- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16H - Gearing
- F16H 61/421 - Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
Patent holdings for IPC class F16H 61/421
Total number of patents in this class: 104
10-year publication summary
|
11
|
8
|
7
|
6
|
6
|
4
|
6
|
7
|
8
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4265 |
15 |
| Kubota Corporation | 3054 |
11 |
| Robert Bosch GmbH | 40953 |
10 |
| ZF Friedrichshafen AG | 6820 |
6 |
| Doosan Bobcat North America Inc. | 508 |
5 |
| Deere & Company | 6845 |
4 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| Blue Leaf I.P., Inc. | 2758 |
3 |
| Clark Equipment Company | 335 |
3 |
| Danfoss Power Solutions GmbH & Co. OHG | 70 |
3 |
| Dana Italia S.r.l. | 100 |
3 |
| AGCO International GmbH | 504 |
2 |
| Danfoss Power Solutions Inc. | 116 |
2 |
| Federal Signal Corporation | 213 |
2 |
| Raven Industries, Inc. | 262 |
2 |
| TCM Corporation | 25 |
2 |
| Volvo Construction Equipment AB | 1172 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Hyundai Kefico Corporation | 205 |
1 |
| Other owners | 21 |