- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16H - Gearing
- F16H 1/22 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with arrangements for dividing torque between two or more intermediate shafts
Patent holdings for IPC class F16H 1/22
Total number of patents in this class: 429
10-year publication summary
|
27
|
47
|
43
|
70
|
61
|
54
|
47
|
38
|
38
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Transmission Systems | 260 |
18 |
| Pratt & Whitney Canada Corp. | 4215 |
14 |
| Rtx Corporation | 8674 |
12 |
| Honeywell International Inc. | 13799 |
9 |
| Robert Bosch GmbH | 40953 |
7 |
| Saudi Arabian Oil Company | 11322 |
7 |
| Compagnie Engrenages et Reducteurs - Messian- Durand | 15 |
6 |
| Hydro-Gear Limited Partnership | 355 |
5 |
| Nabtesco Corporation | 871 |
5 |
| SAF-HOLLAND, Inc. | 226 |
5 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
5 |
| Brother Industries, Ltd. | 13000 |
4 |
| ZF Friedrichshafen AG | 6820 |
4 |
| BYD Company Limited | 3700 |
4 |
| MCi (Mirror Controls International) Netherlands B.V. | 149 |
4 |
| Nidec Corporation | 2579 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
4 |
| Nanoxplore Inc. | 43 |
4 |
| RENK GmbH | 94 |
4 |
| General Electric Company | 18133 |
3 |
| Other owners | 301 |