- 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: 336
10-year publication summary
|
31
|
50
|
47
|
60
|
42
|
33
|
13
|
12
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konrad Prefab LLC | 14 |
11 |
| First Dome Corporation | 77 |
8 |
| Hamilton Sundstrand Corporation | 4923 |
7 |
| Honda Motor Co., Ltd. | 25771 |
5 |
| The Boeing Company | 20131 |
5 |
| Blue Leaf I.P., Inc. | 2795 |
5 |
| Bell Helicopter Textron Inc. | 1061 |
5 |
| Hunter Douglas Industries BV | 282 |
5 |
| Deere & Company | 7671 |
4 |
| NTN Corporation | 4985 |
4 |
| Hydro-Gear Limited Partnership | 343 |
4 |
| Moog Inc. | 426 |
4 |
| Squse Inc. | 8 |
4 |
| Covidien LP | 10666 |
3 |
| Canon Inc. | 40509 |
3 |
| Hyundai Motor Company | 22369 |
3 |
| Yamaha Motor Co., Ltd. | 2827 |
3 |
| Apptronik, Inc. | 36 |
3 |
| BorgWarner Inc. | 2605 |
3 |
| Intuitive Surgical Operations, Inc. | 4103 |
3 |
| Other owners | 244 |