- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16H - Gearing
- F16H 21/44 - Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for conveying or interconverting oscillating or reciprocating motions
Patent holdings for IPC class F16H 21/44
Total number of patents in this class: 343
10-year publication summary
|
52
|
47
|
60
|
43
|
33
|
13
|
12
|
11
|
7
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konrad Prefab LLC | 14 |
11 |
| First Dome Corporation | 76 |
8 |
| Hamilton Sundstrand Corporation | 5011 |
7 |
| Honda Motor Co., Ltd. | 26309 |
5 |
| The Boeing Company | 20193 |
5 |
| Blue Leaf I.P., Inc. | 2930 |
5 |
| Bell Helicopter Textron Inc. | 956 |
5 |
| Hunter Douglas Industries BV | 259 |
5 |
| Deere & Company | 8183 |
4 |
| NTN Corporation | 4925 |
4 |
| Hydro-Gear Limited Partnership | 329 |
4 |
| Moog Inc. | 432 |
4 |
| Squse Inc. | 6 |
4 |
| Covidien LP | 10704 |
3 |
| Canon Inc. | 44285 |
3 |
| Hyundai Motor Company | 24951 |
3 |
| Yamaha Motor Co., Ltd. | 2846 |
3 |
| Apptronik, Inc. | 50 |
3 |
| BorgWarner Inc. | 2586 |
3 |
| Fasteners for Retail, Inc. | 382 |
3 |
| Other owners | 251 |