- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16H - Gearing
- F16H 25/20 - Screw mechanisms
Patent holdings for IPC class F16H 25/20
Total number of patents in this class: 2344
10-year publication summary
|
171
|
212
|
277
|
268
|
284
|
322
|
203
|
145
|
124
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
144 |
| Linak A/S | 355 |
74 |
| Schaeffler Technologies AG & Co. KG | 8880 |
69 |
| Robert Bosch GmbH | 40953 |
52 |
| Timotion Technology Co., Ltd. | 225 |
42 |
| THK Co., Ltd. | 1206 |
37 |
| ZF Friedrichshafen AG | 6820 |
26 |
| NSK Ltd. | 2719 |
26 |
| Covidien LP | 10647 |
25 |
| Goodrich Actuation Systems Limited | 221 |
23 |
| Hamilton Sundstrand Corporation | 4525 |
22 |
| JTEKT Corporation | 2423 |
22 |
| Steering Solutions IP Holding Corporation | 847 |
21 |
| ThyssenKrupp Presta AG | 1069 |
20 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
19 |
| ThyssenKrupp AG | 3086 |
19 |
| Goodrich Actuation Systems SAS | 134 |
18 |
| HL Mando Corporation | 1310 |
18 |
| Aktiebolaget SKF | 2700 |
17 |
| Goodrich Corporation | 2081 |
16 |
| Other owners | 1634 |