- 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: 1665
10-year publication summary
|
166
|
152
|
169
|
152
|
126
|
113
|
106
|
127
|
96
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2831 |
183 |
| Schaeffler Technologies AG & Co. KG | 10948 |
165 |
| NTN Corporation | 4915 |
126 |
| THK Co., Ltd. | 1196 |
98 |
| Hiwin Technologies Corp. | 331 |
56 |
| JTEKT Corporation | 2580 |
46 |
| Hitachi Astemo, Ltd. | 6410 |
24 |
| Goodrich Actuation Systems Limited | 260 |
22 |
| Hitachi Automotive Systems, Ltd. | 3954 |
21 |
| HL Mando Corporation | 1835 |
21 |
| Steering Solutions IP Holding Corporation | 976 |
19 |
| ThyssenKrupp Presta AG | 1107 |
18 |
| Goodrich Corporation | 2183 |
15 |
| SFS Group International AG | 191 |
15 |
| Aktiebolaget SKF | 3126 |
14 |
| The Boeing Company | 20160 |
13 |
| Robert Bosch GmbH | 44128 |
13 |
| Kuroda Precision Industries Ltd. | 113 |
12 |
| Umbragroup S.p.A. | 34 |
11 |
| Hamilton Sundstrand Corporation | 5016 |
10 |
| Other owners | 763 |