwin Technologies Corp. | 330 |
56 |
| JTEKT Corporation | 2529 |
44 |
| Hitachi Astemo, Ltd. | 6378 |
24 |
| Goodrich Actuation Systems Limited | 251 |
22 |
| Hitachi Automotive Systems, Ltd. | 3955 |
21 |
| Steering Solutions IP Holding Corporation | 948 |
19 |
| HL Mando Corporation | 1694 |
19 |
| ThyssenKrupp Presta AG | 1100 |
18 |
| Goodrich Corporation | 2187 |
15 |
| Aktiebolaget SKF | 3023 |
14 |
| The Boeing Company | 20052 |
13 |
| Robert Bosch GmbH | 43114 |
13 |
| SFS Group International AG | 173 |
13 |
| Kuroda Precision Industries Ltd. | 112 |
11 |
| Umbragroup S.p.A. | 34 |
11 |
| Hamilton Sundstrand Corporation | 4961 |
10 |
| Other owners | 720 |