- 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: 1570
10-year publication summary
|
161
|
164
|
149
|
163
|
146
|
120
|
111
|
105
|
112
|
70
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2797 |
158 |
| Schaeffler Technologies AG & Co. KG | 10017 |
154 |
| NTN Corporation | 4985 |
128 |
| THK Co., Ltd. | 1192 |
102 |
| Hiwin Technologies Corp. | 331 |
56 |
| JTEKT Corporation | 2515 |
41 |
| Hitachi Astemo, Ltd. | 6381 |
24 |
| Goodrich Actuation Systems Limited | 249 |
22 |
| Hitachi Automotive Systems, Ltd. | 3955 |
21 |
| Steering Solutions IP Holding Corporation | 931 |
19 |
| HL Mando Corporation | 1648 |
19 |
| ThyssenKrupp Presta AG | 1108 |
18 |
| Goodrich Corporation | 2137 |
15 |
| Aktiebolaget SKF | 2986 |
14 |
| The Boeing Company | 20131 |
13 |
| Robert Bosch GmbH | 42815 |
13 |
| SFS Group International AG | 171 |
13 |
| Kuroda Precision Industries Ltd. | 112 |
11 |
| Hamilton Sundstrand Corporation | 4923 |
10 |
| Umbragroup S.p.A. | 33 |
10 |
| Other owners | 709 |